Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 25774.1-2023 |
Examination of welding materials Part 1: Preparation of mechanical properties specimens of steel, nickel and nickel alloy deposited metals {译} 焊接材料的检验 第1部分： 钢、镍及镍合金熔敷金属力学性能试样的制备 |
China National Standards Steel alloy |
 English PDF |
| GB/T 43409-2023 |
Metallographic examination of carbon steel and low alloy steel castings for general engineering and structural purposes {译} 一般工程与结构用碳钢及低合金钢铸件金相检验 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.92-2023 |
Steel and alloys - Determination of lanthanum, cerium, praseodymium, neodymium and samarium content - Inductively coupled plasma mass spectrometry {译} 钢铁及合金 镧、铈、镨、钕、钐含量的测定 电感耦合等离子体质谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 42661-2023 |
Corrosion of metals and alloys Test method for stress corrosion susceptibility of steel bars in simulated marine environment {译} 金属和合金的腐蚀 模拟海洋环境中钢筋应力腐蚀敏感性试验方法 |
China National Standards Steel alloy |
English PDF |
| GB/T 17899-2023 |
Corrosion of metals and alloys Potentiometric method for measuring the pitting corrosion potential of stainless steel in sodium chloride solution {译} 金属和合金的腐蚀 不锈钢在氯化钠溶液中点蚀电位的动电位测量方法 |
China National Standards Steel alloy |
English PDF |
| GB/T 713.4-2023 |
Steel plates and strips for pressure equipment Part 4: Nickel alloy steels with specified low temperature properties {译} 承压设备用钢板和钢带 第4部分：规定低温性能的镍合金钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 713.3-2023 |
Steel plates and strips for pressure equipment Part 3: Low alloy steels with specified low temperature properties {译} 承压设备用钢板和钢带 第3部分：规定低温性能的低合金钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 713.2-2023 |
Steel plates and strips for pressure equipment Part 2: Non-alloy and alloy steels with specified temperature properties {译} 承压设备用钢板和钢带 第2部分：规定温度性能的非合金钢和合金钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.54-2022 |
Iron, steel and alloys - Determination of nickel content - Flame atomic absorption spectrometry {译} 钢铁及合金 镍含量的测定 火焰原子吸收光谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.63-2022 |
Iron, steel and alloys - Determination of manganese content - Sodium (potassium) periodate spectrophotometric method {译} 钢铁及合金 锰含量的测定 高碘酸钠（钾）分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 20564.4-2022 |
High-strength cold-rolled steel sheets and strips for automobiles - Part 4: Low-alloy high-strength steels {译} 汽车用高强度冷连轧钢板及钢带 第4部分：低合金高强度钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 41157.1-2022 |
Fasteners for nuclear power plants—Part 1：Bolts, screws and studs made of alloy steel 核电厂用紧固件 第1部分：合金钢螺栓、螺钉和螺柱 |
China National Standards Steel alloy |
English PDF |
| GB/T 41157.2-2022 |
Fasteners for nuclear power plants—Part 2：Nuts made of carbon steel and alloy steel 核电厂用紧固件 第2部分：碳钢和合金钢螺母 |
China National Standards Steel alloy |
English PDF |
| GB/T 41162-2022 |
Alloy steel castings with special physical properties 特殊物理性能合金钢铸件 |
China National Standards Steel alloy |
English PDF |
| GB/T 41951-2022 |
Corrosion of metals and alloys - Test method for corrosion resistance of steel connecting parts and steel components for construction {译} 金属和合金的腐蚀 建筑用钢连接部件及钢构件耐腐蚀性能测试方法 |
China National Standards Steel alloy |
English PDF |
| GB/T 41950-2022 |
Metallic coatings Zinc and zinc alloy electroplating with hexavalent chromium-free treatment on steel {译} 金属覆盖层 钢铁上经过无六价铬处理的锌和锌合金电镀层 |
China National Standards Steel alloy |
English PDF |
| GB/T 41756-2022 |
Corrosion of metals and alloys - Method for assessing resistance to atmospheric corrosion of low alloy steels {译} 金属和合金的腐蚀 低合金钢耐大气腐蚀评估方法 |
China National Standards Steel alloy |
English PDF |
| GB/T 41982-2022 |
High-alloy heat-resistant steel thick-walled pipes and forgings for power stations General technical requirements {译} 电站用高合金耐热钢厚壁管道和锻件 通用技术条件 |
China National Standards Steel alloy |
English PDF |
| GB/T 40393-2021 |
Corrosion of metals and alloys—Accelerated corrosion test for intergranular corrosion susceptibility of austenitic stainless steels 金属和合金的腐蚀 奥氏体不锈钢晶间腐蚀敏感性加速腐蚀试验方法 |
China National Standards Steel alloy |
English PDF |
| GB/T 40342-2021 |
Method for determination of aluminum content in hot dipped zinc-aluminum alloy coating on steel wire 钢丝热镀锌铝合金镀层中铝含量的测定 |
China National Standards Steel alloy |
English PDF |
| GB/T 40341-2021 |
High strength and toughness alloy structure steel bars for deep sea oil field drilling and exploiting 深海油田钻采用高强韧合金结构钢棒 |
China National Standards Steel alloy |
English PDF |
| GB/T 40314-2021 |
Corrosion of metals and alloys—Crevice corrosion formers with disc springs for flat specimens or tubes made from stainless steel 金属和合金的腐蚀 适用于不锈钢平板或管状试样的碟形弹簧缝隙腐蚀构型 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.91-2021 |
Iron, steel and alloy—Determination of copper—2,2’-Biquinoline spectrophotometric method 钢铁及合金 铜含量的测定 2，2'-联喹啉分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.90-2021 |
Iron, steel and alloy—Determination of silicon content—Inductively coupled plasma atomic emission spectrometric method 钢铁及合金 硅含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 12773-2021 |
Valve steel and superalloy bars for internal combustion engines 内燃机气阀用钢及合金棒材 |
China National Standards Steel alloy |
English PDF |
| GB/T 41111-2021 |
Rods for gas welding of non-alloy and creep-resisting steels 气焊用非合金钢及热强钢填充丝 |
China National Standards Steel alloy |
English PDF |
| GB/T 40883-2021 |
Microalloyed steel forgings -- General specification 微合金钢锻件 通用技术条件 |
China National Standards Steel alloy |
English PDF |
| GB/T 40732-2021 |
Non-destructive testing of welds—Ultrasonic testing—Testing of welds in austenitic steels and nickel-based alloys 焊缝无损检测 超声检测 奥氏体钢和镍基合金焊缝检测 |
China National Standards Steel alloy |
English PDF |
| GB/T 40802-2021 |
Carbon and low alloy cast steels for general applications 通用铸造碳钢和低合金钢铸件 |
China National Standards Steel alloy |
English PDF |
| GB/T 39534-2020 |
Corrosion of metals and alloys—Method for determination of the uniform corrosion rate of stainless steels and nickel based alloys in liquids 金属和合金的腐蚀 液体中不锈钢和镍基合金均匀腐蚀速率测定方法 |
China National Standards Steel alloy |
English PDF |
| GB/T 39154-2020 |
Corrosion of metals and alloys—Cathodic protection of steel in concrete 金属和合金的腐蚀 混凝土用钢筋的阴极保护 |
China National Standards Steel alloy |
English PDF |
| GB/T 24242.1-2020 |
Non-alloy steel wire rod for conversion to wire—Part 1：General requirements 制丝用非合金钢盘条 第1部分：一般要求 |
China National Standards Steel alloy |
English PDF |
| GB/T 24242.2-2020 |
Non-alloy steel wire rod for conversion to wire —Part 2：Specific requirements for general purpose wire rod 制丝用非合金钢盘条 第2部分:一般用途盘条 |
China National Standards Steel alloy |
English PDF |
| GB/T 24242.4-2020 |
Non-alloy steel wire rod for conversion to wire —Part 4：Specific requirements for special purpose wire rod 制丝用非合金钢盘条 第4部分：特殊用途盘条 |
China National Standards Steel alloy |
English PDF |
| GB/T 15675-2020 |
Continuously electrolytically zinc/zinc-nickel alloy coated steel sheet and strip 连续电镀锌、锌镍合金镀层钢板及钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 3082-2020 |
Galvanized or zinc-aluminum alloy-coated low-carbon steel wire for armoured cables 铠装电缆用热镀锌及锌铝合金镀层低碳钢丝 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.37-2020 |
Iron, steel and alloy—Determination of nitrogen content—Indophenol blue spectrophotometric method after distillation separation 钢铁及合金 氮含量的测定 蒸馏分离靛酚蓝分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 38809-2020 |
General specification for low alloy ultra-high strength steels 低合金超高强度钢通用技术条件 |
China National Standards Steel alloy |
English PDF |
| GB/T 4334-2020 |
Corrosion of metals and alloys－Test methods for intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steels 金属和合金的腐蚀 奥氏体及铁素体-奥氏体（双相）不锈钢晶间腐蚀试验方法 |
China National Standards Steel alloy |
English PDF |
| GB/T 38720-2020 |
Microstructure examination of medium-carbon steel and medium-carbon alloy structural steel after quenching 中碳钢与中碳合金结构钢淬火金相组织检验 |
China National Standards Steel alloy |
English PDF |
| GB/T 11251-2020 |
Alloy structural steel plate and strip 合金结构钢钢板及钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 39280-2020 |
Rods, wires and deposits for tungsten inert gas welding of non alloy and fine grain steels 钨极惰性气体保护电弧焊用非合金钢及细晶粒钢实心焊丝 |
China National Standards Steel alloy |
English PDF |
| GB/T 8110-2020 |
Wire electrodes and weld deposits for gas shielded metal arc welding of non alloy and fine grain steels 熔化极气体保护电弧焊用非合金钢及细晶粒钢实心焊丝 |
China National Standards Steel alloy |
English PDF |
| GB/T 3098.25-2020 |
Mechanical properties of fasteners—Guidance for the selection of stainless steels and nickel alloys for fasteners 紧固件机械性能 不锈钢和镍合金紧固件选用指南 |
China National Standards Steel alloy |
English PDF |
| GB/T 3098.24-2020 |
Mechanical properties of fasteners—Stainless steel and nickel alloys bolts, screws, studs and nuts for high temperature applications 紧固件机械性能 高温用不锈钢和镍合金螺栓、螺钉、螺柱和螺母 |
China National Standards Steel alloy |
English PDF |
| GB/T 2518-2019 |
Continuously hot-dip zinc and zinc alloy coated steel sheet and strip 连续热镀锌和锌合金镀层钢板及钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 2518-2019 |
Continuously hot-dip zinc and zinc alloy coated steel sheet and strip 连续热镀锌和锌合金镀层钢板及钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.88-2019 |
Iron, steel and alloy—Determination of calcium and magnesium contents—Inductively coupled plasma atomic emission spectrometric method 钢铁及合金 钙和镁含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 37910.1-2019 |
Non-destructive testing of welds—Acceptance levels for radiographic testing—Part 1:Steel,nickel,titanium and their alloys 焊缝无损检测 射线检测验收等级 第1部分：钢、镍、钛及其合金 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.89-2019 |
Iron, steel and alloy—Determination of tellurium content—Hydride generation-atomic fluorescence spectrometric method 钢铁及合金 碲含量的测定 氢化物发生-原子荧光光谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 37619-2019 |
Corrosion of metals and alloys—Potentiostatic test and evaluation method for determination of susceptibility to grooving corrosion of high frequency electric resistance welded steel pipes 金属和合金的腐蚀 高频电阻焊焊管沟槽腐蚀性能恒电位试验与评价方法 |
China National Standards Steel alloy |
English PDF |
| GB/T 37601-2019 |
Hot rolled steel sheet and strip of alloy structure steel 合金结构钢热连轧钢板和钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.88-2019 |
Iron, steel and alloy—Determination of calcium and magnesium contents—Inductively coupled plasma atomic emission spectrometric method 钢铁及合金 钙和镁含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 20492-2019 |
Zinc-5% aluminum-mixed mischmetal alloy - coated steel wire and steel wire strand 锌-5%铝-混合稀土合金镀层钢丝、钢绞线 |
China National Standards Steel alloy |
English PDF |
| GB/T 37701-2019 |
Corrosion resistant alloy clad or lined steel pipe for petroleum and natural gas industries 石油天然气工业用内覆或衬里耐腐蚀合金复合钢管 |
China National Standards Steel alloy |
English PDF |
| GB/T 19314.3-2019 |
Small craft—Hull construction and scantlings—Part 3:Materials:Steel,aluminium alloys,wood,other materials 小艇 艇体结构和构件尺寸 第3部分：材料：钢、铝合金、木材、其他材料 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.87-2018 |
Iron,steel and alloy—Determination of calcium and magnesium—Inductively coupled plasma mass spectrometric method 钢铁及合金 钙和镁含量的测定 电感耦合等离子体质谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 10045-2018 |
Tubular cored electrodes for non-alloy and fine grain steels 非合金钢及细晶粒钢药芯焊丝 |
China National Standards Steel alloy |
English PDF |
| GB/T 35012-2018 |
Chromium molybdenum alloy steel plate for hydrogen service equipment 临氢设备用铬钼合金钢钢板 |
China National Standards Steel alloy |
English PDF |
| GB/T 36163-2018 |
Alloy steel plate for nuclear power plants 核电站用合金钢钢板 |
China National Standards Steel alloy |
English PDF |
| GB/T 1591-2018 |
High strength low alloy structural steels 低合金高强度结构钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 36164-2018 |
High alloy steel—Determination of multi-element contents—X-ray fluorescence spectrometry (routine method) 高合金钢 多元素含量的测定 X射线荧光光谱法(常规法) |
China National Standards Steel alloy |
English PDF |
| GB/T 36399-2018 |
Continuously hot-dip aluminium-silicon alloy coated steel sheet and strip 连续热镀铝硅合金镀层钢板及钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 19743-2018 |
Water-atomized pure iron powder and alloyed steel powder for powder metallurgy 粉末冶金用水雾化纯铁粉、合金钢粉 |
China National Standards Steel alloy |
English PDF |
| GB/T 34484.2-2018 |
Heat-treatable steels—Part 2: Alloy steels for quenching and tempering 热处理钢 第2部分：淬火及回火合金钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 35840.1-2018 |
Steels for plastic mould—Part 1：Non-alloy steels 塑料模具钢 第1部分：非合金钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 5293-2018 |
Solid wire electrodes, tubular cored electrodes and electrode/flux combinations for submerged arc welding of non alloy and fine grain steels 埋弧焊用非合金钢及细晶粒钢实心焊丝、药芯焊丝和焊丝-焊剂组合分类要求 |
China National Standards Steel alloy |
English PDF |
| GB/T 34484.1-2017 |
Heat-treatable steels—Part 1: Non-alloy steels 热处理钢 第1部分：非合金钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 33811-2017 |
Alloy tool and mould steel sheets and plates 合金工模具钢板 |
China National Standards Steel alloy |
English PDF |
| GB/T 33645-2017 |
Welding procedure qualification test for laser-arc hybrid welding of steels, nickel and nickel alloys 钢、镍及镍合金的激光-电弧复合焊接工艺评定试验 |
China National Standards Steel alloy |
English PDF |
| GB/T 3274-2017 |
Hot-rolled plates、sheets and strips of carbon structural steels and high strength low alloy structural steels 碳素结构钢和低合金结构钢热轧钢板和钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 24510-2017 |
Nickel alloy steel plates for low temperature pressure vessels 低温压力容器用镍合金钢板 |
China National Standards Steel alloy |
English PDF |
| GB/T 33241-2016 |
Zinc-aluminum alloy coated section steel 锌铝合金镀层型钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 33240-2016 |
Zinc-aluminum alloy-epoxy duplex coated steel bars for the reinforcement of concrete 钢筋混凝土用镀锌铝合金-环氧树脂复合涂层钢筋 |
China National Standards Steel alloy |
English PDF |
| GB/T 33214-2016 |
Laser-arc hybrid welding joints of steels, nickel and nickel alloys—Quality levels for imperfections 钢、镍及镍合金的激光-电弧复合焊接接头 缺欠质量分级指南 |
China National Standards Steel alloy |
English PDF |
| GB/T 33084-2016 |
Heavy alloy structural steel forgings—Technical specification 大型合金结构钢锻件 技术条件 |
China National Standards Steel alloy |
English PDF |
| GB/T 32968-2016 |
Zinc-aluminum alloy coated steel bars for the reinforcement of concrete 钢筋混凝土用锌铝合金镀层钢筋 |
China National Standards Steel alloy |
English PDF |
| GB/T 32795-2016 |
Zinc or zinc alloy coated steel wire for armouring oceaneering cables 海缆铠装用镀锌或锌合金钢丝 |
China National Standards Steel alloy |
English PDF |
| GB/T 15712-2016 |
Microalloyed medium carbon steels 非调质机械结构钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 32963-2016 |
Zinc-aluminum alloy coated steel wire cable 锌铝合金镀层钢丝缆索 |
China National Standards Steel alloy |
English PDF |
| GB/T 32571-2016 |
Corrosion of metals and alloys—Corrosion test for intergranular corrosion susceptibility of high—Cr ferritic stainless steels 金属和合金的腐蚀 高铬铁素体不锈钢晶间腐蚀试验方法 |
China National Standards Steel alloy |
English PDF |
| GB/T 4336-2016 |
Carbon and low-alloy steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (routine method) 碳素钢和中低合金钢 多元素含量的测定 火花放电原子发射光谱法（常规法） |
China National Standards Steel alloy |
English PDF |
| GB/T 17897-2016 |
Corrosion of metals and alloys—Corrosion test for pitting corrosion resistance of stainless steels in the ferric chloride solution 金属和合金的腐蚀 不锈钢三氯化铁点腐蚀试验方法 |
China National Standards Steel alloy |
English PDF |
| GB/T 32289-2015 |
Quality carbon structure steels and alloy structure steels for large forgings 大型锻件用优质碳素结构钢和合金结构钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 3077-2015 |
Alloy structure steels 合金结构钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 32255-2015 |
General martensitic stainless steel and alloy steel castings suitable for high temperature and high pressure service 高温承压马氏体不锈钢和合金钢通用铸件 |
China National Standards Steel alloy |
English PDF |
| GB/T 32248-2015 |
Superstrength alloy steel forgings—General specifications 超高强度合金钢锻件 通用技术条件 |
China National Standards Steel alloy |
English PDF |
| GB/T 3524-2015 |
Hot-rolled carbon and low alloy structural steel strips 碳素结构钢和低合金结构钢热轧钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 31941-2015 |
Non-nuclear safety class welded carbon steel and alloy steel pipes for nuclear power plant 核电站用非核安全级碳钢及合金钢焊接钢管 |
China National Standards Steel alloy |
English PDF |
| GB/T 31935-2015 |
Corrosion of metals and alloys—Corrosion test for intergranular corrosion susceptibility of low-Cr ferritic stainless steels 金属和合金的腐蚀 低铬铁素体不锈钢晶间腐蚀试验方法 |
China National Standards Steel alloy |
English PDF |
| GB/T 31931-2015 |
Zinc or zinc alloy coating on steel sheets or strips—Determination of hexavalent chromium content—1,5-Diphenylcarbohydrazide (diphenylcarbazide) spectrophotometric method 钢板及钢带 锌及锌合金镀层中六价铬含量的测定 二苯碳酰二肼分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 8492-2014 |
Heat-resistant steel and alloy castings for general applications 一般用途耐热钢和合金铸件 |
China National Standards Steel alloy |
English PDF |
| GB/T 24242.4-2014 |
Non-alloy steel wire rods for conversion to wire―Part 4: Specific requirements for wire rod for special applications 制丝用非合金钢盘条 第4部分：特殊用途盘条 |
China National Standards Steel alloy |
English PDF |
| GB/T 24242.3-2014 |
Non-alloy steel wire rod for conversion to wire—Part 3: Specific requirements for rimmed and rimmed substitute low carbon steel wire rod 制丝用非合金钢盘条 第3部分：沸腾钢和沸腾钢替代品低碳钢盘条 |
China National Standards Steel alloy |
English PDF |
| GB 30814-2014 |
Steel plates of carbon steel and low alloy steel for nuclear power plants 核电站用碳素钢和低合金钢钢板 |
China National Standards Steel alloy |
English PDF |
| GB/T 14408-2014 |
Low alloy steel castings for general engineering and structural purposes 一般工程与结构用低合金钢铸件 |
China National Standards Steel alloy |
English PDF |
| GB/T 30070-2013 |
Seamless alloy steel pipes for seawater service 海水输送用合金钢无缝钢管 |
China National Standards Steel alloy |
English PDF |
| GB/T 17616-2013 |
Unified numbering system for designation of iron,steel and alloy 钢铁及合金牌号统一数字代号体系 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.65-2012 |
Steel, iron and alloy - Determination of cobalt content - Flame atomic absorption spectrometric method 钢铁及合金 钴含量的测定 火焰原子吸收光谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 5117-2012 |
Covered electrodes for manual metal arc welding of non-alloy and fine grain steels 非合金钢及细晶粒钢焊条 |
China National Standards Steel alloy |
English PDF |
| GB/T 27866-2011 |
Specification of controlling weld hardness of carbon steel and low alloy steel piping and equipment to prevent sulfide stress cracking 控制钢制管道和设备焊缝硬度防止硫化物应力开裂技术规范 |
China National Standards Steel alloy |
English PDF |
| GB/T 25834-2010 |
Corrosion of metals and alloys - Accelerate corrosion testing of iron and steel in outdoor atmospheres 金属和合金的腐蚀 钢铁户外大气加速腐蚀试验 |
China National Standards Steel alloy |
English PDF |
| GB/T 25774.1-2010 |
Test methods for welding consumables - Part 1: Preparation and testing of deposited metal specimens for mechanical properties in steel,nickel and nickel alloys 焊接材料的检验 第1部分：钢、镍及镍合金熔敷金属力学性能试样的制备及检验 |
China National Standards Steel alloy |
English PDF |
| GB/T 20564.4-2010 |
Continuously cold rolled high strength steel sheet and strip for automobile - Part 4: High strength low alloy steel 汽车用高强度冷连轧钢板及钢带 第4部分：低合金高强度钢 |
China National Standards Steel alloy |
English PDF |
| GB 24512.2-2009 |
Seamless steel tubes and pipes for nuclear power plant - Part 2: Alloy steel seamless tubes and pipes 核电站用无缝钢管 第2部分：合金钢无缝钢管 |
China National Standards Steel alloy |
English PDF |
| GB/T 4357-2009 |
Cold-drawn non-alloy steel wire for springs 冷拉碳素弹簧钢丝 |
China National Standards Steel alloy |
English PDF |
| GB/T 24594-2009 |
Quality alloy mould steels 优质合金模具钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 24592-2009 |
High pressure alloy steel tubes for polyethylene service 聚乙烯用高压合金钢管 |
China National Standards Steel alloy |
English PDF |
| GB/T 24520-2009 |
Cast iron and low alloy steel - Determination of lanthanum, cerium and magnesium content - Inductively coupled plasma atomic emission spectrometric method 铸铁和低合金钢 镧、铈和镁含量的测定 电感耦合等离子体原子发射光谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 11251-2009 |
Hot-rolled alloy structural steel plates 合金结构钢热轧厚钢板 |
China National Standards Steel alloy |
English PDF |
| GB/T 24242.2-2009 |
Non-alloy steel wire rods for conversion to wire - Part 2: Specific requirements for general purpose wire rod 制丝用非合金钢盘条 第2部分：一般用途盘条 |
China National Standards Steel alloy |
English PDF |
| GB/T 24242.1-2009 |
Non-alloy steel wire rods for conversion to wire - Part 1: General requirements 制丝用非合金钢盘条 第1部分：一般要求 |
China National Standards Steel alloy |
English PDF |
| GB/T 13149-2009 |
Specification for welding of titanium and titanium alloy clad steel plates 钛及钛合金复合钢板焊接技术要求 |
China National Standards Steel alloy |
English PDF |
| GB/T 13147-2009 |
Specification for welding of copper and copper alloy clad steel plates 铜及铜合金复合钢板焊接技术要求 |
China National Standards Steel alloy |
English PDF |
| GB/T 1591-2008 |
High strength low alloy structural steels 低合金高强度结构钢 |
China National Standards Steel alloy |
English PDF |
| GB 912-2008 |
Hot-rolled sheets and strips of carbon structural steels and high strength low alloy structural steels 碳素结构钢和低合金结构钢热轧薄钢板和钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 4334-2008 |
Corrosion of metals and alloys - Test methods for intergranular corrosion of stainless steels 金属和合金的腐蚀 不锈钢晶间腐蚀试验方法 |
China National Standards Steel alloy |
English PDF |
| GB/T 15675-2008 |
Continuously electrolytically zinc/zinc-nickel alloy coated steel sheet and strip 连续电镀锌、锌镍合金镀层钢板及钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 22368-2008 |
Low-alloy steel - Determination of multi-element contents - Glow discharge optical emission spectrometry（Routine method） 低合金钢 多元素含量的测定 辉光放电原子发射光谱法（常规法） |
China National Standards Steel alloy |
English PDF |
| GB/T 223.11-2008 |
Iron, steel and alloy - Determination of chromium content - Visual titration or potentiometric titration method 钢铁及合金 铬含量的测定 可视滴定或电位滴定法 |
China National Standards Steel alloy |
English PDF |
| GB/T 14978-2008 |
Continuously hot-dip aluminum-zinc alloy coated steel sheet and strip 连续热镀铝锌合金镀层钢板及钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 20972.2-2008 |
Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 2: Cracking-resistant carbon and low alloy steels, and the use of cast irons 石油天然气工业 油气开采中用于含硫化氢环境的材料 第2部分：抗开裂碳钢、低合金钢和铸铁 |
China National Standards Steel alloy |
English PDF |
| GB/T 15530.6-2008 |
Loose plate flange in steel with a copper pipe or a weld-neck collar in copper alloy for welding 铜管折边和铜合金对焊环松套钢法兰 |
China National Standards Steel alloy |
English PDF |
| GB/T 15530.5-2008 |
Loose piate flange in steel with a plate collar alloy for brazing and welding 铜合金平焊环松套钢法兰 |
China National Standards Steel alloy |
English PDF |
| GB/T 3082-2008 |
Galvanized or zinc-5% aluminum-mixed mischmetal alloy-coated low carbon steel wire for armouring cables 铠装电缆用热镀锌或热镀锌-5％铝-混合稀土合金镀层低碳钢丝 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.59-2008 |
Iron,steel and alloy - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method 钢铁及合金 磷含量的测定 铋磷钼蓝分光光度法和锑磷钼蓝分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 6946-2008 |
Aluminium-alloy swaged ferrules for steel wire rope 钢丝绳铝合金压制接头 |
China National Standards Steel alloy |
English PDF |
| GB/T 8110-2008 |
Welding electrodes and rods for gas shielding arc welding of carbon and low alloy steel 气体保护电弧焊用碳钢、低合金钢焊丝 |
China National Standards Steel alloy |
English PDF |
| GB/T 17493-2008 |
Low alloy steel flux cored electrodes for arc welding 低合金钢药芯焊丝 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.4-2008 |
Alloyed steel - Determination of manganese content - Potentiometric or visual titration method 钢铁及合金 锰含量的测定 电位滴定或可视滴定法 |
China National Standards Steel alloy |
English PDF |
| GB/T 12773-2008 |
Valve steel and superalloy bars for internal combustion engines 内燃机气阀用钢及合金棒材 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.9-2008 |
Iron, steel and alloy - Determination of aluminium content - Chrom azurol S photometric method 钢铁及合金 铝含量的测定 铬天青S分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.75-2008 |
Iron,steel and alloy - Determination of boron content - Methanol distillation-curcumin photometric method 钢铁及合金 硼含量的测定 甲醇蒸馏-姜黄素光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.73-2008 |
Iron, steel and alloy - Determination of iron contents - Titanium trichloride-potassium dichromate titration method 钢铁及合金 铁含量的测定 三氯化钛-重铬酸钾滴定法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.72-2008 |
Iron, steel and alloy - Determination of sulfur content - Gravimetric method 钢铁及合金 硫含量的测定 重量法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.70-2008 |
Iron, steel and alloy - Determination of iron contents - O-phenanthroline spectrophotometric method 钢铁及合金 铁含量的测定 邻二氮杂菲分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.69-2008 |
Iron, steel and alloy - Determination of carbon contents - Gas-volumetric method after combustion in the pipe furnace 钢铁及合金 碳含量的测定 管式炉内燃烧后气体容量法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.67-2008 |
Iron, steel and alloy - Determination of sulfur content -Methylene blue spectrophotometric method 钢铁及合金 硫含量的测定 次甲基蓝分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.64-2008 |
Iron, steel and alloyed - Determination of manganese content - Flame atomic absorption spectrometric method 钢铁及合金 锰含量的测定 火焰原子吸收光谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.55-2008 |
Iron, steel and alloy - Determination of tellurium content - Oscillo-polarographic method 钢铁及合金 碲含量的测定 示波极谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.43-2008 |
Iron, steel and alloy - Determination of tungsten content - Gravimetryc method and spectrophotometric method 钢铁及合金 钨含量的测定 重量法和分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.31-2008 |
Iron, steel and alloy - Determination of arsenic content -Distillation-molybdenum blue spectrophotometric method 钢铁及合金 砷含量的测定 蒸馏分离-钼蓝分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.29-2008 |
Iron, steel and alloy - Determination of lead content - Carrier precipitation-xylenol orange spectrophotometric method 钢铁及合金 铅含量的测定 载体沉淀-二甲酚橙分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.26-2008 |
Iron, steel and alloy - Determination of molybdenum content - The thiocyanate spectrophotometric method 钢铁及合金 钼含量的测定 硫氰酸盐分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.23-2008 |
Iron, steel and alloy - Determination of nickel content - The dimethylglyoxime spectrophotometric method 钢铁及合金 镍含量的测定 丁二酮肟分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 21834-2008 |
Medium and low alloy steel - Determination of the distribution of multi-element contents - Original position statistic distribution analysis method 中低合金钢 多元素成分分布的测定 金属原位统计分布分析法 |
China National Standards Steel alloy |
English PDF |
| GB/T 15712-2008 |
Microalloyed medium carbon steels 非调质机械结构钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.81-2007 |
Iron, steel and alloy - Determination of total aluminum and total boron contents - Microwave digestion - inductively coupled plasma mass spectrometric method 钢铁及合金 总铝和总硼含量的测定 微波消解-电感耦合等离子体质谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.80-2007 |
Iron，steel and alloy - Determination of trace bismuth and arsenic contents - Hydride generation - atomic fluorescence spectrometric method 钢铁及合金 铋和砷含量的测定 氢化物发生-原子荧光光谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 3274-2007 |
Hot-rolled plates and strips of carbon structural steels and high strength low alloy structural steels 碳素结构钢和低合金结构钢热轧厚钢板和钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.40-2007 |
Iron, steel and alloy - Determination of niobium content - The sulphochlorophenol S spectrophotometric method 钢铁及合金 铌含量的测定 氯磺酚S分光光度法 |
China National Standards Steel alloy |
English PDF |
| GB/T 20566-2006 |
Terminology of steel and alloy 钢及合金术语 |
China National Standards Steel alloy |
English PDF |
| GB/T 20492-2006 |
Zinc-5% aluminum-mixed mischmetal alloy - coated steel wire and steel wire strand 锌―5%铝―混合稀土合金镀层钢丝、钢绞线 |
China National Standards Steel alloy |
English PDF |
| GB/T 20127.9-2006 |
Steel and alloy - Determination of trace element contents Part 9: Determination of scandium content by inductively coupled plasma atomic emission spectrometric method 钢铁及合金 痕量元素的测定 第9部分：电感耦合等离子体发射光谱法测定钪含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 20127.8-2006 |
Steel and alloy - Determination of trace element contents Part 8: Determination of antimony content by hydride generation-atomic fluorescence spectrometric method 钢铁及合金 痕量元素的测定 第8部分：氢化物发生-原子荧光光谱法测定锑含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 20127.7-2006 |
Steel and alloy - Determination of trace element contents Part 7: Determination of lead content by oscillopolarographic method 钢铁及合金 痕量元素的测定 第7部分：示波极谱法测定铅含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 20127.6-2006 |
Steel and alloy - Determination of trace element contents Part 6: Determination of germanium content by gallic acid oscillopolarographic method 钢铁及合金 痕量元素的测定 第6部分：没食子酸-示波极谱法测定锗含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 20127.5-2006 |
Steel and alloy - Determination of trace element contents Part 5: Determination of gallium content by extraction separation-rhodamine B photometric method 钢铁及合金 痕量元素的测定 第5部分：萃取分离-罗丹明B光度法 测定镓含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 20127.4-2006 |
Steel and alloy - Determination of trace element contents Part 4: Determination of copper content by graphite furnace atomic absorption spectrometric method 钢铁及合金 痕量元素的测定 第4部分：石墨炉原子吸收光谱法测定铜含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 20127.3-2006 |
Steel and alloy - Determination of trace element contents Part3:Determination of calcium,magnesium,barium content by inductively coupled plasma atomic emission spectrometric method 钢铁及合金 痕量元素的测定 第3部分：电感耦合等离子体发射光谱法测定钙、镁和钡含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 20127.2-2006 |
Steel and alloy - Determination of trace element contents Part2: Determination of arsenic content by hydride generation-atomic fluorescence spectrometric method 钢铁及合金 痕量元素的测定 第2部分：氢化物发生-原子荧光光谱法 测定砷含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 20127.13-2006 |
Steel and alloy - Determination of trace element contents Part 13: Determination of tin content by iodide extraction-phenylfluorone photometric method 钢铁及合金 痕量元素的测定 第13部分：碘化物萃取-苯基荧光酮光度法测定锡含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 20127.12-2006 |
Steel and alloy - Determination of trace element contents Part 12: Determination of zinc content by flame atomic absorption spectrometric method 钢铁及合金 痕量元素的测定 第12部分：火焰原子吸收光谱法测定锌含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 20127.1-2006 |
Steel and alloy - Determination of trace element contents Part 1: Determination of silver content by graphite furnace atomic absorption spectrometric method 钢铁及合金 痕量元素的测定 第1部分：石墨炉原子吸收光谱法测定银含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 20127.11-2006 |
Steel and alloy - Determination of trace element contents Part 11: Determination of indium and thallium content by inductively coupled plasma-mass spectrometric method 钢铁及合金 痕量元素的测定 第11部分：电感耦合等离子体质谱法测定铟和铊含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 20127.10-2006 |
Steel and alloy - Determination of trace element contents Part 10: Determination of selenium content by hydride generation-atomic fluorescence spectrometric method 钢铁及合金 痕量元素的测定 第10部分：氢化物发生-原子荧光光谱法测定硒含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 20126-2006 |
Unalloyed steel -- Determination of low carbon content -- Part 2: Infrared absorption method after combustion in an induction furnace (with preheating) 非合金钢 低碳含量的测定 第2部分：感应炉（经预加热）内燃烧后红外吸收法 |
China National Standards Steel alloy |
English PDF |
| GB/T 20125-2006 |
Low-alloy steel - Determination of multi-element contents - Inductively coupled plasma atomic emission spectrometric method 低合金钢 多元素的测定 电感耦合等离子体发射光谱法 |
China National Standards Steel alloy |
English PDF |
| GB/T 19869.1-2005 |
Welding procedure qualification test for steels,nickel and nickel alloys 钢、镍及镍合金的焊接工艺评定试验 |
China National Standards Steel alloy |
English PDF |
| GB/T 3524-2005 |
Hot-rolled carbon and low alloy structural steel strips 碳素结构钢和低合金结构钢热轧钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 19743-2005 |
Water atomized pure iron powder and alloyed steel powder for powder metallurgy 粉末冶金用水雾化纯铁粉、合金钢粉 |
China National Standards Steel alloy |
English PDF |
| GB/T 5065-2004 |
Hot-dip lead-tin alloy coated cold rolled carbon steel sheets and strips 热镀铅锡合金碳素钢冷轧薄钢板及钢带 |
China National Standards Steel alloy |
English PDF |
| GB/T 12470-2003 |
Low-alloy steel electrodes and fluxes for submerged arc welding 埋弧焊用低合金钢焊丝和焊剂 |
China National Standards Steel alloy |
English PDF |
| GB/T 4336-2002 |
Standard testmethod for spark discharge atomic emission--Spectrometric analysis of carbon and low-alloy steel(routine method) 碳素钢和中低合金钢 火花源原子发射光谱分析方法(常规法) |
China National Standards Steel alloy |
English PDF |
| GB/T 18615-2002 |
Non-alloyed and stainless steel fittings for corrugated flexible metallic hoses 波纹金属软管用非合金钢和不锈钢接头 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.78-2000 |
Methods for chemical analysis of iron，steel and alloy--Curcumin spectrophotometric method for the determination of boron content 钢铁及合金化学分析方法 姜黄素直接光度法测定硼含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.34-2000 |
Methods for chemical analysis of iron，steel and alloy--The determination of hydrochloric acid-insoluble content of iron powders 钢铁及合金化学分析方法 铁粉中盐酸不溶物的测定 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.8-2000 |
Methods for chemical analysis of iron，steel and alloy--The sodium fluoride separation--EDTA titration method for the determination of aluminium content 钢铁及合金化学分析方法 氟化钠分离-EDTA滴定法测定铝含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.14-2000 |
Methods for chemical analysis of iron，steel and alloy--The N-benzoy-N-phenylhydroxylamine extraction photometric method for the determination of vanadium content 钢铁及合金化学分析方法 钽试剂萃取光度法测定钒含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.13-2000 |
Methods for chemical analysis of iron，steel and alloy--The ammonium ferrous sulfate titrationmethod for the determination of vanadium content 钢铁及合金化学分析方法 硫酸亚铁铵滴定法测定钒含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 3077-1999 |
Alloy structure steels 合金结构钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 17600.1-1998 |
Steel--Conversion of elongation values--Part 1:Carbon and low alloy steels 钢的伸长率换算 第1部分:碳素钢和低合金钢 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.74-1997 |
Methods for chemical analysis of iron，steel and alloy--The combustion gravimetric/gas-volumetric method for the determination of non-combined carbon content 钢铁及合金化学分析方法 非化合碳含量的测定 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.71-1997 |
Methods for chemical analysis of iron，steel and alloy--The gravimetric method after combustion in the pipe furnace for the determination of carbon content 钢铁及合金化学分析方法 管式炉内燃烧后重量法测定碳含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.68-1997 |
Methods for chemical analysis of iron，steel and alloy--The potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur content 钢铁及合金化学分析方法 管式炉内燃烧后碘酸钾滴定法测定硫含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.60-1997 |
Methods for chemical analysis of iron，steel and alloy--The perchloric acid dehydration gravimetric method for the determination of silicon content 钢铁及合金化学分析方法 高氯酸脱水重量法测定硅含量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.6-1994 |
Methods for chemical analysis of iron，steel and alloy--The neutralization titrimetric method for the determination of boron content 钢铁及合金化学分析方法 中和滴定法测定硼量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.50-1994 |
Methods for chemical analysis of iron，steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content 钢铁及合金化学分析方法 苯基荧光酮-溴化十六烷基三甲基胺直接光度法测定锡量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.49-1994 |
Methods for chemical analysis of iron，steel and alloy--Extraction separation-chlorophosphonazo mA spectro-photometric method for the determination of the total rare earth content 钢铁及合金化学分析方法 萃取分离-偶氮氯膦mA分光光度法测定稀土总量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.47-1994 |
Methods for chemical analysis of iron，steel and alloy--The carrier precipitation-molybdenumblue potometric method for the determination of antimony content 钢铁及合金化学分析方法 载体沉淀-钼蓝光度法测定锑量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.36-1994 |
Methods for chemical analysis of iron，steel and alloy--The neutral titration method for the determination of nitrogen content after distillation separation 钢铁及合金化学分析方法 蒸馏分离-中和滴定法测定氮量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.33-1994 |
Methods forchemical analysis of iron，steel and alloy--The chlorophosphonago mA photometric method for the determination of cerium content after extraction separation 钢铁及合金化学分析方法 萃取分离-偶氮氯膦mA光度法测定铈量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.32-1994 |
Methods for chemical analysis of iron，steel and alloy--The hypophosphite reduction-iodimetric method for the determination of arsenic content 钢铁及合金化学分析方法 次磷酸钠还原-碘量法测定砷量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.30-1994 |
Methods for chemical analysis of iron，steel and alloy--The arsenazo Ⅲspectrophotometric method for the determination of zirconium content after separation by p-bromomandelic acid 钢铁及合金化学分析方法 对-溴苦杏仁酸沉淀分离-偶氮胂Ⅲ分光光度法测定锆量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.77-1994 |
Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrometric method for the determination of calcium content 钢铁及合金化学分析方法 火焰原子吸收光谱法测定钙量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.76-1994 |
Methods for chemical analysis of iron，steel and alloy--The flame atomic absorption spectrometric method for the determination of vanadium content 钢铁及合金化学分析方法 火焰原子吸收光谱法测定钒量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.25-1994 |
Methods for chemical analysis of iron，steel and alloy--The dimethylglyoxime gravimetric method forthe determination of nickel content 钢铁及合金化学分析方法 丁二酮肟重量法测定镍量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.22-1994 |
Methods for chemical analysis of iron，steel and alloy--The nitroso-R-salt spectrophotometric method for the determination of cobalt content 钢铁及合金化学分析方法 亚硝基R 盐分光光度法测定钴量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.21-1994 |
Methods for chemical analysis of iron，steel and alloy--The 5-Cl-PADAB spectrophotometricmethod for the determination of cobalt content 钢铁及合金化学分析方法 5-Cl-PADAB分光光度法测定钴量 |
China National Standards Steel alloy |
English PDF |
| GB/T 223.20-1994 |
Methods for chemical analysis of iron，steel and alloy--The fotentiometric titration method for the determination of cobalt content 钢铁及合金化学分析方法 电位滴定法测定钴量 |
China National Standards Steel alloy |
English PDF |
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