China National Standards

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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "ratio" GB Standards English PDF List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 5686.2-2008 Ferromanganese,ferromanganese-silicon , nitrogen-bearing ferromanganese and manganese metal - Determination of silicon content - Molybdenum blue photometric method ,silicon potassium fluoride titrimetric method and perchloric acid dehydration gravimet
    锰铁、锰硅合金、氮化锰铁和金属锰 硅含量的测定 钼蓝光度法、氟硅酸钾滴定法和高氯酸重量法
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    GB/T 4702.16-2008 Chromium metal - Determination of sulfur content - Infrared absorption method and combustion-neutralization titration method
    金属铬 硫含量的测定 红外线吸收法和燃烧中和滴定法
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    GB/T 4701.10-2008 Ferrotitanium - Determination of sulfur content - Infrared absorption method and combustion-neutralization titration method
    钛铁 硫含量的测定 红外线吸收法和燃烧中和滴定法
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    GB/T 4699.6-2008 Ferrochromium and silicochromium - Determination of sulfur content - The infrared absorption method and the combustion-titration method
    铬铁和硅铬合金 硫含量的测定 红外线吸收法和燃烧中和滴定法
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    GB/T 4699.2-2008 Ferrochromium and ferrosilicochromium - Determination of chromium content - The ammonium persulfate oxidation titrimetric method and potentiometric titration method
    铬铁和硅铬合金 铬含量的测定 过硫酸铵氧化滴定法和电位滴定法
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    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
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    GB/T 14986-2008 High saturation magnetic induction, magnetic compensate alloys depending on temperature variation, corrosion-resisting, iron-aluminium, Permanent permeability, soft magneticalloys
    高饱和、磁温度补偿、耐蚀、铁铝、恒磁导率软磁合金
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    GB/T 21858-2008 Testing of chemicals - Bioconcentration - Semi-static fish test
    化学品 生物富集 半静态式鱼类试验
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    GB/T 21844-2008 Standard test method for concentration limits of flammability of chemicals (vapors and gases)
    化合物(蒸气和气体)易燃性浓度限值的标准试验方法
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    GB/T 21800-2008 Testing of chemicals Bioconcentration - Flow-through fish test
    化学品 生物富集 流水式鱼类试验
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    GB/T 21796-2008 Testing of chemicals - Activated sludge, respiration inhibition test
    化学品 活性污泥呼吸抑制试验
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    GB/T 21794-2008 Chemicals - Test method of in vitro mammalian chromosome aberration
    化学品 体外哺乳动物细胞染色体畸变试验方法
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    GB/T 21772-2008 Chemicals - Test method of mammalian bone narrow chromosome aberration
    化学品 哺乳动物骨髓染色体畸变试验方法
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    GB/T 21758-2008 Chemicals - Test method of two-generation reproduction toxicity study
    化学品 两代繁殖毒性试验方法
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    GB/T 21751-2008 Chemicals - Test method of mammalian spermatogonial chromosome aberration
    化学品 哺乳动物精原细胞染色体畸变试验方法
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    GB/T 27025-2008 General requirements for the competence of testing and calibration laboratories
    检测和校准实验室能力的通用要求
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    GB/T 19017-2008 Quality management systems - Guidelines for configuration management
    质量管理体系 技术状态管理指南
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    GB/T 21745-2008 ration of workers for manufacturing rail traffic engineering components
    轨道交通工程构件制造劳动定员定额
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    GB/T 21744-2008 ration of workers for manufacturing large rail traffic engineering equipments
    轨道交通工程大型设备制造综合劳动定额
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    GB/T 21712-2008 The standard for the restoration and control of ancient books
    古籍修复技术规范与质量要求
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    GB/T 21640-2008 Technical standards for cooperation between equipments of IP-based video conference system
    基于IP网络的视讯会议系统设备互通技术要求
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    GB/T 11371-2008 Operation and maintenance for gas turbine
    轻型燃气轮机使用与维护
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    GB/T 21699-2008 Verification/Calibration method of rotating-element current meters in straight open tank
    直线明槽中的转子式流速仪检定/校准方法
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    GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
    动物性蛋白质饲料胃蛋白酶消化率的测定 过滤法
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    GB/T 8923.2-2008 Preparation of steel substrates before application of paints and related products-Visual assessment of surface cleanliness - Part 2: Preparation grades of praviously coated steel substrates after localized removal of previous coatings
    涂覆涂料前钢材表面处理 表面清洁度的目视评定 第2部分: 已涂覆过的钢材表面局部清除原有涂层后的处理等级
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    GB/T 21624-2008 Dangerous goods - Solvent separation test for of flammable viscous liquids
    危险品 易燃黏性液体溶剂分离试验方法
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    GB/T 21607-2008 Test method of one-generation reproduction toxicity for chemicals
    化学品一代繁殖毒性试验方法
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    GB/T 21571-2008 Dangerous goods - Test method of deflagration to detonation transition
    危险品 爆燃转爆轰试验方法
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    GB/T 21526-2008 Structural adhesives - Guidelines for the surface preparation of metals and plastics prior to adhesive bonding
    结构胶粘剂 粘接前金属和塑料表面处理导则
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    GB/T 21525-2008 Inorganic chemical products for industrial use - General method for determination of magnesium content by complexation titration
    无机化工产品中镁含量测定的通用方法 络合滴定法
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    GB/T 18838.4-2008 Preparation of steel substrates before application of paints and related products-Specifications for metallic blast-cleaning abrasives - Part 4:Low-carbon cast-steel shot
    涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 第4部分: 低碳铸钢丸
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    GB/T 18838.3-2008 Preparation of steel substrates before application of paints and related products-Specifications for metallic blast-cleaning abrasives - Part 3: High-carbon cast-steel shot and grit
    涂覆涂料前钢材表面处理 喷射清理用金属磨料的技术要求 第3部分: 高碳铸钢丸和砂
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    GB/T 18570.12-2008 Preparation of steel substrates before application of paints and related products-Tests for the assessment of surface cleanliness - Part 12: Field method for the titrimetric determination of water-soluble ferrous ions
    涂覆涂料前钢材表面处理 表面清洁度的评定试验 第12部分: 水溶性铁离子的现场滴定测定法
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    GB/T 13288.1-2008 Preparation of steel substrates before application of paints and related products-Surface roughness characteristics of blast-cleaned substrates - Part 1: Specifications and definitions for ISO surface profile comparators for the assessment of abrasive bl
    涂覆涂料前钢材表面处理 喷射清理后的钢材表面粗糙度特性 第1部分: 用于评定喷射清理后钢材表面粗糙度的ISO表面粗糙度比较样块的技术要求和定义
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    GB/T 19903.11-2008 Industrial automation systems and integration - Physical device control - Data model for computerized numerical controllers - Part 11: process data for milling
    工业自动化系统与集成 物理设备控制 计算机数值控制器用的数据模型 第11部分: 铣削用工艺数据
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    GB/T 985.4-2008 Recommended joint preparation for welding on clad steels
    复合钢的推荐坡口
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    GB/T 985.3-2008 Recommended joint preparation for gas-shield arc welding on aluminium and its alloys
    铝及铝合金气体保护焊的推荐坡口
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    GB/T 985.2-2008 Recommended joint preparation for submerged arc welding
    埋弧焊的推荐坡口
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    GB/T 985.1-2008 Recommended joint preparation for gas welding, manual metal arc welding, gas-shield arc welding and beam welding
    气焊、焊条电弧焊、气体保护焊和高能束焊的推荐坡口
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    GB/T 21540-2008 Hydraulic fluid power - On-line automatic particle-counting systems for liquids - Methods of calibration and validation
    液压传动 液体在线自动颗粒计数系统 校准和验证方法
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    GB/T 15072.9-2008 Test method of precious metal alloys - Determination of indium content for gold alloys - Complexometric return titration using EDTA
    贵金属合金化学分析方法 金合金中铟量的测定 EDTA络合返滴定法
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    GB/T 15072.8-2008 Test method of precious metal alloys - Determination of copper content for gold, palladium and silver alloys - Complexometric return titration using thiourea releasing EDTA
    贵金属合金化学分析方法 金、钯、银合金中铜量的测定 硫脲析出EDTA络合返滴定法
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    GB/T 15072.6-2008 Test method of precious metal alloys - Determination of iridium contents for platinum, palladium alloys - Electricity titration with ferrous sulfate
    贵金属合金化学分析方法 铂、钯合金中铱量的测定 硫酸亚铁电流滴定法
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    GB/T 15072.5-2008 Test method of precious metal alloys - Determination of silver content for gold and palladium alloys - Potentionmeter titration with potassium iodide
    贵金属合金化学分析方法 金、钯合金中银量的测定 碘化钾电位滴定法
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    GB/T 15072.3-2008 Test method of precious metal alloys - Determination of platinum content for gold, platinum and palladium alloys - Electricity titration using potassium permanganate
    贵金属合金化学分析方法 金、铂、钯合金中铂量的测定 高锰酸钾电流滴定法
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    GB/T 15072.2-2008 Test method of precious metal alloys - Determination of silver contents for silver alloys - Potentionmeter titration with sodium chloride
    贵金属合金化学分析方法 银合金中银量的测定 氯化钠电位滴定法
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    GB/T 15072.1-2008 Test method of precious alloys - Determination of gold content for gold, platinum and palladium alloys - Potentiometric titration using ferrous sulfate
    贵金属合金化学分析方法 金、铂、钯合金中金量的测定 硫酸亚铁电位滴定法
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    GB/T 15072.10-2008 Test method of precious metal alloys - Determination of nickel content for gold alloys - Complexometric backing titration using EDTA
    贵金属合金化学分析方法 金合金中镍量的测定 EDTA络合返滴定法
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    GB/T 16846-2008 Requirement for the declaration of the acoustic output of medical diagnostic ultrasonic equipment
    医用超声诊断设备声输出公布要求
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    GB/T 6988.1-2008 Preparation of documents used in electrotechnology - Part 1: Rules
    电气技术用文件的编制 第1部分:规则
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    GB/T 21563-2008 Railway applications - Rolling stock equipment - Shock and vibration tests
    轨道交通 机车车辆设备 冲击和振动试验
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    GB/T 21562-2008 Railway applications - Specification and demonstration of Reliability,Availability, Maintainability and Safety (RAMS)
    轨道交通 可靠性、可用性、可维修性和安全性规范及示例
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    GB/T 2423.15-2008 Environmental testing for electric and electronic products - Part 2: Test methods - Test Ga and guidance: Acceleration, steady
    电工电子产品环境试验 第2部分: 试验方法 试验Ga和导则: 稳态加速度
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    GB/T 2423.10-2008 Environmental testing for electric and electronic products - Part 2: Tests methods - Test Fc: Vibration (sinusoidal)
    电工电子产品环境试验 第2部分: 试验方法 试验Fc: 振动(正弦)
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    GB/T 21509-2008 Denitration equipment of coal-fired flue gas
    燃煤烟气脱硝技术装备
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    GB/T 21487.1-2008 Rotating shaft vibration measuring systems - Part 1: Relative and absolute sensing of radial vibration
    转轴振动测量系统 第1部分:径向振动的相对和绝对检测
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    GB/T 16301-2008 Measurement and evaluation of vibration severity for marine engine-room auxiliaries
    船舶机舱辅机振动烈度的测量和评价
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    GB/T 20485.22-2008 Methods for the calibration of vibration and shock transducers - Part 22: Shock calibration by comparison to a reference transducer
    振动与冲击传感器校准方法 第 22部分:冲击比较法校准
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    GB/T 20485.12-2008 Methods for the calibration of vibration and shock transducers - Part 12: Primary vibration calibration by the reciprocity method
    振动与冲击传感器校准方法 第12部分:互易法振动绝对校准
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    GB/T 20485.1-2008 Methods for the calibration of vibration and shock transducers - Part 1: Basic concepts
    振动与冲击传感器校准方法 第1部分: 基本概念
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    GB/T 21466.3-2008 Hydrodynamic plain journal bearings under steady-state conditions - Circular cylindrical bearings - Part 3: Permissible operational parameters
    稳态条件下流体动压径向滑动轴承 圆形滑动轴承 第3部分:许用的运行参数
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    GB/T 21461.2-2008 Plastics - Ultra-high-molecular-weight polyethylene (PE-UHMW) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties
    塑料 超高分子量聚乙烯(PE-UHMW)模塑和挤出材料 第2部分: 试样制备和性能测定
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    GB/T 21460.2-2008 Plastics - Styrene/acrylonitrile(SAN) moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties
    塑料 苯乙烯-丙烯腈(SAN)模塑和挤出材料 第2部分: 试样制备和性能测定
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    GB/T 21452-2008 Petroleum products - Determination of particulate content of middle distillate fuels - Laboratory filtration method
    中间馏分燃料颗粒物含量的测定 实验室过滤法
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    GB/T 21445.2-2008 Petroleum and natural gas industries - Design and operation of subsea production systems - Part 2: Flexible pipe systems for subsea and marine applications
    石油天然气工业 海底生产系统的设计和操作 第2部分:用于海底和海上的挠性管系统
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    GB/T 6072.1-2008 Reciprocating internal combustion engines - Performance - Part 1: Declarations of power, fuel and lubricating oil consumptions, and test methods - Additional requirements for engines for general use
    往复式内燃机 性能 第1部分:功率、燃料消耗和机油消耗的标定及试验方法 通用发动机的附加要求
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    GB/T 21406-2008 Internal combustion engines - Engine weight (mass) declaration
    内燃机 发动机的重量(质量)标定
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    GB/T 21400.1-2008 Traveller irrigation machines - Part 1: Operational characteristics and laboratory and field test methods
    绞盘式喷灌机 第1部分:运行特性及实验室和田间试验方法
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    GB/T 21386-2008 ratio pressure reducing
    比例式减压阀
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    GB/T 6113.105-2008 Specification for radio disturbance and immunity measuring apparatus and methods - Part 1-5: Radio disturbance and immunity measuring apparatus - Antenna calibration test sites for 30MHz to 1000MHz
    无线电骚扰和抗扰度测量设备和测量方法规范 第1-5部分: 无线电骚扰和抗扰度测量设备 30MHz~1000MHz天线校准用试验场地
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    GB/T 12959-2008 Test methods for heat of hydration of cement
    水泥水化热测定方法
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    GB/T 8586-2007 The technical requirements of operational frequency distribution and anti-interference of sound for fishfinders
    探鱼仪工作频率分配及其防止声波干扰技术条件
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    GB/T 18522.6-2007 General specification for hydrometric instrument - Part 6 : Inspection regulation, mark, package, transportation,storage and operation manual
    水文仪器通则 第6部分:检验规则及标志、包装、运输、贮存、使用说明书
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    GB/T 17981-2007 Economic operation of air conditioning systems
    空气调节系统经济运行
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    GB/T 4353-2007 Fuel consumption for passenger vehicles in operation
    载客汽车运行燃料消耗量
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    GB/T 4352-2007 Fuel consumption for trucks in operation
    载货汽车运行燃料消耗量
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    GB/T 17189-2007 Code for field measurement of vibrations and pulsation in hydraulic machines (turbines, storage pumps and pump-turbines)
    水力机械(水轮机、蓄能泵和水泵水轮机)振动和脉动现场测试规程
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    GB/T 4854.8-2007 Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tone and circumaural earphones
    声学 校准测听设备的基准零级 第8部分:耳罩式耳机纯音基准等效阈声压级
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    GB/T 21229-2007 Acoustics - Determination of sound power levels of noise from air-terminal devices,air-terminal units,dampers and valves by measurement in a reverberation room
    声学 风道末端装置、末端单元、风道闸门和阀噪声声功率级的混响室测定
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    GB/T 21228.1-2007 Acoustics - Sound-scattering properties of surfaces - Part 1: Measurement of the random-incidence scattering coefficient in a reverberation room
    声学 表面声散射特性 第1部分:混响室中无规入射声散射系数测量
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    GB/T 21190-2007 Paper, board and corrugated fibreboard - Description and calibration of compression-testing equipment
    纸、纸板和瓦楞纸板 压力试验仪的描述与校准
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    GB/T 21198.2-2007 Determination of precious metals in precious metals jewellery alloys - Method using ICP spectrometry - Part 2:Platinum jewellery alloys - Determination of platinum - Method using the intensity ratios of all minor constituents with reference to platinum
    贵金属合金首饰中贵金属含量的测定 ICP光谱法 第2部分:铂合金首饰 铂含量的测定 采用所有微量元素与铂强度比值法
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    GB/T 17954-2007 Economical operation of industrial boilers
    工业锅炉经济运行
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    GB/T 21145-2007 Mechanical transport refrigeration units
    运输用制冷机组
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    GB/T 8419-2007 Earth-moving machinery - Laboratory evaluation of operator seat vibration
    土方机械 司机座椅振动的试验室评价
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    GB/T 17791-2007 Seamless copper tube for air conditioner and refrigeration equipment
    空调与制冷设备用无缝铜管
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    GB/T 21116-2007 Hydraulic vibration generator systems
    液压振动台
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    GB/T 13310-2007 Electrodynamic vibration generator systems
    电动振动台
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    GB/T 13309-2007 Specification for mechanical vibration generator systems
    机械振动台 技术条件
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    GB/T 9725-2007 Chemical reagent - General rule for potentiometric titration
    化学试剂 电位滴定法通则
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    GB/T 8704.6-2007 Ferrovanadium - Determination of silicon content - The sulphuric acid dehydration gravimetric method
    钒铁 硅含量的测定 硫酸脱水重量法
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    GB/T 5687.2-2007 Ferrochromium , silicochromium and nitrogen - bearing ferrochromium - Determination of silicon content - The perchloric acid dehydration gravimetric method
    铬铁、硅铬合金和氮化铬铁 硅含量的测定 高氯酸脱水重量法
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    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
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    GB/Z 6113.403-2007 Specification for radio disturbance and immunity measuring apparatus and methods - Part 4-3:Uncertainties,statistics and limit modelling - Statistical considerations in the determination of EMC compliance of mass-produced
    无线电骚扰和抗扰度测量设备和测量方法规范 第4-3部分:不确定度、统计学和限值建模 批量产品的EMC符合性确定的统计考虑
    China National Standards
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    GB/T 21083-2007 Bank operations - Standard scheme for drawing lists
    银行业务 债券提款单的标准格式
    China National Standards
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    GB/T 14805.9-2007 Electronic data interchange for administration, commerce and transport (EDIFACT) - Application level syntax rules (Syntax version number: 4,Syntax release number:1) - Part 9: Security Key and certificate management message (message type-KEYMAN)
    行政、商业和运输业电子数据交换(EDIFACT)应用级语法规则(语法版本号:4,语法发布号:1) 第9部分: 安全密钥和证书管理报文(报文类型为KEYMAN)
    China National Standards
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    GB/T 14805.8-2007 Electronic data interchange for administration, commerce and transport (EDIFACT) - Application level syntax rules (Syntax version number: 4,Syntax release number:1) - Part 8: Associated data in EDI
    行政、商业和运输业电子数据交换(EDIFACT) 应用级语法规则(语法版本号:4,语法发布号:1) 第8部分: 电子数据交换中的相关数据
    China National Standards
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    GB/T 14805.7-2007 Electronic data interchange for administration, commerce and transport (EDIFACT) - Application level syntax rules (Syntax version number: 4,Syntax release number:1) - Part 7: Security rules for batch EDI (Confidentiality)
    行政、商业和运输业电子数据交换(EDIFACT) 应用级语法规则(语法版本号:4,语法发布号:1) 第7部分: 批式电子数据交换安全规则(保密性)
    China National Standards
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    GB/T 14805.6-2007 Electronic data interchange for administration, commerce and transport (EDIFACT) - Application level syntax rules (Syntax version number: 4,Syntax release number:1) - Part 6: Secure authentication and acknowledgement message(message type - AUTACK)
    行政、商业和运输业电子数据交换(EDIFACT) 应用级语法规则(语法版本号:4,语法发布号:1) 第6部分: 安全鉴别和确认报文(报文类型为AUTACK)
    China National Standards
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    GB/T 14805.5-2007 Electronic data interchange for administration, commerce and transport (EDIFACT) - Application level syntax rules (Syntax version number: 4,Syntax release number:1) - Part 5: Security rules for batch EDI (authenticity, integrity and non-repudiation of
    行政、商业和运输业电子数据交换(EDIFACT) 应用级语法规则(语法版本号:4,语法发布号:1) 第5部分: 批式电子数据交换安全规则(真实性、完整性和源抗抵赖性)
    China National Standards
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