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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 "En" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 8704.7-2009 Ferrovanadium - Determination of phosphorus contEnt - The molybdenum blue photometric method
    钒铁 磷含量的测定 钼蓝分光光度法    		 China National Standards
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    GB/T 8704.3-2009 Ferrovanadium - Determination of sulfur contEnt - The infrared absorption method and the combustion-neutralization titration method
    钒铁 硫含量的测定 红外线吸收法及燃烧中和滴定法    		 China National Standards
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    GB/T 3209-2009 Method for determination the amount of distillation residual of bEnzene－type product
    苯类产品蒸发残留量的测定方法    		 China National Standards
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    GB/T 24243-2009 Chromium ores - IncremEnt sampling
    铬矿石 采取份样    		 China National Standards
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    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
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    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
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    GB/T 24240-2009 Direct reduced iron - Determination of apparEnt density and water absorption of hot briquetted iron (HBI)
    直接还原铁 热压铁块（HBI）表观密度和吸水率的测定    		 China National Standards
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    GB/T 24229-2009 Chromium ores and concEntrates - Determination of aluminium content - Complexometric method
    铬矿石和铬精矿 铝含量的测定 络合滴定法    		 China National Standards
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    GB/T 24228-2009 Chromium ores and concEntrates - Methods of chemical analysis - General instruction
    铬矿石和铬精矿 化学分析方法 通则    		 China National Standards
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    GB/T 24227-2009 Chromium ores and concEntrates - Determination of silicon content - Spectrophotometric method and gravimetric method
    铬矿石和铬精矿 硅含量的测定 分光光度法和重量法    		 China National Standards
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    GB/T 24226-2009 Chromium ores and concEntrates - Determination of calcium contents - Flame atomic absorption spectrometric method
    铬矿石和铬精矿 钙含量的测定 火焰原子吸收光谱法    		 China National Standards
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    GB/T 24225-2009 Chromium ores - Determination of total iron contEnt - Titrimetric method after reduction
    铬矿石 全铁含量的测定 还原滴定法    		 China National Standards
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    GB/T 24224-2009 Chromium ores - Determination of sulfur contEnt - Combustion-neutralization titration method, combustion-potassium iodate titration method and combustion-infrared absorption method
    铬矿石 硫含量的测定 燃烧-中和滴定法、燃烧-碘酸钾滴定法和燃烧-红外线吸收法    		 China National Standards
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    GB/T 24223-2009 Chromium ores - Determination of phosphorus contEnt - Reduced molybdophosphate photometric method
    铬矿石 磷含量的测定 还原磷钼酸盐分光光度法    		 China National Standards
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    GB/T 24221-2009 Chromium ores - Determination of calcium and magnesium contEnts - EDTA titrimetric method
    铬矿石 钙和镁含量的测定 EDTA滴定法    		 China National Standards
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    GB/T 24220-2009 Chromium ores - Determination of hygroscopic moisture contEnt in analytical samples - Gravimetric method
    铬矿石 分析样品中湿存水的测定 重量法    		 China National Standards
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    GB/T 24234-2009 Cast iron - Determination of multi-elemEnt contents - Spark discharge atomic emission spectrometric method (Routine method)
    铸铁 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
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    GB/T 24233-2009 Manganese and chromium ores - ExperimEntal methods for evaluation of quality variation and methods for checking the precision of sampling
    锰矿石和铬矿石 评定品质波动和校核取样精密度的试验方法    		 China National Standards
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    GB/T 24232-2009 Manganese and chromium ores - ExperimEntal methods for checking the bias of sampling and sample preparation
    锰矿石和铬矿石 校核取样和制样偏差的试验方法    		 China National Standards
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    GB/T 24231-2009 Chrome ores - Determination of magnesium, aluminum, silicon, calcium, titanium, vanadium, chrome, manganese, iron and nickel contEnt - Wavelength dispersive X-ray fluorescence spectrometric method
    铬矿石 镁、铝、硅、钙、钛、钒、铬、锰、铁和镍含量的测定 波长色散X射线荧光光谱法    		 China National Standards
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    GB/T 24230-2009 Chromium ores and concEntrates - Determination of chromium content - Titrimetric method
    铬矿石和铬精矿 铬含量的测定 滴定法    		 China National Standards
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    GB/T 14981-2009 DimEnsion，shape，mass and tolerance for hot-rolled round wire rod
    热轧圆盘条尺寸、外形、重量及允许偏差    		 China National Standards
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    GB/T 1429-2009 Carbon materials-determination of the ash contEnt
    炭素材料灰分含量的测定方法    		 China National Standards
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    GB/T 24262-2009 Environmental tests and reliability for petroleum geophysical exploration instrument
    石油物探仪器环境试验及可靠性要求    		 China National Standards
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    GB/T 24258-2009 Petroleum and natural gas industries - ContEnt and drafting of a technical specification
    石油天然气工业 技术规范的内容与编写    		 China National Standards
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    GB/T 24257-2009 Petroleum and natural gas industries - ContEnt and drafting of a functional specification
    石油天然气工业 功能规范的内容与编写    		 China National Standards
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    GB/T 24256-2009 GEneral principle and requirements of eco-design for products
    产品生态设计通则    		 China National Standards
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    GB/T 24062-2009 Environmental management - Integrating environmental aspects into product design and development
    环境管理 将环境因素引入产品的设计和开发    		 China National Standards
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    GB/T 24025-2009 Environmental labels and declaration - Type III environmental declarations - principles and procedures
    环境标志和声明 III型环境声明 原则和程序    		 China National Standards
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    GB 24188-2009 Quality of sludge from municipal wastewater treatmEnt plant
    城镇污水处理厂污泥泥质    		 China National Standards
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    GB/T 8721-2009 Method for the determination of tEnsile strength of carbonaceous materials
    炭素材料抗拉强度测定方法    		 China National Standards
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    GB/T 8719-2009 GEneral rule for packing,marking,storage,transport and quality certificates of carbonaceous material and products
    炭素材料及其制品的包装、标志、储存、运输和质量证明书的一般规定    		 China National Standards
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    GB/T 8704.1-2009 Ferrovanadium - Determination of carbon contEnt - The infrared absorption method and the gasometric method
    钒铁 碳含量的测定 红外线吸收法及气体容量法    		 China National Standards
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    GB/T 8039-2009 BEnzol products of coal carbonization-determination of total sulphur content-reduction and spectrophotometric method
    焦化苯类产品全硫含量的还原分光光度测定方法    		 China National Standards
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    GB/T 8038-2009 ToluEne of coal carbonization-determination of hydrocarbon impurities gas chromatographic method
    焦化甲苯中烃类杂质的气相色谱测定方法    		 China National Standards
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    GB/T 8035-2009 BEnzol products of coal carbonization-determination of acid wash test
    焦化苯类产品酸洗比色的测定方法    		 China National Standards
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    GB/T 8034-2009 BEnzol products of coal carbonization-corrosiveness to copper-copper strip test
    焦化苯类产品铜片腐蚀的测定方法    		 China National Standards
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    GB/T 8033-2009 BEnzol products of coal carbonization-determination of boiling range
    焦化苯类产品馏程的测定方法    		 China National Standards
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    GB/T 5953.2-2009 Steel wire for cold heading and cold forging - Part 2: Not intEnded for heat treatment
    冷镦钢丝 第2部分：非热处理型冷镦钢丝    		 China National Standards
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    GB/T 5953.1-2009 Steel wire for cold heading and cold forging - Part 1: IntEnded for heat treatment
    冷镦钢丝 第1部分：热处理型冷镦钢丝    		 China National Standards
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    GB/T 4701.8-2009 Ferrovanadium - Determination of carbon contEnt - The infrared absorption method
    钛铁 碳含量的测定 红外线吸收法    		 China National Standards
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    GB/T 4701.7-2009 Ferrotitanium - Determination of phosphorus contEnt - Molybdobismuthylphosphoric blue spectrophotometric method and the molybdenum blue spectrophotometric method
    钛铁 磷含量的测定 铋磷钼蓝分光光度法和钼蓝分光光度法    		 China National Standards
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    GB/T 4701.3-2009 Ferrotitanium - Determination of copper contEnt - The DDTC photometric method and the flame atomic absorption spectrometric method
    钛铁 铜含量的测定 铜试剂光度法和火焰原子吸收光谱法    		 China National Standards
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    GB/T 4701.2-2009 Ferrotitanium - Determination of silicon contEnt - The sulphuric acid dehydration gravimetric method
    钛铁 硅含量的测定 硫酸脱水重量法    		 China National Standards
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    GB/T 3710-2009 Method of determination for crystallizing point of technical phEnol and phenic acid
    工业酚、苯酚结晶点测定方法    		 China National Standards
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    GB/T 3208-2009 Standard test method for the total tulfur tontEnt in tenzene - Type products by oxidative microcoulometry
    苯类产品总硫含量的微库仑测定方法    		 China National Standards
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    GB/T 2600-2009 Coking xylEnol
    焦化二甲酚    		 China National Standards
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    GB/T 24214-2009 Quick determination method of water contEnt in coal tar
    煤焦油水分快速测定方法    		 China National Standards
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    GB/T 24213-2009 GEneral rules for original position statistic distribution analysis method
    金属原位统计分布分析方法通则    		 China National Standards
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    GB/T 24212-2009 MethylnaphthalEne oil
    甲基萘油    		 China National Standards
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    GB/T 24211-2009 AnthracEne oil
    蒽油    		 China National Standards
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    GB/T 24208-2009 Determination of the naphthalEne content of washing oil
    洗油萘含量的测定方法    		 China National Standards
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    GB/T 24207-2009 Determination of the phEnol content of washing oil
    洗油酚含量的测定方法    		 China National Standards
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    GB/T 24205-2009 Iron ores fines - Method for presEntation the results of sintering test
    铁矿粉 烧结试验结果表示方法    		 China National Standards
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    GB/T 24203-2009 Carbon materials - Determination of the true dEnsity or true poroous-boiling method
    炭素材料真密度、真气孔率测定方法 煮沸法    		 China National Standards
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    GB/T 24202-2009 Carbon steel wire for optical fiber cable tEnsion members
    光缆增强用碳素钢丝    		 China National Standards
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    GB/T 24200-2009 Determination of phEnol and homologues contents of crude phenol
    粗酚中酚及同系物含量的测定方法    		 China National Standards
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    GB/T 24199-2009 Refined pyridine - Determination of pyridine contEnt - Gas chromatographic method
    纯吡啶中吡啶含量的气相色谱测定方法    		 China National Standards
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    GB/T 24198-2009 Ferronickel - Determination of nickel, silicon, phosphorus, manganese, cobalt, chromium, and copper contEnts - Wavelength dispersive X-ray fluorescence spectrometry（Routine method）
    镍铁 镍、硅、磷、锰、钴、铬和铜含量的测定 波长色散X-射线荧光光谱法(常规法)    		 China National Standards
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    GB/T 24197-2009 Manganese ores - Determination of iron，silicon，aluminium，calcium，barium，magnesium，potassium，copper，nickel，zinc，phosphorus，cobalt，chromium，vanadium，arsEnic，lead，titanium and vanadium - Inductively coupled plasma atomic emiss
    锰矿石 铁、硅、铝、钙、钡、镁、钾、铜、镍、锌、磷、钴、铬、钒、砷、铅和钛含量的测定 电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 24196-2009 Corrosion of metals and alloys - Electrochemical test methods - Guidelines for conducting potEntiostatic and potentiodynamic polarization measurements
    金属和合金的腐蚀 电化学试验方法 恒电位和动电位极化测量导则    		 China National Standards
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    GB/T 24194-2009 Ferrosilicon - Determination of aluminium, calcium, manganese, chromium, titanium, copper, phosphorus and nickel contEnt - Inductively coupled plasma atomic emission spectrometric method
    硅铁 铝、钙、锰、铬、钛、铜、磷和镍含量的测定 电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 24193-2009 Chromium ores and concEntrates - Determination of aluminium, iron , magnesium and silicon content - Inductively coupled plasma atomic emission spectrometry
    铬矿石和铬精矿 铝、铁、镁和硅含量的测定 电感耦合等离子体原子发射光谱法    		 China National Standards
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    GB/T 2284-2009 Coking tolouEnl
    焦化甲苯    		 China National Standards
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    GB/T 14327-2009 Determination of thiophEne content in benzene
    苯中噻吩含量的测定方法    		 China National Standards
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    GB/T 14326-2009 Determination of carbon disulfide contEnt in benzene
    苯中二硫化碳含量的测定方法    		 China National Standards
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    GB/T 1431-2009 Carbon materials-determination of the compressive strEngth
    炭素材料耐压强度测定方法    		 China National Standards
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    GB/T 50510-2009 Technical code for rEnewal and renovation of pumping station
    泵站更新改造技术规范    		 China National Standards
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    GB/T 24186-2009 High strEngth abrasion resistant steel plates for construction machine
    工程机械用高强度耐磨钢板    		 China National Standards
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    GB/T 24185-2009 Test method for measuremEnt of hydrogen embrittlement threshold in steel by the incremental step loading method
    逐级加力法测定钢中氢脆临界值试验方法    		 China National Standards
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    GB/T 24179-2009 Metallic materials - Residual stress determination - The indEntation strain-gage method
    金属材料 残余应力测定 压痕应变法    		 China National Standards
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    GB/T 24174-2009 Steel - Determination of Bake-HardEning-Index (BH2)
    钢 烘烤硬化值（BH2）的测定方法    		 China National Standards
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    GB/T 24173-2009 Steel sheets - Secondary work embrittlemEnt testing method
    钢板 二次加工脆化试验方法    		 China National Standards
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    GB/T 24172-2009 Method for evaluation of tEnsile properties of metallic superplastic materials
    金属超塑性材料拉伸性能测定方法    		 China National Standards
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    GB/T 24171.1-2009 Metallic materials - Sheet and strip - Determination of forming limit curves - Part 1: MeasuremEnt and application of forming limit diagrams in press shop
    金属材料 薄板和薄带 成形极限曲线的测定 第1部分：冲压车间成形极限图的测量及应用    		 China National Standards
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    GB/T 24168-2009 Determination of the contEnt of phthalate in textile dyeing and finishing auxiliaries
    纺织染整助剂产品中邻苯二甲酸酯的测定    		 China National Standards
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    GB/T 24167-2009 Determination of the contEnt of polychloriznated toluenes in dye products
    染料产品中氯化甲苯的测定    		 China National Standards
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    GB/T 24166-2009 Determination of the contEnt of chlorinated phenols in dye products
    染料产品中含氯苯酚的测定    		 China National Standards
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    GB/T 24165-2009 Determination of the contEnt of polychlorinated biphenyls in dye products
    染料产品中多氯联苯的测定    		 China National Standards
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    GB/T 24164-2009 Determination of the contEnt of polychloriznated benzenes in dye products
    染料产品中多氯苯的测定    		 China National Standards
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    GB/T 16270-2009 High strEngth structural steel plates in the quenched and tempered condition
    高强度结构用调质钢板    		 China National Standards
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    GB/T 15006-2009 GEneral rules of dimensions，shape,surface quality, test method and inspection for elastic alloys
    弹性合金的尺寸、外形、表面质量、试验方法和检验规则的一般规定    		 China National Standards
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    GB 15382-2009 GEneral specifications of gas cylinder valves
    气瓶阀通用技术要求    		 China National Standards
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    GB 13591-2009 Rules for the filling of dissolved acetylEne cylinders
    溶解乙炔气瓶充装规定    		 China National Standards
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    GB 13076-2009 Periodic inspection and evaluation of dissolved acetylEne gas cylinders
    溶解乙炔气瓶定期检验与评定    		 China National Standards
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    GB 10879-2009 Valves for dissolved acetylEne cylinders
    溶解乙炔气瓶阀    		 China National Standards
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    GB/T 24158-2009 Electric motorcycles and electric mopeds - GEneral specifications
    电动摩托车和电动轻便摩托车通用技术条件    		 China National Standards
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    GB/T 24157-2009 Electric motorcycles and electric mopeds - Energy consumption and range - Test procedures
    电动摩托车和电动轻便摩托车能量消耗率和续驶里程试验方法    		 China National Standards
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    GB 8982-2009 OxygEn supplies for medicine and aircraft breathing
    医用及航空呼吸用氧    		 China National Standards
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    GB 15258-2009 GEneral rules for preparation of precautionary label for chemicals
    化学品安全标签编写规定    		 China National Standards
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    GB 13690-2009 GEneral rule for classification and hazard communication of chemicals
    化学品分类和危险性公示 通则    		 China National Standards
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    GB 12463-2009 GEneral specifications for transport packages of dangerous goods
    危险货物运输包装通用技术条件    		 China National Standards
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    GB/T 4802.4-2009 Textiles - Determination of fabric propEnsity to surface fuzzing and to pilling - Part 4: Random rolling method
    纺织品 织物起毛起球性能的测定 第4部分：随机翻滚法    		 China National Standards
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    GB/T 4743-2009 Textiles - Yarn from packages - Determination of linear dEnsity(mass per unit length) by the skein methord
    纺织品 卷装纱 绞纱法线密度的测定    		 China National Standards
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    GB/T 3292.2-2009 Textiles - UnevEnness of textile strands - Part 2: Photoelectricity method
    纺织品 纱线条干不匀试验方法 第2部分：光电法    		 China National Standards
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    GB/T 24277-2009 A method for assessing the short-circuit withstand strEngth of partially type-tested assemblies (PTTA)
    评估部分型式试验成套设备（PTTA）短路耐受强度的一种方法    		 China National Standards
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    GB/T 24276-2009 A method of temperature-rise assessmEnt by extrapolation for partially type-tested assemblies (PTTA) of low-voltage switchgear and controlgear
    评估部分型式试验的低压成套开关设备和控制设备（PTTA）温升的外推法    		 China National Standards
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    GB/T 24275-2009 Low-voltage fixed connection Enclosed switchgear and controlgear assemblies
    低压固定封闭式成套开关设备和控制设备    		 China National Standards
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    GB/T 24271-2009 Specification for strip componEnt of thermostat metals
    热双金属条形元件技术条件    		 China National Standards
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    GB/T 24270-2009 Method of measuremEnt of temperature coefficient of magnetic properties of permanent magnetic materials
    永磁材料磁性能温度系数测量方法    		 China National Standards
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