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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 "" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 6498-2008 Test method for Micronaire value of cotton fibers
    棉纤维马克隆值试验方法
    China National Standards

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    GB/T 6497-1986 The general rules of terrestrial solar cell calibration
    地面用太阳电池标定的一般规定
    China National Standards

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    GB/T 6496-1986 The general rules of astronautic solar cell calibration
    航天用太阳电池标定的一般规定
    China National Standards

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    GB/T 6495.9-2006 Photovoltaic devices - Part 9: Solar simulator performance requirements
    光伏器件 第9部分:太阳模拟器性能要求
    China National Standards

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    GB/T 6495.8-2002 Photovoltaic devices--Part 8:Measurement of spectral response of a photovoltaic(PV) device
    光伏器件 第8部分:光伏器件光谱响应的测量
    China National Standards

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    GB/T 6495.7-2006 Photovoltaic devices - Part 7: Computation of spectral mismatch error introduced in the testing of a photovoltaic device
    光伏器件 第7部分:光伏器件测量过程中引起的光谱失配误差的计算
    China National Standards

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    GB/T 6495.5-1997 Photovoltaic devices--Part 5:Determination of the equivalent cell temperature(ECT) of photovoltaic (PV) devices by the open-circuit voltage method
    光伏器件 第5部分:用开路电压法确定光伏(PV)器件的等效电池温度(ECT)
    China National Standards

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    GB/T 6495.4-1996 Procedures for temperature and irradiance corrections to measured I-V characteristics of crystalline silicon photovoltaic devices
    晶体硅光伏器件的I-V实测特性的温度和辐照度修正方法
    China National Standards

    English PDF
    GB/T 6495.3-1996 Photovoltaic devices--Part 3:Measurement principles for terrestrial photovoltaic(PV) solar devices with reference spectral irradiance data
    光伏器件 第3部分:地面用光伏器件的测量原理及标准光谱辐照度数据
    China National Standards

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    GB/T 6495.2-1996 Photovoltaic devices--Part 2:Requirements for reference solar cells
    光伏器件 第2部分:标准太阳电池的要求
    China National Standards

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    GB/T 6495.1-1996 Photovoltaic devices--Part 1:Measurement of photovoltaic current-voltage characteristics
    光伏器件 第1部分:光伏电流-电压特性的测量
    China National Standards

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    GB/T 6495.11-2016 Photovoltaic devices—Part 11: Test method of initial light-induced degradation of crystalline silicon solar cell
    光伏器件 第11部分:晶体硅太阳电池初始光致衰减测试方法
    China National Standards

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    GB/T 6495.10-2012 Photovoltaic devices - Part 10:Methods of linearity measurement
    光伏器件 第10部分:线性特性测量方法
    China National Standards

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    GB/T 6494-1986 Measurement procedures for electrical characteristics of astronautic solar cells
    航天用太阳电池电性能测试方法
    China National Standards

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    GB/T 6492-1986 Astronautic standard solar cell
    航天用标准太阳电池
    China National Standards

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    GB/T 649-1999 Chemical reagent--Potassium bromide
    化学试剂 溴化钾
    China National Standards

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    GB/T 6491-2012 Drying quality of sawn timber
    锯材干燥质量
    China National Standards

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    GB/T 6490-2008 Water-turbine pump
    水轮泵
    China National Standards

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    GB/T 6488-2008 Liquid chemicals - Determination of refrative index at 20℃
    液体化工产品 折光率的测定(20℃)
    China National Standards

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    GB/T 6483-2008 Soft mechanical joint grey cast iron pipe
    柔性机械接口灰口铸铁管
    China National Standards

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    GB/T 6482-2007 Thread extension steel bars for rock drilling
    凿岩用螺纹连接钎杆
    China National Standards

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    GB/T 648-2011 Chemical reagent - Potassium thiocyanate
    化学试剂 硫氰酸钾
    China National Standards

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    GB/T 6481-2002 Hollow hexagonal drill rods with taperd connection for rock drilling
    凿岩用锥体连接中空六角形钎杆
    China National Standards

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    GB/T 6480-2015 Carbide detachable bit for rock drilling
    凿岩用硬质合金钎头
    China National Standards

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    GB/T 6480-2002 Carbide detachable bit for rock drilling
    凿岩用硬质合金钎头
    China National Standards

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    GB/T 6478-2015 Steels for cold heading and cold extruding
    冷镦和冷挤压用钢
    China National Standards

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    GB/T 6478-2001 Steels for cold heading and cold extruding
    冷镦和冷挤压用钢
    China National Standards

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    GB/T 6477-2008 Metal-cutting machine tools - Terminology
    金属切削机床 术语
    China National Standards

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    GB/T 6476-2007 Surface grinding machines with vertical grinding wheel spindle and reciprocating table - Testing of the accuracy
    立轴矩台平面磨床 精度检验
    China National Standards

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    GB/T 6473-1996 Vertical surface broaching machines--Testing of the accuracy
    立式外拉床 精度检验
    China National Standards

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    GB/T 6472-1996 Vertical internal broaching machines--Testing of the accuracy
    立式内拉床 精度检验
    China National Standards

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    GB/T 647-2011 Chemical reagent - Potassium nitrate
    化学试剂 硝酸钾
    China National Standards

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    GB/T 6468-2010 The helix artifact of gear
    齿轮螺旋线样板
    China National Standards

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    GB/T 6467-2010 The involute artifact of gear
    齿轮渐开线样板
    China National Standards

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    GB/T 6466-2008 Electrodeposited chromium coatings - Electrolytic corrosion testing (EC test)
    电沉积铬层 电解腐蚀试验(EC试验)
    China National Standards

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    GB/T 6465-2008 Metallic and other non-organic coatings - Corrodkote corrosion test(CORR test)
    金属和其他无机覆盖层 腐蚀膏腐蚀试验 (CORR试验)
    China National Standards

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    GB/T 6463-2005 Metallic and other inorganic coatings-Review of methods of measurement of thickness
    金属和其它无机覆盖层厚度测量方法评述
    China National Standards

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    GB/T 6462-2005 Metallic and oxide coatings-Measurement of coating thinckness-Microscopical method
    金属和氧化物覆盖层 厚度测量 显微镜法
    China National Standards

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    GB/T 646-2011 Chemical reagent - Potassium chloride
    化学试剂 氯化钾
    China National Standards

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    GB/T 6461-2002 Methodsfor corrosion testing of metallic and other inorganic coatings on metallic substrates--Rating of test specimens and manufactured articles subjected to corrosion tests
    金属基体上金属和其他无机覆盖层 经腐蚀试验后的试样和试件的评级
    China National Standards

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    GB/T 645-2011 Chemical reagent - Potassium chlorate
    化学试剂 氯酸钾
    China National Standards

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    GB/T 6451-2015 Specification and technical requirements for oil-immersd power transformers
    油浸式电力变压器技术参数和要求
    China National Standards

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    GB/T 6447-1986 Rules for abstracts and abstracting
    文摘编写规则
    China National Standards

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    GB/T 6445-2007 Rolling bearings - Needle roller bearing track rollers - Boundary dimensions and tolerances
    滚动轴承 滚轮滚针轴承 外形尺寸和公差
    China National Standards

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    GB/T 6444-2008 Mechanical vibration - Balancing vocabulary
    机械振动 平衡词汇
    China National Standards

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    GB/T 6443-1986 Involute cylindrical gears--Information of the dimensional data to be given on the drawing
    渐开线圆柱齿轮图样上应注明的尺寸数据
    China National Standards

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    GB/T 644-2011 Chemical reagent - Potassium hexacyanoferrate(Ⅲ)
    化学试剂 六氰合铁(Ⅲ)酸钾(铁氰化钾)
    China National Standards

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    GB/T 6441-1986 The classification for casualty accidents of enterprise staff and workers
    企业职工伤亡事故分类
    China National Standards

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    GB/T 6440-2012 Raw goat skin
    山羊板皮
    China National Standards

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    GB/T 6439-2007 Determination of water-soluble chlorides in feeds
    饲料中水溶性氯化物的测定
    China National Standards

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    GB/T 6438-2007 Animal feeding stuffs - Determination of crude ash
    饲料中粗灰分的测定
    China National Standards

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    GB/T 6437-2002 Determination of phosphorus in feed--Spectphoto-metry
    饲料中总磷的测定 分光光度法
    China National Standards

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    GB/T 6436-2002 Determination of calcium in feed
    饲料中钙的测定
    China National Standards

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    GB/T 6435-2014 Determination of moisture in feedstuffs
    饲料中水分的测定
    China National Standards

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    GB/T 6434-2006 Feeding stuffs―Determination of crude fiber content Method with intermediate filtration
    饲料中粗纤维的含量测定 过滤法
    China National Standards

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    GB/T 6433-2006 Determinaiion of crude fat in feeds
    饲料中粗脂肪的测定
    China National Standards

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    GB/T 6432-1994 Method for the determination of crude protein in feedstuffs
    饲料中粗蛋白测定方法
    China National Standards

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    GB/T 643-2008 Chemical reagent - Potassium permanganate
    化学试剂 高锰酸钾
    China National Standards

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    GB/T 6430-1986 The rule of type designation for crystal holders (enclosures)
    晶体盒型号命名方法
    China National Standards

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    GB/T 6429-1986 The rule of type designation for quartz crystalunits
    石英谐振器型号命名方法
    China National Standards

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    GB/T 6428-1995 Methods of the measurement for hydrogen thyratron tubes
    氢闸流管测试方法
    China National Standards

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    GB/T 6427-1999 Test method for frequency temperature stability of piezoelectric ceramic vibrator
    压电陶瓷振子频率温度稳定性的测试方法
    China National Standards

    English PDF
    GB/T 6426-1999 Quasi-static test method for ferroelectric hysteresis loop of ferroelectric ceramics
    铁电陶瓷材料电滞回线的准静态测试方法
    China National Standards

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    GB/T 6425-2008 Nomenclature for thermal analysis
    热分析术语
    China National Standards

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    GB/T 6424-2007 Flat plate solar collectors
    平板型太阳能集热器
    China National Standards

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    GB/T 6422-2009 Testing guide for energy consumption of equipment
    用能设备能量测试导则
    China National Standards

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    GB/T 642-1999 Chemical reagent--Potassium dichromate
    化学试剂 重铬酸钾
    China National Standards

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    GB/T 6420-2004 Freight trailer series pedigree
    货运挂车系列型谱
    China National Standards

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    GB/T 6418-2008 Copper base brazing filler metals
    铜基钎料
    China National Standards

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    GB/T 6417.2-2005 Classification and explanation of imperfections in pressure welded joints
    金属压力焊接头缺欠分类及说明
    China National Standards

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    GB/T 6417.1-2005 Classification and explanation of imperfections in fusion welded joints
    金属熔化焊接头缺欠分类及说明
    China National Standards

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    GB/T 6414-1999 Castings--System of dimensional tolerances and machining allowances
    铸件 尺寸公差与机械加工余量
    China National Standards

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    GB/T 6412-2009 Test method for household coal and stoves
    家庭用煤及炉具试验方法
    China National Standards

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    GB/T 641-2011 Chemical reagent - Potassium peroxydisulfate
    化学试剂 过二硫酸钾(过硫酸钾)
    China National Standards

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    GB/T 6411-2008 A series of size of knitted underwear
    针织内衣规格尺寸系列
    China National Standards

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    GB/T 6409.2-2009 Superabrasives - Diamond or cubic boron nitride grinding tools - Shapes and dimensions
    超硬磨料制品 金刚石或立方氮化硼磨具 形状和尺寸
    China National Standards

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    GB/T 6409.1-1994 Superhard abrasive products and saws--General survey designation
    超硬磨具和锯 形状总览、标记
    China National Standards

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    GB/T 6408-2003 Super abrasive--Cubic boron nitride
    超硬磨料 立方氮化硼
    China National Standards

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    GB/T 6406-1996 Super abrasive--Grain sizes of diamond or cubic boron nitride
    超硬磨料 金刚石或立方氮化硼颗粒尺寸
    China National Standards

    English PDF
    GB/T 6405-1994 Types of synthetic diamond and cubic boron nitride
    人造金刚石和立方氮化硼 品种
    China National Standards

    English PDF
    GB/T 6404.2-2005 Acceptance code for gear units-Part2:Determination of mechanical vibrations of gear units during acceptance testing
    齿轮装置的验收规范 第2部分:验收试验中齿轮装置机械振动的测定
    China National Standards

    English PDF
    GB/T 6404.1-2005 Acceptance code for gear units-Part1:Test code for airborne sound
    齿轮装置的验收规范 第1部分:空气传播噪声的试验规范
    China National Standards

    English PDF
    GB/T 6403.5-2008 Relief grooves for grinding wheels
    砂轮越程槽
    China National Standards

    English PDF
    GB/T 6403.4-2008 Rounding and chamfer of parts
    零件倒圆与倒角
    China National Standards

    English PDF
    GB/T 6403.3-2008 Knurl
    滚花
    China National Standards

    English PDF
    GB/T 6403.2-2008 Lubricating grooves
    润滑槽
    China National Standards

    English PDF
    GB/T 6403.1-2008 Radii of sphere surfaces
    球面半径
    China National Standards

    English PDF
    GB/T 6402-2008 Steel forgings - Method for ultrasonic testing
    钢锻件超声检测方法
    China National Standards

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    GB/T 640-1997 Chemical reagent--Sodium hydrogen carbonate
    化学试剂 碳酸氢钠
    China National Standards

    English PDF
    GB/T 6400-2007 Metallic materials - Shear test method for wires and rivets
    金属材料 线材和铆钉剪切试验方法
    China National Standards

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    GB/T 6398-2000 Standard test method for fatigue crack growth rates of metallic materials
    金属材料疲劳裂纹扩展速率试验方法
    China National Standards

    English PDF
    GB/T 6396-2008 Clad steel plates - Mechanical and technological test
    复合钢板力学及工艺性能试验方法
    China National Standards

    English PDF
    GB/T 6394-2002 Metal-methids for estimating the average grain size
    金属平均晶粒度测定法
    China National Standards

    English PDF
    GB/T 639-2008 Chemical reagent - Sodium carbonate anhydrous
    化学试剂 无水碳酸钠
    China National Standards

    English PDF
    GB/T 6391-2010 Rolling bearings - Dynamic load ratings and rating life
    滚动轴承 额定动载荷和额定寿命
    China National Standards

    English PDF
    GB/T 6390-1986 Colour standard for use in the geological map
    地质图用色标准 比例尺1∶500000~1∶1000000
    China National Standards

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    GB/T 6388-1986 Transport package shipping mark
    运输包装收发货标志
    China National Standards

    English PDF
    GB/T 6384-2008 The testing methods for seawater corrosion in natural environment of metallic materials for ship and offshore structures
    船舶及海洋工程用金属材料在天然环境中的海水腐蚀试验方法
    China National Standards

    English PDF
    GB/T 6383-2009 The method of vibration cavitation erosion test
    振动空蚀试验方法
    China National Standards

    English PDF
    GB/T 638-2007 Chemical reagent - Tin(Ⅱ)Chloride dihydrate
    化学试剂 二水合氯化亚锡(Ⅱ)( 氯化亚锡)
    China National Standards

    English PDF

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