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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. |
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GB/T 44931-2024 |
Nanotechnology - Preparation of Metal nanoparticles in inhalation toxicity studies - Evaporation-condensation method 纳米技术-吸入毒性研究中金属纳米颗粒制备-蒸发-冷凝法 |
China National Standards Meta |
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GB/T 45108-2024 |
Recycled platinum group Metal raw materials 再生铂族金属原料 |
China National Standards Meta |
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GB/T 12690.20-2024 |
Chemical analysis methods for non-rare earth impurities in rare earth Metals and their oxides-Part 20: Determination of trace fluorine and chlorine in rare earth oxides-Ion chromatography 稀土金属及其氧化物中非稀土杂质化学分析方法-第20部分:稀土氧化物中微量氟、氯的测定-离子色谱法 |
China National Standards Meta |
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GB/T 44922-2024 |
Additive manufacturing Manufacturing-Identification Principles-Qualification of Operators of Metal Laser Powder Bed Melting Equipment for Aerospace 增材制造-鉴定原则-航空航天用金属激光粉末床熔融设备操作人员资格鉴定 |
China National Standards Meta |
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GB/T 44948-2024 |
Requirements and evaluation of Metal streamline sampling of steel die forgings 钢质模锻件金属流线取样要求及评定 |
China National Standards Meta |
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GB/T 44969-2024 |
Methods for eliminating Metal ions in water-soluble extracts of agricultural products-ion exchange method 农产品水溶性提取物中金属离子消除方法-离子交换法 |
China National Standards Meta |
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GB 4234.3-2024 |
Surgical implants - Metallic materials - Part 3: Forged titanium-6 aluminum-4 vanadium alloy 外科植入物-金属材料-第3部分:锻造钛-6铝-4钒合金 |
China National Standards Meta |
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GB 4234.7-2024 |
Surgical implants - Metallic materials - Part 7: Forged and cold worked cobalt-chromium-nickel-molybdenum-iron alloys 外科植入物-金属材料-第7部分:可锻和冷加工的钴-铬-镍-钼-铁合金 |
China National Standards Meta |
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GB 4234.2-2024 |
Surgical implants -Metallic materials - Part 2: Pure titanium 外科植入物-金属材料-第2部分:纯钛 |
China National Standards Meta |
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GB 4234.12-2024 |
Surgical implants - Metallic materials - Part 12: Forged cobalt-chromium-molybdenum alloys 外科植入物-金属材料-第12部分:锻造钴-铬-钼合金 |
China National Standards Meta |
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GB/T 21838.2-2022 |
Metallic materials - Instrumented indentation tests for hardness and material parameters - Part 2: Inspection and calibration of testing machines 金属材料-硬度和材料参数的仪器化压入试验-第2部分:试验机的检验和校准 |
China National Standards Meta |
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GB/T 3325-2024 |
General technical conditions for Metal furniture 金属家具通用技术条件 |
China National Standards Meta |
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GB/T 44849-2024 |
Microelectromechanical system (MEMS) technology-Method for measuring the forming limit of Metal film materials 微机电系统(MEMS)技术-金属膜材料成形极限测量方法 |
China National Standards Meta |
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GB/T 13397-2024 |
Technical Specifications for Silver Metal Oxide Electrical Contacts by Internal Oxidation of Alloys 合金内氧化法银金属氧化物电触头技术规范 |
China National Standards Meta |
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GB/T 26871-2024 |
Metallographic Test Methods for Electrical Contact Materials 电触头材料金相试验方法 |
China National Standards Meta |
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GB/T 3488.1-2024 |
Hard alloys-Metallographic determination of microstructure-Part 1: Metallographic photos and descriptions 硬质合金-显微组织的金相测定-第1部分:金相照片和描述 |
China National Standards Meta |
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GB/T 21477-2024 |
Ships and offshore technology - Fire resistance of non-Metallic hose assemblies and non-metallic compensators - Test methods 船舶与海上技术-非金属软管组件和非金属补偿器的耐火性能-试验方法 |
China National Standards Meta |
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GB/T 21476-2024 |
Ships and offshore technology - Fire resistance of non-Metallic hose assemblies and non-metallic compensators - Test bench requirements 船舶与海上技术-非金属软管组件和非金属补偿器的耐火性能-试验台要求 |
China National Standards Meta |
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GB/T 41079.3-2024 |
Methods for determination of physical properties of liquid Metals - Part 3: Determination of viscosity 液态金属物理性能测定方法-第3部分:黏度的测定 |
China National Standards Meta |
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GB/T 12690.21-2024 |
Chemical analysis methods for non-rare earth impurities in rare earth Metals and their oxides-Part 21: Determination of sulfate content in rare earth oxides-Barium sulfate turbidimetry 稀土金属及其氧化物中非稀土杂质化学分析方法-第21部分:稀土氧化物中硫酸根含量的测定-硫酸钡比浊法 |
China National Standards Meta |
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GB/T 44827-2024 |
Molecular in vitro diagnostic tests - Specifications for pre-testing processes for urine, venous serum and plasma Metabolomics 分子体外诊断检验-尿液、静脉血清和血浆代谢组学检验前过程的规范 |
China National Standards Meta |
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GB/T 23444-2024 |
Metal and metal composite ceiling panels 金属及金属复合材料吊顶板 |
China National Standards Meta |
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GB/T 44748.1-2024 |
Screening test-Part 1: Methods using Metal wire mesh and metal perforated plate test sieves 筛分试验-第1部分:使用金属丝编织网和金属穿孔板试验筛的方法 |
China National Standards Meta |
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GB/T 44764-2024 |
Petroleum, petrochemical and natural gas industries - Metal materials resistant to sulfide stress cracking in corrosive petroleum refining environments 石油、石化和天然气工业-腐蚀性石油炼制环境中抗硫化物应力开裂的金属材料 |
China National Standards Meta |
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GB/T 21220-2024 |
Soft magnetic Metal materials 软磁金属材料 |
China National Standards Meta |
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GB/T 44649-2024 |
Nickel-Metal hydride batteries and modules for electric road vehicles - Safety requirements 电动道路车辆用镍氢电池和模块-安全要求 |
China National Standards Meta |
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GB/T 26050-2024 |
Cemented carbide - Determination of Metallic element content - X-ray fluorescence spectrometry 硬质合金-金属元素含量的测定-X射线荧光光谱法 |
China National Standards Meta |
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GB/T 44648-2024 |
Determination of adhesion properties of Metallized layers of planar electromagnetic shielding materials 平面型电磁屏蔽材料镀金属层附着性能的测定 |
China National Standards Meta |
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GB/T 7991.10-2024 |
Test methods for glass-lined layers - Part 10: Determination and limits of heavy Metal ion dissolution from glass-lined layers of glass-lined equipment for production and storage of food 搪玻璃层试验方法-第10部分:生产和贮存食品的搪玻璃设备搪玻璃层中重金属离子溶出量的测定和限值 |
China National Standards Meta |
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GB/T 44524-2024 |
Additive manufacturing - porosity of Metal parts - industrial computer tomography (CT) detection method 增材制造-金属制件孔隙率-工业计算机层析成像(CT)检测方法 |
China National Standards Meta |
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GB/T 44491.1-2024 |
Geographic information - Preservation of digital data and Metadata - Part 1 Division: Basics 地理信息-数字数据和元数据保存-第1部分:基础 |
China National Standards Meta |
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GB/T 6003.2-2024 |
Test sieves - technical requirements and inspections - Part 2: Metal perforated plate test sieves 试验筛-技术要求和检验-第2部分:金属穿孔板试验筛 |
China National Standards Meta |
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GB/T 44557-2024 |
Refrigeration systems and heat pumps - flexible piping elements and non-Metallic pipe fittings - requirements and classification 制冷系统及热泵-挠性管道元件和非金属管件-要求和分类 |
China National Standards Meta |
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GB/T 39316.4-2024 |
General resources for military and civilian use - Metadata - Part 4: - Equipment - sanitary equipment 军民通用资源-元数据-第4部分:-器材类-卫生器材 |
China National Standards Meta |
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GB/T 44560-2024 |
Metallurgical composite oil pipes for petroleum and natural gas industry 石油天然气工业用冶金复合油管 |
China National Standards Meta |
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GB/T 21974-2024 |
YZRW series eddy current brake windings for hoisting and Metallurgy Linear rotor three-phase asynchronous motor-Technical specification (frame size 112~315) YZRW系列起重及冶金用涡流制动绕线转子三相异步电动机-技术规范(机座号112~315) |
China National Standards Meta |
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GB/T 17727-2024 |
Non-Metallic gaskets for marine flanges 船用法兰非金属垫片 |
China National Standards Meta |
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GB/T 44302-2024 |
Carbon fiber reinforced plastic and Metal assemblies - Determination of tensile lap shear strength 碳纤维增强塑料和金属组合件-拉伸搭接剪切强度的测定 |
China National Standards Meta |
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GB/T 44237-2024 |
Packaging, marking, transportation and storage of Metal powders for additive manufacturing 增材制造用金属粉末的包装、标志、运输和贮存 |
China National Standards Meta |
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GB/T 44399-2024 |
Mobile Metal hydride reversible hydrogen storage and release system 移动式金属氢化物可逆储放氢系统 |
China National Standards Meta |
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GB/T 18876.2-2024 |
Standard test methods for Metallographic structure, inclusion content and grade in steel and other metals using automatic image analysis - Part 2: Image analysis and stereological determination of inclusion grade in steel 应用自动图像分析测定钢和其他金属中金相组织、夹杂物含量和级别的标准试验方法-第2部分:钢中夹杂物级别的图像分析与体视学测定 |
China National Standards Meta |
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GB/T 18876.1-2024 |
Standard test methods for Metallographic structure, inclusion content and grade in steel and other metals using automatic image analysis - Part 1: Image analysis and stereological determination of inclusion or second phase content in steel and other metals 应用自动图像分析测定钢和其他金属中金相组织、夹杂物含量和级别的标准试验方法-第1部分:钢和其他金属中夹杂物或第二相组织含量的图像分析与体视学测定 |
China National Standards Meta |
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GB/T 23950-2024 |
General method for determination of heavy Metals in inorganic chemical products 无机化工产品中重金属测定通用方法 |
China National Standards Meta |
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GB/T 44194-2024 |
Additive manufacturing-Technical specifications for Metal powder reuse 增材制造-金属粉末再利用技术规范 |
China National Standards Meta |
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GB/T 24578-2024 |
Determination of Metal contamination on the surface of semiconductor chips-Total reflection X-ray fluorescence spectrometry 半导体晶片表面金属沾污的测定-全反射X射线荧光光谱法 |
China National Standards Meta |
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GB/T 44154-2024 |
Metallic and other inorganic coatings-Marking requirements for metal and inorganic coatings 金属及其他无机覆盖层-金属及无机覆盖层标识要求 |
China National Standards Meta |
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GB/T 44150-2024 |
Metallic and other inorganic coatings-Zinc and nickel, cobalt or iron alloy electroplating layers 金属及其他无机覆盖层-锌与镍、钴或铁合金电镀层 |
China National Standards Meta |
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GB/T 14034.3-2024 |
Hydraulic transmission connections - Metallic pipe joints - Part 3 Part: End seal 液压传动连接-金属管接头-第3部分:端面密封 |
China National Standards Meta |
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GB/T 9799-2024 |
Metallic and other inorganic coatings - Treated zinc electroplated coatings on steel 金属及其他无机覆盖层-钢铁上经过处理的锌电镀层 |
China National Standards Meta |
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GB/T 5270-2024 |
Metallic coatings on metal substrates - Electrodeposited and chemically deposited layers - Review of adhesion strength test methods 金属基体上的金属覆盖层-电沉积和化学沉积层-附着强度试验方法评述 |
China National Standards Meta |
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GB-14585-2024 |
Technical regulations for radiation environment management of radioactive waste from uranium mining and Metallurgy 铀矿冶放射性废物辐射环境管理技术规定 |
China National Standards Meta |
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GB/T 44046-2024 |
Non-destructive testing-Metal magnetic memory-Weld joint detection 无损检测-金属磁记忆-焊接接头检测 |
China National Standards Meta |
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GB/T 44030-2024 |
Metallic materials-High temperature compression test methods 金属材料-高温压缩试验方法 |
China National Standards Meta |
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GB/T 2039-2024 |
Metallic materials-Uniaxial tensile creep test method 金属材料-单轴拉伸蠕变试验方法 |
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GB/T 18449.1-2024 |
Metallic materials-Knoop hardness test-Part 1:-Test method 金属材料-努氏硬度试验-第1部分:-试验方法 |
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GB/T 4340.1-2024 |
Metallic materials-Vickers hardness test-Part 1:-Test method 金属材料-维氏硬度试验-第1部分:-试验方法 |
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GB/T 18802.331-2024 |
Low voltage surge protector components - Part 331: Performance requirements and test methods for Metal oxide varistors (MOVs) 低压电涌保护器元件-第331部分:金属氧化物压敏电阻(MOV)的性能要求和试验方法 |
China National Standards Meta |
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GB-44017-2024 |
Metal sheathed hose for connection of gas appliances 燃气用具连接用金属包覆软管 |
China National Standards Meta |
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GB/T 12690.12-2024 |
Non-rare earth impurities in rare earth Metals and their oxides - Chemical analysis methods - Part 12: Determination of thorium and uranium content - Inductively coupled plasma mass spectrometry 稀土金属及其氧化物中非稀土杂质-化学分析方法-第12部分:钍、铀量的测定-电感耦合等离子体质谱法 |
China National Standards Meta |
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GB/T 12916-2024 |
Technical requirements for marine Metal propellers 船用金属螺旋桨技术条件 |
China National Standards Meta |
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GB/T 43883-2024 |
Microbeam analysis - analytical electron microscopy - determination method of the number density of nanoparticles in Metals 微束分析-分析电子显微术-金属中纳米颗粒数密度的测定方法 |
China National Standards Meta |
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GB/T 43884-2024 |
Metallic coatings - Zinc for steel parts Diffusion layer - zinc infiltration - technical requirements 金属覆盖层-钢铁制件的锌扩散层-渗锌-技术要求 |
China National Standards Meta |
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GB/T 43891-2024 |
Non-Metallic chemical equipment - Test method for heat transfer coefficient and flow resistance performance of impermeable graphite heat exchangers 非金属化工设备-不透性石墨换热器传热系数和流阻性能测试方法 |
China National Standards Meta |
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GB/T 43896-2024 |
Metallic materials - Ultra-high cycle fatigue - Ultrasonic fatigue test methods 金属材料-超高周疲劳-超声疲劳试验方法 |
China National Standards Meta |
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GB/T 43906-2024 |
Quality requirements for brazing of Metallic materials 金属材料硬钎焊质量要求 |
China National Standards Meta |
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GB/T 43933-2024 |
Technical specifications for land reclamation and ecological restoration of Metal mines 金属矿土地复垦与生态修复技术规范 |
China National Standards Meta |
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GB/T 43754-2024 |
Rotary friction welding of Metal materials 金属材料的旋转摩擦焊 |
China National Standards Meta |
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GB/T 43800-2024 |
Marine electrical and electronic equipment-electromagnetic compatibility-non-Metallic ships 船舶电气与电子装置-电磁兼容性-非金属船舶 |
China National Standards Meta |
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GB/T 43763-2024 |
Aerospace functional coating-Special non-Metallic material metal coating 航天功能镀覆层-特种非金属材料金属镀层 |
China National Standards Meta |
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GB/T 43765-2024 |
Aerospace functional coating-Partial reinforced Metal matrix composite welding coating 航天功能镀覆层-颗粒增强金属基复合材料焊接镀覆层 |
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GB/T 43753.4-2024 |
Chemical analysis methods for precious Metal alloy electroplating wastewater - Part 4: Determination of chloride ion content - silver chloride turbidity method 贵金属合金电镀废水化学分析方法-第4部分:氯离子含量的测定-氯化银浊度法 |
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GB/T 43753.3-2024 |
Chemical analysis methods for precious Metal alloy electroplating wastewater-Part 3: Sulfate content Determination of - barium sulfate gravimetric method 贵金属合金电镀废水化学分析方法-第3部分:硫酸盐含量的测定-硫酸钡重量法 |
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GB/T 43753.2-2024 |
Chemical analysis methods for precious Metal alloy electroplating wastewater-Part 2: Determination of zinc, manganese, chromium, cadmium, lead, iron, aluminum, nickel, copper and beryllium content-Inductively coupled plasma atomic emission spectrometry 贵金属合金电镀废水化学分析方法-第2部分:锌、锰、铬、镉、铅、铁、铝、镍、铜、铍含量的测定-电感耦合等离子体原子发射光谱法 |
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GB/T 43753.1-2024 |
Chemical analysis methods for precious Metal alloy electroplating wastewater-Part 1: Determination of gold, silver, platinum, palladium and iridium content-Inductively coupled plasma atomic emission spectrometry 贵金属合金电镀废水化学分析方法-第1部分:金、银、铂、钯、铱含量的测定-电感耦合等离子体原子发射光谱法 |
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GB/T 232-2024 |
Metallic materials - Bend test method 金属材料-弯曲试验方法 |
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GB/T 43659-2024 |
Metallic and other inorganic coatings-electrodeposited nickel-ceramic composite coatings 金属及其他无机覆盖层-电沉积镍-陶瓷复合镀层 |
China National Standards Meta |
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GB/Z 43728.1-2024 |
External series gap Metal oxide arresters (EGLA) for overhead transmission and distribution lines above 1-kV AC 电力系统管理及其信息交换-第1部分:参考架构 |
China National Standards Meta |
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GB/T 42791-2024 |
Corrosion of Metals and Alloys - Electrochemical Guidelines for noise measurement corrosion test 航空用铝合金锻件通用技术规范 |
China National Standards Meta |
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GB/T 19720-2024 |
Jewelry and precious Metals - Determination of palladium content - dimethylglyoxime gravimetric method 首饰和贵金属-铂、钯含量的测定-氯化铵重量法和丁二酮肟重量法 |
China National Standards Meta |
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GB/T 20478-2024 |
Jewelry and precious Metals - Determination of platinum and palladium content - Ammonium chloride gravimetric method and dimethylglyoxime gravimetric method 植物检疫术语 |
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GB/T 22084.2-2024 |
Batteries and batteries containing alkaline or other non-acid electrolytes - Portable sealed batteries and batteries - Part 2: Nickel Metal hydride batteries 含碱性或其他非酸性电解质的蓄电池和蓄电池组-便携式密封蓄电池和蓄电池组-第2部分:金属氢化物镍电池 |
China National Standards Meta |
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GB/T 43673-2024 |
Non-Metallic cable-laid composite continuous oil pipe 非金属敷缆复合连续油管 |
China National Standards Meta |
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GB/T 43628-2023 |
Metagenomic sequencing and identification method of airborne pathogenic microorganisms 空气中病原微生物宏基因组测序鉴定方法 |
China National Standards Meta |
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GB/T 43622-2023 |
Meteorological observation data aggregation Metadata 气象观测资料汇交元数据 |
China National Standards Meta |
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GB/T 43615-2023 |
Additive manufacturing Ultrasonic testing method of directed energy deposition Metal forming parts 增材制造 定向能量沉积金属成形件超声检测方法 |
China National Standards Meta |
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GB/T 43614-2023 |
Additive Manufacturing Metal Powder Directional Energy Deposition Equipment Laser Cladding Head Test Method 增材制造 金属粉末定向能量沉积设备激光熔覆头测试方法 |
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GB/T 43611-2023 |
Gallium-based liquid Metal thermal interface materials 镓基液态金属热界面材料 |
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GB/T 43604.1-2023 |
Methods for chemical analysis of gallium-based liquid Metals Part 1: Determination of lead, cadmium, mercury and arsenic contents Inductively coupled plasma mass spectrometry 镓基液态金属化学分析方法 第1部分:铅、镉、汞、砷含量的测定 电感耦合等离子体质谱法 |
China National Standards Meta |
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GB/T 43574-2023 |
Chemical fiber Determination of heavy Metal content Inductively coupled plasma optical emission spectrometry and inductively coupled plasma mass spectrometry 化学纤维 重金属含量的测定 电感耦合等离子体发射光谱法和电感耦合等离子体质谱法 |
China National Standards Meta |
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GB/T 43569-2023 |
Jewelry and Precious Metals Sampling of Precious Metals and Their Alloys 首饰和贵金属 贵金属及其合金的取样 |
China National Standards Meta |
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GB/T 43548-2023 |
Determination of Metal element content in surfactants and detergents 表面活性剂和洗涤剂中金属元素含量的测定 |
China National Standards Meta |
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GB/T 43538-2023 |
Quality technical requirements for integrated circuit Metal packaging casing 集成电路金属封装外壳质量技术要求 |
China National Standards Meta |
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GB/T 43479-2023 |
Metal spinning forming performance and test methods Forming performance, forming indicators and general test procedures 金属旋压成形性能与试验方法 成形性能、成形指标及通用试验规程 |
China National Standards Meta |
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GB/T 32151.14-2023 |
Carbon emission accounting and reporting requirements Part 14: Other non-ferrous Metal smelting and rolling processing enterprises 碳排放核算与报告要求 第14部分:其他有色金属冶炼和压延加工企业 |
China National Standards Meta |
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GB/T 28547-2023 |
Guidelines for Selection and Use of AC Metal Oxide Surge Arresters 交流金属氧化物避雷器选择和使用导则 |
China National Standards Meta |
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GB/T 22389-2023 |
Gapless Metal oxide arrester for high voltage DC converter station 高压直流换流站无间隙金属氧化物避雷器 |
China National Standards Meta |
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GB 43352-2023 |
Express packaging heavy Metals and specific substance limits 快递包装重金属与特定物质限量 |
China National Standards Meta |
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GB 4234.9-2023 |
Surgical implants Metallic materials Part 9: Forged high nitrogen stainless steel 外科植入物 金属材料 第9部分:锻造高氮不锈钢 |
China National Standards Meta |
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GB/T 43365-2023 |
Additive Manufacturing Sand Mold Performance Testing Method for Metal Castings 增材制造 金属铸件用砂型性能检测方法 |
China National Standards Meta |
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GB/T 43233-2023 |
Additive Manufacturing System Performance and Reliability Acceptance Test of Laser Powder Bed Melting Equipment for Metal Materials in Aerospace 增材制造 系统性能和可靠性 航空航天用金属材料激光粉末床熔融设备验收试验 |
China National Standards Meta |
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