China National Standards

China welded GB Standards List


  •  China "welded" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 21832.3-2024 Austenitic-ferritic duplex stainless steel welded steel pipes - Part 3: Pipes for oil and gas transportation {译}
    奥氏体-铁素体型双相不锈钢焊接钢管-第3部分:油气输送用管
    China National Standards
    welded

    English PDF
    GB/T 33488.5-2024 Inspection methods for plastic welded pressure-bearing equipment for chemical industry-Part 5: Ultrasonic testing by time-of-flight diffraction {译}
    化工用塑料焊接制承压设备检验方法-第5部分:衍射时差法超声检测
    China National Standards
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    English PDF
    GB/T 43403-2023 Road vehicles Trailers below 3.5t Quality inspection after fatigue test of welded traction brackets for connecting balls {译}
    道路车辆 3.5t以下挂车 连接球用焊接牵引支架疲劳试验后的质量检查
    China National Standards
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    English PDF
    GB/T 25774.2-2023 Inspection of welding materials Part 2: Preparation of mechanical properties specimens for single-sided single-pass welding and double-sided single-pass welded joints of steel {译}
    焊接材料的检验 第2部分:钢的单面单道焊和双面单道焊焊接接头力学性能试样的制备
    China National Standards
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    GB/T 42675-2023 Antibacterial stainless steel welded steel pipes and fittings {译}
    抗菌不锈钢焊接钢管及管件
    China National Standards
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    English PDF
    GB/T 42677-2023 Non-destructive testing of steel pipes Liquid penetrant testing of surface defects in seamless and welded steel pipes {译}
    钢管无损检测 无缝和焊接钢管表面缺欠的液体渗透检测
    China National Standards
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    GB/T 42673-2023 Non-destructive testing of steel pipes Magnetic particle testing of surface defects in ferromagnetic seamless and welded steel pipes {译}
    钢管无损检测 铁磁性无缝和焊接钢管表面缺欠的磁粉检测
    China National Standards
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    GB/T 42664-2023 Non-destructive testing of steel pipes Automatic ultrasonic detection of longitudinal and/or transverse defects in welded steel pipe seams {译}
    钢管无损检测 焊接钢管焊缝纵向和/或横向缺欠的自动超声检测
    China National Standards
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    GB/T 42662-2023 Non-destructive testing of steel pipes Automatic ultrasonic detection of delamination defects in steel strips/plates for welded steel pipes {译}
    钢管无损检测 焊接钢管用钢带/钢板分层缺欠的自动超声检测
    China National Standards
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    GB/T 24187-2023 Cold drawn precision single layer welded steel pipe {译}
    冷拔精密单层焊接钢管
    China National Standards
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    GB/T 20490-2023 Non-destructive testing of steel pipes Automatic ultrasonic detection of delamination defects in seamless and welded steel pipes {译}
    钢管无损检测 无缝和焊接钢管分层缺欠的自动超声检测
    China National Standards
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    GB/T 554-2023 Ships and offshore technology Ship mooring and towing equipment welded steel bollards for seagoing vessels {译}
    船舶和海上技术 船舶系泊和拖带设备 海船用钢质焊接带缆桩
    China National Standards
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    GB/T 28896-2023 Metallic materials - Test method for the determination of quasi-static fracture toughness of welded joints {译}
    金属材料 焊接接头准静态断裂韧度测定的试验方法
    China National Standards
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    English PDF
    GB/T 24159-2022 welded Insulated Gas Cylinders {译}
    焊接绝热气瓶
    China National Standards
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    GB/T 18997.2-2020 Aluminum plastic composite pressure pipe part 2: aluminum pipe butt welded aluminum plastic pipe No. 1 amendment {译}
    铝塑复合压力管 第2部分:铝管对接焊式铝塑管《第1号修改单》
    China National Standards
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    GB/T 18997.1-2020 Aluminum plastic composite pressure pipes - Part 1: lap welded aluminum plastic pipes for aluminum pipes - amendment No. 1 {译}
    铝塑复合压力管 第1部分:铝管搭接焊式铝塑管《第1号修改单》
    China National Standards
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    GB/T 41354-2022 Hydraulic Transmission Seamless or welded Plain End Precision Steel Tube Dimensions and Nominal Pressures {译}
    液压传动  无缝或焊接型的平端精密钢管  尺寸与公称压力
    China National Standards
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    GB/T 1499.3-2022 Steel for reinforced concrete - Part 3: welded mesh for reinforcement {译}
    钢筋混凝土用钢 第3部分:钢筋焊接网
    China National Standards
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    GB/T 2652-2022 Destructive test of welds in metallic materials Longitudinal tensile test of weld metal in fusion welded joints {译}
    金属材料焊缝破坏性试验 熔化焊接头焊缝金属纵向拉伸试验
    China National Standards
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    GB/T 41979.2-2022 Friction stir spot welding of aluminum and aluminum alloys - Part 2: Design of welded joints {译}
    搅拌摩擦点焊 铝及铝合金 第2部分:焊接接头设计
    China National Standards
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    GB/T 41748-2022 Quality Evaluation Scheme for welded Steel Mesh {译}
    钢筋焊接网质量评价方案
    China National Standards
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    GB/T 40385-2021 Non-destructive testing of steel tubes—Digital radiographic testing of the weld seam of welded steel tubes for the detection of imperfections
    钢管无损检测 焊接钢管焊缝缺欠的数字射线检测
    China National Standards
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    GB/T 40316-2021 welded high strength shaped and round steel tubes for automobile structure
    汽车结构用高强度异型及圆形焊接钢管
    China National Standards
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    GB/T 11270.1-2021 Superabrasive products-Diamond circular saw blade-Part 1:welded saw blades
    超硬磨料制品 金刚石圆锯片 第1部分:焊接锯片
    China National Standards
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    GB/T 40080-2021 Nondestructive testing of steel tubes—Automated electromagnetic testing of seamless and welded (except submerged arc-welded) steel tubes for the verification of hydraulic leaktightness
    钢管无损检测 用于确认无缝和焊接钢管(埋弧焊除外)水压密实性的自动电磁检测方法
    China National Standards
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    GB/T 27552-2021 Destructive tests on welds in metallic materials—Microhardness testing of welded joints
    金属材料焊缝破坏性试验 焊接接头显微硬度试验
    China National Standards
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    GB/T 40791-2021 Non-destructive testing of steel tubes—Radiographic testing of the weld seam of welded steel tubes for the detection of imperfections
    钢管无损检测 焊接钢管焊缝缺欠的射线检测
    China National Standards
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    GB/T 38682-2020 welded nickel-iron-chromium alloy pipes for fluid service
    流体输送用镍-铁-铬合金焊接管
    China National Standards
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    GB/T 17268-2020 Non-refillable steel welded cylinders for industrial use
    工业用非重复充装焊接钢瓶
    China National Standards
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    English PDF
    GB/T 5100-2020 welded steel gas cylinders
    钢质焊接气瓶
    China National Standards
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    English PDF
    GB/T 18997.2-2020 Plastic/aluminum/ plastic composite pressure pipes—Part 2: Composite pipes butt-welded by aluminum pipe
    铝塑复合压力管 第2部分:铝管对接焊式铝塑管
    China National Standards
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    GB/T 18997.1-2020 Plastic/aluminum/plastic composite pressure pipes—Part 1: Composite pipes overlap-welded by aluminum pipe
    铝塑复合压力管 第1部分:铝管搭接焊式铝塑管
    China National Standards
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    GB/T 5777-2019 Automated full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections
    无缝和焊接(埋弧焊除外)钢管纵向和/或横向缺欠的全圆周自动超声检测
    China National Standards
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    GB/T 37827-2019 welded ball valve for urban heating
    城镇供热用焊接球阀
    China National Standards
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    GB/T 37792-2019 General specification for welded corrosion resistant alloy pipes and tubes
    耐蚀合金焊管通用技术条件
    China National Standards
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    GB/T 37605-2019 welded corrosion resistant alloy pipes and tubes
    耐蚀合金焊管
    China National Standards
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    GB/T 37636-2019 welded steel pipes for offshore engineering pile
    海洋工程桩用焊接钢管
    China National Standards
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    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
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    GB/T 37577-2019 welded large diameter steel pipes for low-temperature-service piping
    低温管道用大直径焊接钢管
    China National Standards
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    GB/T 5777-2019 Automated full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections
    无缝和焊接(埋弧焊除外)钢管纵向和/或横向缺欠的全圆周自动超声检测
    China National Standards
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    GB/T 36232-2018 Non-destructive testing of welds—Test method on electron-beam welded joints by industrial computed tomography(CT)
    焊缝无损检测 电子束焊接接头工业计算机层析成像(CT)检测方法
    China National Standards
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    GB/T 21832.1-2018 welded austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 1:Tubes for heat exchanger
    奥氏体-铁素体型双相不锈钢焊接钢管 第1部分:热交换器用管
    China National Standards
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    GB/T 21832.2-2018 welded austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 2:Pipes for fluid transport
    奥氏体-铁素体型双相不锈钢焊接钢管 第2部分:流体输送用管
    China National Standards
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    GB/T 35085-2018 Destructive tests on welds in metallic materials—Vickers and Knoop Hardness testing of joints welded by laser and electron beam
    金属材料焊缝破坏性试验 激光和电子束焊接接头的维氏和努氏硬度试验
    China National Standards
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    GB/T 24593-2018 welded austenitic stainless steel tubes for boiler and heat exchanger
    锅炉和热交换器用奥氏体不锈钢焊接钢管
    China National Standards
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    GB/T 10560-2017 Steels for welded round link chains for mines
    矿用焊接圆环链用钢
    China National Standards
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    GB/T 33884-2017 Aluminum alloy profile and profile welded combination for heavy-duty freight train
    重载货运列车用铝合金型材及厢块
    China National Standards
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    GB/T 33814-2017 welded H-section steel
    焊接H型钢
    China National Standards
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    GB/T 33488.4-2017 Test method of pressure equipments of thermoplastics welded for chemicals—Part 4:Ultrasonic examination
    化工用塑料焊接制承压设备检验方法 第4部分:超声检测
    China National Standards
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    GB/T 33488.1-2017 Test method of pressure equipments of thermoplastics welded for chemicals—Part 1: General requirements
    化工用塑料焊接制承压设备检验方法 第1部分:总则
    China National Standards
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    GB/T 549-2017 Electro-welded anchor chains
    电焊锚链
    China National Standards
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    GB/T 33488.3-2017 Test method of pressure equipments of thermoplastics welded for chemicals—Part 3: Radiographic examination
    化工用塑料焊接制承压设备检验方法 第3部分:射线检测
    China National Standards
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    GB/T 33488.2-2017 Test method of pressure equipments of thermoplastics welded for chemicals—Part 2: Visual examination
    化工用塑料焊接制承压设备检验方法 第2部分:外观检测
    China National Standards
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    GB/T 6653-2017 Steel plates and strips for welded gas cylinders
    焊接气瓶用钢板和钢带
    China National Standards
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    GB/T 7735-2016 Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imperfections
    无缝和焊接(埋弧焊除外)钢管缺欠的自动涡流检测
    China National Standards
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    GB/T 33209-2016 Welding procedure qualification for welded gas cylinders
    焊接气瓶焊接工艺评定
    China National Standards
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    GB/T 33281-2016 welded wire fabric coated with zine
    镀锌电焊网
    China National Standards
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    GB/T 33156-2016 Precision welded tubes for gas spring
    气弹簧用精密焊接钢管
    China National Standards
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    GB/T 32970-2016 Longitudinal submerged-arc welded steel pipe for high pressure service at high temperatures
    高温高压管道用直缝埋弧焊接钢管
    China National Standards
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    GB/T 32964-2016 welded stainless steel pipes for liquefied natural gas
    液化天然气用不锈钢焊接钢管
    China National Standards
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    GB/T 14291-2016 welded steel pipe for ore pulp transportation
    矿粉矿浆输送用电焊钢管
    China National Standards
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    GB/T 12606-2016 Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections
    无缝和焊接(埋弧焊除外)铁磁性钢管纵向和/或横向缺欠的全圆周自动漏磁检测
    China National Standards
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    GB/T 32569-2016 welded stainless steel tubes for seawater desalination plants
    海水淡化装置用不锈钢焊接钢管
    China National Standards
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    GB/T 32552-2016 Automated full peripheral ultrasonic thickness testing of seamless and welded (except submerged arc-welded) steel tubes
    无缝和焊接钢管(埋弧焊除外)的自动全圆周超声厚度检测
    China National Standards
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    GB/T 32566-2016 welded stainless steel cylinders
    不锈钢焊接气瓶
    China National Standards
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    GB/T 13075-2016 Periodic inspection and evaluation of welded steel gas cylinders
    钢质焊接气瓶定期检验与评定
    China National Standards
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    GB/T 12606-2016 Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections
    无缝和焊接(埋弧焊除外)铁磁性钢管纵向和/或横向缺欠的全圆周自动漏磁检测
    China National Standards
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    GB/T 32552-2016 Automated full peripheral ultrasonic thickness testing of seamless and welded (except submerged arc-welded) steel tubes
    无缝和焊接钢管(埋弧焊除外)的自动全圆周超声厚度检测
    China National Standards
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    GB/T 7735-2016 Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imperfections
    无缝和焊接(埋弧焊除外)钢管缺欠的自动涡流检测
    China National Standards
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    GB/T 32259-2015 Non-destructive testing of welds—Visual testing of fusion-welded joints
    焊缝无损检测 熔焊接头目视检测
    China National Standards
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    GB/T 31943-2015 Continuously cold rolled steel strips for precision welded tubes
    精密焊接钢管用冷连轧钢带
    China National Standards
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    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
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    GB/T 31929-2015 welded stainless steel pipes for ship
    船舶用不锈钢焊接钢管
    China National Standards
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    GB/T 3091-2015 welded steel pipes for low pressure liquid delivery
    低压流体输送用焊接钢管
    China National Standards
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    GB/T 18256-2015 Non-destructive testing of steel tubes—Automated ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for verification of hydraulic leak-tightness
    钢管无损检测 用于确认无缝和焊接钢管(埋弧焊除外)水压密实性的自动超声检测方法
    China National Standards
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    GB 30813-2014 welded austenitic stainless steel tubes and pipes for nuclear power plant
    核电站用奥氏体不锈钢焊接钢管
    China National Standards
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    GB/T 30818-2014 Fully welded body ball valves for pipeline transportation systems in petroleum and natural gas industries
    石油和天然气工业管线输送系统用全焊接球阀
    China National Standards
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    GB 50341-2014 Code for design of vertical cylindrical welded steel oil tanks
    立式圆筒形钢制焊接油罐设计规范
    China National Standards
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    GB 50128-2014 Code for construction of vertical cylindrical steel welded storage tanks
    立式圆筒形钢制焊接储罐施工规范
    China National Standards
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    GB/T 30066-2013 welded ferritic stainless steel tubes for heat-exchanger and condenser
    热交换器和冷凝器用铁素体不锈钢焊接钢管
    China National Standards
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    GB/T 30065-2013 welded ferritic stainless steel tubes for feedwater heater
    给水加热器用铁素体不锈钢焊接钢管
    China National Standards
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    GB/T 30063-2013 Longitudinal submerged arc welded steel tubes for structural purpose
    结构用直缝埋弧焊接钢管
    China National Standards
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    GB/T 16957-2012 Clad teel plats - Mechanical technical tests on welded joints
    复合钢板 焊接接头力学性能试验方法
    China National Standards
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    GB/T 12770-2012 welded stainless steel tubes for mechanical structures
    机械结构用不锈钢焊接钢管
    China National Standards
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    GB/T 28708-2012 Specification for size selection of seamless and welded steel pipe used in piping engineering
    管道工程用无缝及焊接钢管尺寸选用规定
    China National Standards
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    GB/T 28413-2012 welded carbon steel tubes for boilers and heat exchangers
    锅炉和热交换器用焊接钢管
    China National Standards
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    GB 28052-2011 Regulation for filling of non-refillable steel welded cylinder
    非重复充装焊接钢瓶充装规定
    China National Standards
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    GB 28051-2011 Regulation for filling of welded insulated cylinder
    焊接绝热气瓶充装规定
    China National Standards
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    GB/T 27684-2011 Seamless and welded fittings for titanium and titanium alloy
    钛及钛合金无缝和焊接管件
    China National Standards
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    GB/T 27670-2011 Clad aluminium alloy welded tubes for heat exchangers of vehicles
    车辆热交换器用复合铝合金焊管
    China National Standards
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    GB/T 27552-2011 Destructive tests on welds in metallic materials - Microhardness testing of welded joints
    金属材料焊缝破坏性试验 焊接接头显微硬度试验
    China National Standards
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    GB/T 26941.3-2011 Fences - Part 3: welded steel wire fences
    隔离栅 第3部分:焊接网
    China National Standards
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    GB 5100-2011 welded steel gas cylinders
    钢质焊接气瓶
    China National Standards
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    GB/T 26057-2010 Titanium and titanium alloy welded tube
    钛及钛合金焊接管
    China National Standards
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    GB/T 1499.3-2010 Steel for the reinforcement of concrete - Part3 : welded fabric
    钢筋混凝土用钢 第3部分:钢筋焊接网
    China National Standards
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    GB/T 7659-2010 steel casting suitable for welded structure
    焊接结构用铸钢件
    China National Standards
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    GB/T 25197-2010 welded static non-pressurized thermoplastic tanks
    静置常压焊接热塑性塑料储罐(槽)
    China National Standards
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    GB/T 24593-2009 welded austenitic stainless steel tubes for boiler and heat-exchanger
    锅炉和热交换器用奥氏体不锈钢焊接钢管
    China National Standards
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    GB/T 24187-2009 Cold-drawn precision single welded steel tubes
    冷拔精密单层焊接钢管
    China National Standards
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    GB/T 24181-2009 Steels for diamond welded saw blades
    金刚石焊接锯片基体用钢
    China National Standards
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    GB 24159-2009 welded insulated cylinders
    焊接绝热气瓶
    China National Standards
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    GB 17878-2009 Cylinder valve for non-refillable steel welded industry cylinder
    工业用非重复充装焊接钢瓶用瓶阀
    China National Standards
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    GB 17268-2009 Non-refillable steel welded cylinders for industrial use
    工业用非重复充装焊接钢瓶
    China National Standards
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    GB 6653-2008 Steel plates and strips for welded gas cylinders
    焊接气瓶用钢板和钢带
    China National Standards
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    English PDF
    GB 50468-2008 Code for design of welded-pipe process
    焊管工艺设计规范
    China National Standards
    welded

    English PDF
    GB/T 11693-2008 welded bed plate for flanges of ship pipe
    船用法兰焊接座板
    China National Standards
    welded

    English PDF
    GB/T 22087-2008 Arc-welded joints in aluminium and its alloys - Guidance on quality levels for imperfection
    铝及铝合金的弧焊接头 缺欠质量分级指南
    China National Standards
    welded

    English PDF
    GB/T 22085.2-2008 Electron and laser beam welded joints - Guidance on quality levels for imperfections - Part 2:Aluminium and its weldable alloys
    电子束及激光焊接接头 缺欠质量分级指南 第2部分:铝及铝合金
    China National Standards
    welded

    English PDF
    GB/T 22085.1-2008 Electron and laser beam welded joints - Guidance on quality levels for imperfactions - Part 1:Steel
    电子束及激光焊接接头 缺欠质量分级指南 第1部分:钢
    China National Standards
    welded

    English PDF
    GB/T 3091-2008 welded steel pipes for low pressure liquid delivery
    低压流体输送用焊接钢管
    China National Standards
    welded

    English PDF
    GB/T 21835-2008 Dimensions and masses per unit length of welded steel pipes
    焊接钢管尺寸及单位长度重量
    China National Standards
    welded

    English PDF
    GB/T 21832-2008 Austenitic - Ferritic (duplex) grade stainless steel welded tubes and pipes
    奥氏体 铁素体型双相不锈钢焊接钢管
    China National Standards
    welded

    English PDF
    GB/T 12771-2008 welded stainless steel pipes for liquid delivery
    流体输送用不锈钢焊接钢管
    China National Standards
    welded

    English PDF
    GB/T 12605-2008 Non-destructive testing - Test methods for radiographic testing of circumferential fusion-welded butt joints in metallic pipes and tubes
    无损检测 金属管道熔化焊环向对接接头射线照相检测方法
    China National Standards
    welded

    English PDF
    GB/T 2654-2008 Hardness test methods on welded joints
    焊接接头硬度试验方法
    China National Standards
    welded

    English PDF
    GB/T 2653-2008 Bend test methods on welded joints
    焊接接头弯曲试验方法
    China National Standards
    welded

    English PDF
    GB/T 2651-2008 Tensile test method on welded joints
    焊接接头拉伸试验方法
    China National Standards
    welded

    English PDF
    GB/T 2650-2008 Impact test methods on welded joints
    焊接接头冲击试验方法
    China National Standards
    welded

    English PDF
    GB/T 549-2008 Electro-welded anchor chains
    电焊锚链
    China National Standards
    welded

    English PDF
    GB/T 20652-2006 Chain slings of welded construction - Grades M(4),S(6) and T(8)
    M(4)、S(6)和T(8)级焊接吊链
    China National Standards
    welded

    English PDF
    GB/T 20490-2006 Seamless and welded (except submerged arc-welded) steel tubes for pressure purposes - Ultrasonic testing for the detection of laminar imperfections
    承压无缝和焊接(埋弧焊除外)钢管分层的超声检测
    China National Standards
    welded

    English PDF
    GB/T 14291-2006 welded steel tubes for mine liquid service
    矿山流体输送用电焊钢管
    China National Standards
    welded

    English PDF
    GB/T 19927-2005 Cranked-link drag chains of welded construction,attachments and sprockets
    曳引用焊接结构弯板链、附件和链轮
    China National Standards
    welded

    English PDF
    GB/T 15390-2005 Cranked-link mill chains of welded construction,attachments and sprockets
    工程用焊接结构弯板链、附件和链轮
    China National Standards
    welded

    English PDF
    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
    welded

    English PDF
    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
    welded

    English PDF
    GB/T 3323-2005 Radiographic examination of fusion welded joints in metallic materials
    金属熔化焊焊接接头射线照相
    China National Standards
    welded

    English PDF
    GB/T 19804-2005 Welding-General tolerances for welded constructions-Dimensions for lengths and angles-Shape and position
    焊接结构的一般尺寸公差和形位公差
    China National Standards
    welded

    English PDF
    GB/T 19418-2003 Arc-welded joints in steel--Guidance on quality levels for imperfections
    钢的弧焊接头 缺陷质量分级指南
    China National Standards
    welded

    English PDF
    GB/T 18997.2-2003 Polyethylene/Aluminum/Polyethylene composite pressure pipe--Part 2:PE/AL/PE pipe butt-welded by aluminum pipe
    铝塑复合压力管 第2部分:铝管对接焊式铝塑管
    China National Standards
    welded

    English PDF
    GB/T 18997.1-2003 Polyethylene/Aluminum/Polyethylene composite pressure pipe--Part 1:PE/AL/PE pipe overlap-welded by aluminum pipe
    铝塑复合压力管 第1部分:铝管搭接焊式铝塑管
    China National Standards
    welded

    English PDF
    GB/T 11270.1-2002 Abrasive products--Diamond circular saw blade--Part 1:welded saw blades
    超硬磨料制品 金刚石圆锯片 第1部分:焊接锯片
    China National Standards
    welded

    English PDF
    GB/T 18256-2000 welded steel tubes(except submerged arc-welded)--Ultrasonic testing for verification of hydraulic leak-tightness
    焊接钢管(埋弧焊除外) 用于确认水压密实性的超声波检测方法
    China National Standards
    welded

    English PDF
    GB 13075-1999 Periodic inspection and evaluation of welded steel gas cylinders
    钢质焊接气瓶定期检验与评定
    China National Standards
    welded

    English PDF

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