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GB/T 3091-2025 低压流体输送用焊接钢管 即将实施 发布日期 :  1970-01-01 实施日期 :  2025-10-01

本文件规定了低压流体输送用焊接钢管的订货内容、尺寸、外形、重量及允许偏差、技术要求、试验方法、检验规则、包装、标志、贮存及质量证明书。
本文件适用于水、空气、蒸汽和燃气等低压流体输送用直缝高频电焊(HFW)钢管、直缝埋弧焊(SAWL)钢管和螺旋缝埋弧焊(SAWH)钢管,及其镀锌后的钢管(以下简称“钢管”)。

   电子版:43元 / 折扣价: 37  纸质版:暂无

GB/T 17395-2024 钢管尺寸、外形、重量及允许偏差 现行 发布日期 :  1970-01-01 实施日期 :  2025-04-01

本文件规定了钢管的尺寸、外形、重量及允许偏差。
本文件适用于制定各类用途的圆形钢管标准时,选择尺寸、外形、重量及允许偏差。

   电子版:86元 / 折扣价: 74  纸质版:86元 / 折扣价: 74

GB/T 38810-2020e 液化天然气用不锈钢无缝钢管 现行 发布日期 :  1970-01-01 实施日期 :  2020-12-01

This standard specifies the ordering information,dimensions,shapes and masses,technical requirements,test methods,inspection rules,packaging,marking and quality certification of the seamless stainless steel pipes for liquefied natural gas.
This standard is applicable to the cold rolled or cold drawn seamless austenitic stainless steel pipes (hereinafter referred to as pipes) for liquefied natural gas.

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This part of GB/T 21833 specifies ordering information,dimensions,shapes,masses,technical requirements,test methods,inspection rules,packaging,marking and quality certification of seamless austenitic-ferritic (duplex) stainless steel tubes for heat exchanger.
This part is applicable to seamless austenitic-ferritic (duplex) stainless steel tubes (hereafter referred to as tubes) for heat exchanger.

   电子版:456元 / 折扣价: 388  纸质版:暂无

This part of GB/T 21833 specifies ordering information,dimensions,shapes,mass,technical requirements,test methods,inspection rules,packaging,marking and quality certification of seamless austenitic-ferritic (duplex) stainless steel pipes for fluid service.
This part is applicable to seamless austenitic-ferritic (duplex) stainless steel pipes (Hereafter referred to as pipes) for fluid service.

   电子版:456元 / 折扣价: 388  纸质版:暂无

GB/T 24593-2018e 锅炉和热交换器用奥氏体不锈钢焊接钢管 现行 发布日期 :  1970-01-01 实施日期 :  2019-03-01

This standard specifies the ordering information, dimensions, shapes, masses and permissible variations, technical requirements, test methods, inspection rules, packaging, marking and quality certification of the welded austenitic stainless steel tubes for boiler and heat exchanger.
This standard is applicable to the welded austenitic stainless steel tubes (Hereinafter referred to as tubes)for heat exchanger and medium-and-low pressure boilers.

   电子版:456元 / 折扣价: 388  纸质版:暂无

GB/T 34107-2017e 轨道交通车辆制动系统用精密不锈钢无缝钢管 现行 发布日期 :  1970-01-01 实施日期 :  2018-04-01

This standard specifies ordering information,dimensions,shapes,masses and permisible variations,technical requirements,test methods,inspection rules,packaging,marking and quality certification of seamless precision stainless steel pipes for rail transit vehicle braking system.
This standard is applicable to the seamless precision stainless steel pipes (Hereinafter referred to as pipes) for rail transit vehicle (such as locomotives,powered car train-sets,urban rail trains and freight or passenger trains) braking system.

   电子版:372元 / 折扣价: 317  纸质版:暂无

GB/T 17395-2008 无缝钢管尺寸、外形、重量及允许偏差 被代替 发布日期 :  1970-01-01 实施日期 :  2008-11-01

本标准规定了无缝钢管的尺寸、外形、重量及允许偏差。 本标准适用于制定各类用途的平端无缝钢管标准时,选择尺寸、外形、重量及允许偏差。

   电子版:59元 / 折扣价: 51  纸质版:59元 / 折扣价: 51

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