China National Standards

China tubes—Part GB Standards List


  •  China "tubes—Part" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 4437.2-2017 Aluminium and aluminium alloy extruded tubes—Part 2:Seam tubes
    铝及铝合金热挤压管 第2部分:有缝管
    China National Standards
    tubes—Part

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    GB/T 34020.1-2017 Double wall copper-brazed steel tubes—Part 1:Tubing system for refrigerator
    双层卷焊钢管 第1部分:冰箱管路系统用管
    China National Standards
    tubes—Part

    English PDF
    GB/T 34020.2-2017 Double wall copper-brazed steel tubes—Part 2:Tubing system for automobiles
    双层卷焊钢管 第2部分:汽车管路系统用管
    China National Standards
    tubes—Part

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    GB/T 34020.3-2017 Double wall copper-brazed steel tubes—Part 3: Tubing system for air conditioner and refrigeration
    双层卷焊钢管 第3部分:空调和制冷设备管路系统用管
    China National Standards
    tubes—Part

    English PDF
    GB/T 4437.1-2015 Aluminium and aluminium alloy extruded tubes—Part 1: Seamless tubes
    铝及铝合金热挤压管 第1部分:无缝圆管
    China National Standards
    tubes—Part

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