National Standard

  • GB/T 45779-2025

    Welded profiled steel pipe for structural use

  • GB∕T 21832.3-2024

    Austenitic-ferritic duplex stainless steel welded pipes Part 3: Pipes for oil and gas transportation

  • GB∕T 21833.3-2024

    Seamless austenitic-ferritic duplex stainless steel pipes and tubes Part 3: Pipes and tubes for oil and gas transportation

  • GB_T 39077-2024

    Detection of harmful phases in austenitic-ferritic (duplex) stainless steel

  • GBT 17395-2024

    Steel pipe size, shape, weight and allowable deviation

  • GB/T 12771-2019

    Welded stainless steel pipes for liquid delivery

  • GB/T 2102-2022

    Acceptance, packaging,marking and quality certification for steel tubular products

  • GB/T 21832.1-2018

    Welded austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 1:Tubes for heat exchanger

  • GB/T 21832.2-2018

    Welded austenitic-ferritic (duplex) stainless steel tubes and pipes—Part 2:Pipes for fluid transport

  • GB/T 24593-2018

    Welded austenitic stainless steel tubes for boiler and heat exchanger

  • GB/T 32958-2016

    Stainless steel clad pipes for fluid transport

  • GBT 13296-2023

    Seamless stainless steel tubes for boiler and heat exchanger

  • GBT 42675-2023

    Welded antibacterial stainless steel pipes and fittings

Industry Standard

  • YB/T 4204-2022

    Welded stainless steel pipes for water supply

  • YB/T 6077-2022

    Stainless steel welded pipe enterprises green factory evaluation requirements

  • 22S407-2

    Thin-wall stainless steel pipe installation for building water supply

Group Standard

  • T∕FSMA 001-2022

    Stainless steel water pipe installation procedures

  • T∕ZPP 014-2023

    Requirements for Safe Manufacturing Operations Management in the Electromechanical Manufacturing Industry

  • T∕CSCS 062-2024

    Inner compound stainless steel socket flexible interface composite steel pipe

  • T/CECS 10120-2021

    Stainless steel composite steel butt welding pipe fittings