GB/T 20801.4-2020 Replaced National standards

GB/T 20801.4-2020 Pressure piping code—Industrial piping—Part 4:Fabrication and assembly

GB/T 20801.4-2020 Pressure piping code—Industrial piping—Part 4:Fabrication and assembly

Publish Date: 2020-11-19 Implement Date: 2021-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 20801.4-2020

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Pressure vessel

ICS Name: Pipe components and pipelines

Publish Date: 2020-11-19

Implement Date: 2021-06-01

Pages: 48 pages

Scope

This part of GB/T 20801 specifies the basic requirements for the fabrication and installation of pressure pipelines. These basic requirements include provisions for fabrication, welding, preheating, heat treatment, assembly and installation, and pipeline cleaning.
This part applies to the fabrication and installation of pressure pipeline components defined in the scope of GB/T 20801.1.

Development Information

Word Count: 82 Thousand words Pages: 48 pages

Same series standard

GB/T 20801.1-2020 Pressure piping code—Industrial piping—Part 1:General GB/T 20801.2-2020 Pressure piping code—Industrial piping—Part 2:Materials GB/T 20801.3-2020 Pressure piping code—Industrial piping—Part 3:Design and calculation GB/T 20801.5-2020 Pressure piping code—Industrial piping—Part 5:Inspection and testing GB/T 20801.6-2020 Pressure piping code—Industrial piping—Part 6:Safeguarding

Replace the following standards

GB/T 20801.4-2006 Pressure piping code—Industrial piping—Part 4:Fabrication and assembly

Superseded by the following standards

GB/T 20801.1-2025 Pressure piping code—Part 1:Industrial piping

Referenced Standards

GB/T 20801.1-2020 Pressure piping code—Industrial piping—Part 1:General GB/T 20801.2-2020 Pressure piping code—Industrial piping—Part 2:Materials GB/T 20801.3-2020 Pressure piping code—Industrial piping—Part 3:Design and calculation GB/T 20801.5-2020 Pressure piping code—Industrial piping—Part 5:Inspection and testing GB/T 20801.6-2020 Pressure piping code—Industrial piping—Part 6:Safeguarding GB/T 985.1-2008 Recommended joint preparation for gas welding,manual metal arc welding,gas-shield arc welding and beam welding GB/T 985.2-2008 Recommended joint preparation for submerged arc welding GB/T 985.3-2008 Recommended joint preparation for gas-shield arc welding on aluminium and its alloys GB/T 985.4-2008 Recommended joint preparation for welding on clad steels GB/T 13927-1992 Pressure testing for general purpose valves GB/T 13927-2008 Industrial valves—Pressure testing GB/T 13927-2022 Industrial valves—Pressure testing NB/T 47014-2023 Pressure equipment welding process qualification GB 50236-2011 Code for construction and acceptance of field equipment, industrial pipe welding engineering TSG ZF001-2006 Safety Technical Supervision Regulations for Safety Valves TSG Z6002-2010 Examination Rules for Welding Operators of Special Equipment

Related Standards

GB/T 8713-1988 Abolished

GB/T 8713-1988 Inside diameter required precision seamless steel tube for hydraulic and pneumatic cylinder use

Publish Date: 1988-02-22

GB/T 16805-1997 Replaced

GB/T 16805-1997 Pressure testing of liquid petroleum pipelines

Publish Date: 1997-05-28

GB/T 18443.2-2001 Replaced

GB/T 18443.2-2001 Testing method of cryo-insulation pressure vessels—Vacuum measurement

Publish Date: 2001-09-03

GB/T 15345-2003 Replaced

GB/T 15345-2003 Test methods of concrete pipes for water transmission

Publish Date: 2003-07-23

GB/T 19284-2003 Replaced

GB/T 19284-2003 Hyperbaric chamber pressurized with medical oxygen

Publish Date: 2003-09-11

GB/T 19285-2003 Replaced

GB/T 19285-2003 Inspection of corrosion protection for buried steel pipelines

Publish Date: 2003-09-11