1 Subject Content and Application Scope
This standard specifies the specification, technical requirements, application requirements and relevant design parameters relative to the welded austenitic stainless steel pipe (Note) used in chemical, petrochemical and pharmaceutical industries.
This standard is applicable to the welded austenitic stainless steel pipe for heat exchanger tube bundle, vessel shell, connecting pipe and piping.
Note: The duplex austenitic-ferritic stainless steel is also included in the austenitic stainless steel mentioned in this standard.
2 Normative References
GB 150 "Steel Pressure Vessels"
GB 151 "Tubular Steel Heat Exchangers"
GB 3323 "Methods for Radiographic Inspection and Classification of Radiographs for Fusion Welded Butt Joints in Steel"
HGJ 15 "Specification for Materials Selected of Steel Chemical Vessels"
HGJ 19 "Technical Specification for Steel Low Temperature Pressure Vessels"
HGJ 43 "Classification of Toxicity Hazard and Explosion Risk Extent of Chemical Media in Pressure Vessels"
HG 20537.2 "Technical Requirements for Welded Austenitic Stainless Steel Pipe of Tubular Heat Exchangers"
HG 20537.3 "Technical Requirements for Welded Austenitic Stainless Steel Pipe of Chemical Plant Installations"
HG 20537.4 "Technical Requirements for Large-Caliber Welded Austenitic Stainless Steel Pipe of Chemical Plant Installations"
1 Subject Content and Application Scope
2 Normative References
3 Technical Requirements for and Manufacture Process of Materials
4 Application Requirements
5 Marking
Appendix A Foreign Standards for Welded Austenitic Stainless Steel Pipe (Informative)
