This standard specifies the specification, dimension, manufacture process, technical requirements, test methods, inspection rules, marking and packaging and quality certificate with regards to the welded austenitic stainless steel pipe for chemical, petrochemical and pharmaceutical industries.
This standard is applicable to the welded austenitic stainless steel pipe for chemical plant installations (hereinafter referred to as welded pipe), which is produced by the continuous automatic welding without welding wire.
2 Normative References
GB 222 "Method of Sampling Steel for Determination of Chemical Composition and Permissible Variations for Product Analysis"
GB 228 "Tensile Test Method for Metal"
GB 241 "Metal Materials - Tube - Hydrostatic Pressure Test"
GB 246 "Metallic Materials - Tube - Flattening Test"
GB 2102 "Acceptance, Packing, Marking and Quality Certification of Steel Pipe"
GB 2975 "Rules for Sampling in Mechanical and Technological Testing of Steel Products"
GB 3280 "Cold Rolled Stainless Steel Sheets and Plates"
GB 3323 "Methods for Radiographic Inspection and Classification of Radiographs for Fusion Welded Butt Joints in Steel"
GB 4230 "Hot Rolled Stainless Steel Strips"
GB 4237 "Hot Rolled Stainless Steel Sheets and Plates"
GB 4239 "Cold Rolled Stainless Steel and Heat resisting Steel Strips"
GB 4334.5 "Method of Copper Sulfate-Sulfuric Acid Test for Stainless Steels"
GB 7735 "Steel Tubes - The Inspection Method on Eddy Current Test"
HG 20537.1 "Requirements for Selection of Austenitic Stainless Steel Welded Steel Pipe"
JB 4708 "Welding Procedure Qualification for Steel Pressure Vessels"
JB/T 4709 "Welding Specification for Steel Pressure Vessels"
HG/T 20537.3-1992 The following standards are cited：
HG/T 20537.3-1992 Cited by the following standards：
