本英文版为内部资料，仅供参考，以中文 版为准.
The Chinese version of standards has precedence to their English translations which are only for internal reference. HIS TRANSLAT THIRDE 中华人民共和国行业标准 Industrial Standard of the People's Republic of China THISDO JB4708-2000 MENTDOSO JB/T4709-2000 JB 钢制压力容器焊接工艺评定 钢制压力容器焊接规程 钢制压力容器产品焊接试板 的力学性能检验 Welding procedurequalificationforsteel pressurevessels THIRD PARTES USING THIS DOCUMRT Mechanicalproperty testsof productwelded test couponsforsteel pressurevessels Issuance: 15-08-2000 IT'DOSO ONE&WEBST The State Bureau of Industry Issued Jointly by The StateBureau of Petroleum and Chemical Industry ROWN RISK
Noticefor theIssuance ofFourIndustrial Standards such as“WeldingProcedureQualificationforSteel PressureVessels"etc. No.:SMIB[2000]401 RTYOFSHAW All sectors involved This is to notify that in accordance with the Approval Procedures of Pressure Vessel's Industral Standards as stipulated by the State Quality &Technology Supervision Bureau Vessesare tobereleased withtheindividualnumberanddesignationasfollows thefour industrial standards such asWeldingProcedure Qualification forSteelPressure WN Compulsive standards: RISR JB 4708-2000 Welding Procedure Qualification for Steel Pressure Vessels ( to replace JB 4708-1992) JB 4710-2000 Steel Tower Vessel (to replace JB 4710-1992) JB 4744-2000 Mechanical Property Tests of Product Welded Test Coupons for Steel Pressure Vessels (to replace GB 150-1998 Appendix E) Remended standards: JB/T 4709-2000Welding Specifications for Steel Pressure Vessels （to replace JB/T4709-1992) The abovestandards willbe implemented from October 1 2000.The State Standard Technology Commite of PressureVessel will be wholly responsible for the release of these standards in due time. USING THIS DOC Regards The State Machinery Industrial Bureau The State Petroleum & Chemical Industrial Bureau DO SO ATTHEIR OWN RISK August 15 2000
HISTRANSE Contents JB 4708-2000 Welding procedure qualification for steel pressure vessels.. Preface- 1. Scope Quoted standards- 3. Terminologies 4. General principles 5. Welding procedure qualification regulations for butt and fillet welding seam 6. Welding procedure qualification regulations for corrosion-resisting bead welding 2 7.Test requirements and result evaluation 23 Appendix A (appendix for standard) Welding procedure qualification for stainless steel pound steel.. -36 Appendix B (appendix for prompts) Welding procedure instruction and the remended patterms of welding procedure qualification record...38 JB/T 4709-2000 Welding specification for steel pressure vessels Preface 1.Scope 2. Quoted standards 3. Welding materials 4. 5. Preparation befote welding USING THIS DOCUMENTDO SO 6. Welding Post heating 8.1 Post weld heat treatment 9.Welding seam re-repairing 10.Welding inspection Appendix A (appendix for standards) Welding specification for stainless steel pound steel Appendix B (appendix for prompts) Remended form of welding procedure instruction
pressure vessels THISTRANSLATTON IS TE 1.Scope Quoted standards 3.Symbols 4.The manufacturing requirements of product welded test coupons 5.Test sample preparation of product welded test coupons THIS DOCUMENTDO SO ATTHEIR OWN RISK KTY OF SHAW-STONE&WEBSTER The tensile test 7.The bending test The impact test 9.Re-test THIS TRANSLATION IS THE PROPERTY OF SHAW-STONE &WEBSTER THIRDPARTESUSNGTHISDOCUMENTDOSOATTHEIROWNRISK
THIRD PARTTES USING THIS JB4708-2000 Welding procedure qualification for steel pressure vessels SHEIR OWN RISK THIS TRANSLA
