JB 4708-2000 英文版 钢制压力容器焊接工艺评定.docx

本英文版为内部资料，仅供参考，以中文版为准。

TheChineseversionofstandardshasprecedencetotheirEnglishtranslationswhichareonlyforinternalreference.

中华人民共和国行业标准

IndustrialStandardofthePeoplesRepublicofChina

JB4708—2000

JB/T4709—2000

JB4744—2000

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

Weldingprocedurequalificationforsteelpressurevessels

Weldingspecificationforsteelpressurevessels

Mechanicalpropertytestsofproductweldedtest

couponsforsteelpressurevessels

Issuance：15-08-2000Implementation：01-10-2000

TheStateBureauofIndustry

IssuedJointlyby

TheStateBureauofPetroleumandChemicalIndustry

—1—

NoticefortheIssuanceofFourIndustrialStandards

suchas“WeldingProcedureQualificationforSteel

PressureVessels”etc.

No.：SMIB[2000]401

Allsectorsinvolved,

ThisistonotifythatinaccordancewiththeApprovalProceduresofPressureVessel′sIndustrialStandardsasstipulatedbytheStateQualityTechnologySupervisionBureau,thefourindustrialstandardssuchasWeldingProcedureQualificationforSteelPressureVesselsaretobereleasedwiththeindividualnumberanddesignationasfollows：

Compulsivestandards：

JB4708—2000

JB4710—2000

JB4744—2000

WeldingProcedureQualificationforSteelPressureVessels（toreplaceJB4708—1992）

SteelTowerVessel（toreplaceJB4710—1992）

MechanicalPropertyTestsofProductWeldedTestCouponsforSteelPressureVessels（toreplaceGB150—1998AppendixE）

Recommendedstandards：

JB/T4709—2000WeldingSpecificationsforSteelPressureVessels（toreplace

JB/T4709—1992）

TheabovestandardswillbeimplementedfromOctober1，2000.TheStateStandardTechnologyCommitteeofPressureVesselwillbewhollyresponsibleforthereleaseofthesestandardsinduetime.

Regards，

TheStateMachineryIndustrialBureau

TheStatePetroleumChemicalIndustrialBureau

August15，2000

—2—

Contents

JB4708-2000Weldingpro