JFE-HITEN610U2L钢焊接接头断裂韧性试验

Test on Fracture Toughness of Welding Joint of JFE-HITEN 610U2L Steel

JFE-HITEN 610U2L属于-50℃低温压力容器用钢,介绍了对50 mm厚JFE-HITEN610U2L钢焊接接头分别在焊态和两次SR处理状态下进行低温断裂韧性试验过程,为其投用后的检验及安全评定提供技术参数和依据。

JFE- HITEN 610U2L steel is the steel for low temperature （ -50℃） service pressure vessel. This article introduced the test on the fracture toughness of 50 mm thickness welding joint of JFE - HITEN 610U2L steel as welding and twice SR state, the result supplied technical parameter and for inspection and safe assessment.