标准号:IS 7307 Pt.1-1974
发布日期:1974/10/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard specifies requirements for the approval tests for welding procedures for the fusion welding ( see 3.3 ) of carbon and carbon-manganese steel, except castings. The approval testing of welding procedure for the fusion welding of steel casting are covered in IS: 5530-1969〓 and IS: 6916-1973〓.