IS 7310 Pt.1-1974

标准号：IS 7310 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：1.1 This standard ( Part I) specifies requirements for the approval testing of welders to be engaged on the manual, semi-automatic or automatic fusion welding of structural steel or austenitic stainless steel fabrications, except castings, for which an approved welding procedure is required.1.2 This standard is applicable to the following manual, semi-automatic and automatic fusion welding processes:a) Manual metal-arc,b) Inert-gas tungsten arc ( TIG ),c) Gas metal arc ( MIG or CO2 ),d) Submerged-arc,e) Electro-slag, andf) Gas welding.1.3 Where the approval of a welder and a welding procedure are to be covered in one test, the provisions contained in IS : 7307 ( Part I )-1974* shall apply.