标准号:IS 8051-1976
发布日期:1976/7/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard covers the requirements for ingots (including cast billet ingots ) and billets (including continuous cast billets ) for the production of volute, helical and laminated springs for automotive suspension.1.2 Ingots ( including cast billet ingots ) and billets ( including continuous east billets ) covered by this standard shall be used for the manufacture of bars and flats conforming to the requirements of IS : 3431-1975*.