标准号:IS 11998-1987
发布日期:1987/11/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard covers the requirement of EC grade aluminium ingots which are used for making alloys for the manufacture of automotive pistons of two grades ( eutectic and hyper-eutectic ) for I.C. engines conforming to IS : 7793-1975*.