标准号:IS 228 Pt.6-1987
发布日期:1987/8/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:This standard (Part 6) covers the persulphate oxidation method for determination of chromium content of low alloy and high alloy steels containing more than or equal to 0.l percent chromium. This method is not applicable for steels containing tungsten.