标准号:IS 9683-1980
发布日期:1981/8/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围: This standard covers six grades of carbon and low alloy steel forgings used in the construction of fired and unfired pressure vessels. The term 'forgings' used in this standard shall include forged fittings, covers, heads, component sections or complete vessels intended for containment of gaseous or liquid material under pressure.