DUPLEX STAINLESS STEEL CASTING ALLOY COMPOSITION

摘要

The present invention provides a duplex stainless steel casting alloy composition comprising, in weight percent: up to around 0.05 % carbon; around 0.5 % to 1.2 % silicon; around 1 % to 2 % manganese; around 3.7 % to 4.5 % nickel; around 21 % to 23 % chromium; around 1.5 % to 2.5 % molybdenum; around 0.15 % to 0.25 % nitrogen; and balance iron and incidental impurities.