Duplex Stainless Steel

摘要: Less than 3% by weight percent nickel, and a duplex stainless steel containing molybdenum of less 1.5%. According to one embodiment, the steel, carbon up 0.06% percent; 15 25% chromium; 1 nickel 2.5%; Manganese 3.75%; 0.12 greater 0.35% nitrogen up; Silicon 2%; Molybdenum 1.5%; Up 0.5% copper; Cobalt 0.2%; Of 0.05%; 0.005% sulfur; 0.001 boron 0.0035%; And iron contains unintentional impurities. The may be provided in form an article manufacture, such as strip (strip), bar (bar), plate (plate), sheet (sheet), casting (casting), tubing (tubing) piping (piping). Manufacturing method is also disclosed.