| 摘要 |
An austenitic Fe-Cr-Mn-N stainless steel is characterized by a combination of improved castability in terms of yield and speed and the development of excellent strength and ductility levels in the cold worked condition. The low alloy stainless steel consists essentially of, in weight percent, from about 13% to 17% chromium, about 8% to 12% manganese, about 0.05% to 0.2% carbon, about 0.15% to 0.23% nitrogen, about 1.5% maximum nickel, about 1% maximum molybdenum, about 1% maximum silicon, about 1% maximum copper and balance essentially iron. The steel composition is particularly suited for cold-drawn wire which develops an ultimate tensile strength of at least about 250 ksi with elongations of at least about 10%.
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