FIELD: metallurgy.
SUBSTANCE: steel contains the following, wt %: up to 0.20 C, 2.0 - 9.0 Mn, up to 2.0 Si, 16.0 - 23.0 Cr, 1.0 - 5.0 Ni, 0.4 - 2.0 Mo, up to 3.0 Cu, 0.1 - 0.35 N, up to 4.0 W, up to 0.01 B, up to 1.0 Co, ferrum and impurities the rest. Steel has ferrite number that amounts less than 10 and temperature value MD30 that characterises resistance to martensitic transformation that is less than 20°C.
EFFECT: steel has high corrosion resistance and moulding capacity.
32 cl, 3 tbl, 1 ex
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