431 (16Cr-2Ni) Cr steel containing Ni can obtain high mechanical properties through heat treatment, and the corrosion resistance is better than 410 steel and 430 steel. 431 series is a kind of martensitic stainless steel with good combination of strength and toughness. It has good corrosion resistance to oxidizing acids, most organic acids and aqueous solutions of organic salts. It is generally applicable to the production of nitric acid and acetic acid and the shaft, piston rod, pump and other parts requiring strength, toughness and corrosion resistance in light industry, textile and other industries.
Specification
Chemical Composition
C : ≤0.12%
Si : ≤0.75%
Mn : ≤1.00%
P : ≤0.040%
S : ≤0.030%
Ni : ≤0.60%(may contain)
Cr : 16.00~18.00%
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