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022Cr25Ni7Mo4N

022Cr25Ni7Mo4N Duplex Stainless Steel Bar

 

022Cr25Ni7Mo4N, is austenitic - ferritic stainless steel duplex.

chemical composition
(Mass fraction) (%):
C: 0.030
Si: 0.80
Mn: 1.20
P: 0.035
S: 0.020
Ni: 6.00-8.00
Cr: 24.00-26.00
Mo: 3.00-5.00
Cu: 0.50
N: 0.24-0.32

Mechanical properties
Other: - mechanical properties of solution treatment: the provisions of the non-proportional extension strength Rp0..2 / Mpa: ≥ 500 Tensile strength Rm / Mpa: ≥ 795 Elongation A (%): ≥ 15 Hardness value HBW: ≤ 310 Hardness value HRC: ≤ 32

Features and uses
Features and Uses: It is the best corrosion-resistant steel in duplex stainless steel, especially the best in pitting resistance and high in lightness. Resistance to chloride stress corrosion, welding characteristics. Very suitable for chemical, petroleum, petrochemical, and power industries to river water, groundwater and seawater as the cooling medium for heat transfer equipment.