24 July 2021 Duplex Stainless Steel
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:
- 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
Application:
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.