1.4404 stainless steel
Austenitic chromium-nickel-molybdenum stainless steel particularly suitable for welding (1.4404)
Code | X2CrNiMo17-12-2 |
US standard (AISI) | 316L |
Composition Alloying components [%] | C: 0 - 0.03 Cr: 16.50 - 18.50 Mn: 0 - 2.00 Mo: 2.00 - 2.50 N: 0 - 0.10 Ni: 10.00 - 13.00 S: 0 - 0.015 (0.030*) Si: 0 - 1.00 P: 0 - 0.045 Remainder: Fe |
Stainless steel grade | A4 |
Density [g/cm³] | 8.0 |
Nickel migration [µg/(cm² x week)] in artificial perspiration (pH 4.5) | <0.05 |
Yield point Rp0.2 [N/mm²] | ≥200 |
Tensile strength Rm [N/mm²] | 500 - 700 |
Corrosion resistance | Very good Similar to 1.4401 but also resistant to intergranular corrosion |
Machinability | Medium |
Weldability | Very good |
Other properties | Austenitic non-magnetic structure Can be mechanically polished to a brilliant sheen Suitability for electropolishing: very good For use in the temperature range -50 - 550°C |
Main uses | General applications involving higher levels of corrosive stress within the following sectors: Food industry Swimming pool technology Oil industry Construction industry Chemical industry Medical engineering Aviation Offshore equipment |