1.4542 stainless steel
Martensitic precipitation hardening steel, niobium-stabilized, with very good yield strength properties (1.4542)
Code | X5CrNiCuNb16-4 |
US standard (AISI) | 630 |
Composition Alloying components [%] | C: 0 - 0.07 Cr: 15.00 - 17.00 Cu: 3.00 - 5.00 Mn: 0 - 1.50 Mo: 0 - 0.60 Ni: 3.00 - 5.00 P: 0 - 0.04 S: 0 - 0.015 (0.030*) Si: 0 - 0.70 Nb: 5 x C - 0.45 Remainder: Fe |
Stainless steel grade | C3 |
Density [g/cm³] | 7.8 |
Nickel migration [µg/(cm² x week)] in artificial perspiration (pH 4.5) | <0.05 |
Yield point Rp0.2 [N/mm²] | ≥1000 |
Tensile strength Rm [N/mm²] | ≥1270 |
Corrosion resistance | Good Resistant to all natural environmental conditions and quiet seawater |
Machinability | Medium - poor |
Weldability | Good |
Other properties | Martensitic ferromagnetic structure that is particularly strong after precipitation hardening Cannot be mechanically polished with satisfactory results Suitability for electropolishing: medium For use in the temperature range -50 - 450°C |
Main uses | 1.4542 is used when high levels of strength are required in combination with good corrosion resistance: Bolts/screws Spindles, axles Hub plates Shipbuilding equipment Offshore equipment Aerospace |