Material 17-4PH S17400 SUS630 Stainless Steel Sheets Sheets And Plates
Material 17-4PH S17400 SUS630 Stainless Steel Sheets Sheets And Plates
Precipitation Hardening (PH) stainless steels are classified as martensitic or semi-austenitic.
They develop their high strength and hardness through a variety of heat treatments resulting in
a very high strength-to-weight ratio. Semi-austenitic grades are 17-7PH and PH 15-7Mo.
They are austenitic in the annealed state, and martensitic in the hardened condition.
Martensitic grades include 17-4PH and 15-5PH.
The PH grades achieve high tensile properties in heat treated conditions.
Applications for PH steels include aerospace components, flat springs, and retaining rings.
Material 17-4PH, UNS S17400, AISI 630, SUS630, EN 1.4542, DIN X5CrNiCuNb17-4
Martensitic precipitation/age-hardenable stainless alloy offering high strength and hardness,
excellent corrosion resistance, and good fabricating characteristics.
Chemical composition %
| C | Si | Mn | P | S | Cr | Ni | Cu | Nb |
| 0.07 | 1.00 | 1.00 | 0.040 | 0.030 | 15.00~17.50 | 3.00~5.00 | 3.00~5.00 | 0.15~0.45 |
Forms
17-4PH stainless steel, UNS S17400 strip, coil, sheet, plate, wire, round bar, square bar, forgings
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