Stainless Steel 17-4PH
17-4PH is a precipitation hardening martensitic stainless steel which combines high strength and hardness (after heat treatment (up to 300°C)) with excellent corrosion resistance, and is suitable for easy fabrication. The name comes from the additions 17% Chromium and 4% Nickel.
Common applications aerospace, offshore, marine, food and oil.
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Composition of 17-4PH
| C | Mn | Si | P | S | Cr | Nb | Ni | Cu | |
|---|---|---|---|---|---|---|---|---|---|
| Min |
– |
– |
– |
– |
– |
15.0 |
0 |
3.0 |
3.0 |
| Max |
0.07 |
1.0 |
1.0 |
0.04 |
0.03 |
17.7 |
0.45 |
5.0 |
5.0 |
Hardness
| Hardness HB | Hardness HRC | |
|---|---|---|
| 17-4PH | 363 | 39 |
Equivalent grades
| grade 630 | 17-4PH | 1.4542 |
All technical information is provided for guidance only, and as such is not to be relied upon in place of the full specification.
[catlist name=stainless-steel]