Precipitation hardening stainless steel metal powder

The standard range of Osprey® metal powder includes precipitation hardening stainless steel metal powder used in processes, such as additive manufacturing, metal injection moulding (MIM) and micro-MIM.

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Other precipitation hardening steels are also available. Contact us to discuss our full range of metal powder alloys.

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Selected precipitation hardening stainless steels incl. chemical composition (nominal), %
Alloy (UNS) Description Fe C Cr Si Mn S P Cu Nb Al Ni
15-5 PH
(S15500)		 See below1) Bal. 0.07 14.0-
15.5		 1.0 1.0 0.04 0.03 2.5-
4.5		 0.15-
0.45
-
 3.5-5.5
17-4 PH
(S17400)		 See below2) Bal. 0.07 15.5-
17.5		 1.0 1.0 0.04 0.03 3.0-
5.0		 0.15-
0.45
-
 3.0-5.0
17-7 PH
(S17700)		 See below3) Bal. 0.09 16.0-
18.0		 1.0 1.0 0.04 0.04
-
-
 0.75-
1.50		 6.5-7.75

1) For use in fasteners and air frame parts.
2) Widely used in MIM because of its high strength, high hardness, excellent corrosion resistance and easy heat treatment.
3) For use in high-strength high-temperature applications, chemical processing equipment, heat exchangers.