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Precipitation hardening stainless steels

Osprey® 15-5 PH

S15500 · 1.4545 · UNS S1550

Osprey® 15-5 PH is a precipitation hardening stainless steel with high strength and good resistance to general corrosion. It is typically used in aerospace applications.

Chemical composition, %

C
0.07
Si
1.0
Mn
1.0
P
0.03
S
0.04
Cr
14.0-15.5
Ni
3.5-5.5
Cu
2.5-4.5
Nb
0.15-0.45
Fe
Bal.

Properties

SAEAMS5862

Designations

UNSS15500
EN Number1.4545
StandardsUNS S1550

Suitable processes

  • Additive manufacturing
  • Metal injection moulding

Other precipitation hardening stainless steels