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Martensitic stainless steels

Osprey® 440C

S44004 · 1.4125

Osprey® 440C is a martensitic stainless chromium steel with increased carbon content for very high hardness.

Chemical composition, %

C
0.95-1.20
Si
1.0
Mn
1.0
P
0.04
S
0.03
Cr
16.0-18.0
Mo
0.75
Fe
Bal.

Designations

UNSS44004
EN Number1.4125

Suitable processes

  • Metal injection moulding

Other martensitic stainless steels