Duplex stainless steels

The standard range of Osprey® metal powder includes various types of duplex stainless steel.

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Other duplex stainless steels are also available. Contact us to discuss the full range of metal powder alloys.

Selected duplex and special stainless steels incl. chemical composition (nominal), %
Alloy
(UNS)
Description Fe C Cr Ni Mo Si Mn P S N Other
Osprey 2205
(S32205/31803)
Duplex stainless steel Bal. ≤0.030 22 5 3.2 ≤1.0 ≤2.0 ≤0.030 ≤0.015 0.18 -
Osprey 2507 (S32750) Super-duplex stainless steel Bal. ≤0.030 25 7 4 ≤0.8 ≤1.2 ≤0.025 ≤0.015 0.3 Cu 0.5
Osprey 2707 (S32707) Hyper-duplex stainless steel Bal. ≤0.030 27 6.5 4.8 ≤0.5 ≤1.5 ≤0.035 ≤0.010 0.4 Co 1.0
Osprey 3207 (S33207) Hyper-duplex stainless steel Bal. ≤0.030 32 7 3.5 ≤0.8 ≤1.5 ≤0.035 ≤0.010 0.5 -

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