Low-alloy steel metal powder

The standard range of Osprey® metal powder includes a wide variety of low-alloy steel metal powder used in, for example, additive manufacturing and metal injection moulding (MIM).

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Other low-alloy steels are also available. Contact us to discuss the full range of metal powder alloys.

General steels

General low-alloy steels

Selected low-alloy steels incl. chemical composition (nominal), %
Alloy (UNS) Fe C Cr Ni Mo Si Mn S P
SCM415
(G41180)		 Bal. 0.20-
0.24		 0.90-
1.2		 0.25 0.15-
0.30		 0.15-
0.35		 0.60-
0.85		 0.03 0.03
4140
(G41400)		 Bal. 0.38-
0.43		 0.8-
1.1
-
 0.15-
0.25		 0.15-
0.35		 0.75-
1.00		 0.04 0.035
4340
(G43400)		 Bal. 0.38-
0.43		 0.7-
0.9		 1.65-
2.00		 0.2-
0.3		 0.15-
0.35		 0.6-
0.8		 0.03 0.03
4365 Bal. 0.62-
0.66		 0.7-
0.9		 1.65-
2.00		 0.2-
0.3		 0.15-
0.30		 0.6-
0.8		 0.04 0.035
4605 Bal. 0.4-0.6 - 1.5-2.5 0.2-0.5 ≤1.0 - - -
8620
(G86200)		 Bal. 0.18-
0.23		 0.4-
0.6		 0.4-
0.7		 0.15-
0.25		 0.15-
0.35		 0.7-
0.9		 0.04 0.035
SAE 52100
(G52986)		 Bal. 0.98-
1.10		 1.3-
1.6
-
-
 0.15-
0.35		 0.25-
0.45		 0.025 0.025

Thermal spray alloys

Low-alloy steel for thermal spray

The thermal spray powder is also suited for flame spraying or metallizing, without subsequent fusion of the coating. Good surface preparation is fundamental to the success of this process and the application of a bond coat (SB 80) is recommended.

Low-alloy steel for thermal spray, including flame spraying or metallizing incl. chemical composition (nominal), %
Alloy Description Fe C Cr Ni Si Mn Others
SC 20 Low-alloy steel Bal. 0.15 - - - 0.5 -