Austenitic stainless steel metal powder

The standard range of Osprey® metal powder includes various types of austenitic stainless steels to be used in a wide range of applications, such as additive manufacturing and metal injection moulding (MIM).

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Selected austenitic stainless steels incl. chemical composition (nominal), %
Alloy (UNS) Description Fe C Cr Ni Mo Si Mn S P Other
304L
(S30403)
See below1) Bal.

0.03

18.0-20.0

8.0-12.0

1.0

2.0

0.03

0.045

310S
(S31008)
Low carbon type 310 Bal.

0.08

24.0-26.0

19.0-22.0

1.5

2.0

0.03

0.045

316L
(S31603)
See below2) Bal.

0.03

16.0-18.0

10.0-14.0

2.0-3.0

1.0

2.0

0.03

0.045

316Ti
(S31635)
Stainless steel with titanium Bal.

0.08

16.0-18.0

10.0-14.0

2.0-3.0

1.0

2.0

Ti 0.7, N 0.25

'904L' See below3) Bal.

0.02

19.0-23.0

23.0-28.0

4.0-5.0

1.0

2.0

0.035

0.045

N-50 See below4) Bal. 0.03-0.05 20.5-22.0 11.7-13.0 2.0-2.5 0.2-0.6 4.0-5.5 ≤0.015 ≤0.040 Ta ≤0.10, Ti ≤0.02, Sn ≤0.03, W ≤0.15, Cu ≤0.75
N-60 See below5) Bal.

0.1

16.0-18.0

8.0-9.0

3.5-4.5

7.0-9.0

N 0.08-0.18

1.4892 See below6) Bal.

0.5

21

4.5

0.3

9.0

≤0.05

≤0.03

HK-30
(J94203)
Heat-resistant steel Bal.

0.25-0.35

23.0-27.0

19.0-22.0

0.5

0.75-1.75

1.5

Nb 1.20-1.50


1) Essentially non-magnetic, becomes slightly magnetic when cold worked. Low carbon content means less carbide precipitation in the heat-affected zone during welding and a lower susceptibility to intergranular corrosion.
2) Good corrosion resistance to most chemicals. High creep strength at elevated temperatures. The low carbon content reduces the possibility of in vivo corrosion for medical applications.
3) High-alloy austenitic stainless steel characterized by very good resistance to general corrosion in sulphuric, phosphoric and acetic acid as well as very good resistance to pitting corrosion and stress corrosion cracking.
4) Nitrogen-strengthened anti-galling alloy with good corrosion resistance, of the same type as Nitronic® 50 which is a trademark owned by AK Steel Corporation.
5) Nitrogen-strengthened anti-galling alloy of the same type as Nitronic® 60 which is a trademark owned by AK Steel Corporation.
6) Heat-resistant steel is typically used in automotive applications.

Our austenitic stainless steel metal powder is typically used in applications such as: