Austenitic stainless steels

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 – for welding 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)
Titanium-alloyed stainless steel 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 -
Nitronic 60** Nitrogen-strengthened anti-galling alloy Bal. 0.1 16.0-18.0 8.0-9.0 - 3.5-4.5 7.0-9.0 - - N 0.08-0.18
1.4091 Heat-resistant steel typically used in automotive applications Bal. 1.15 34 15.0 3 1.0 0.7 0.03* 0.03* -
1.4892 Heat-resistant steel typically used in automotive applications 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.
* Maximum value.
** Nitronic is a trademark owned by AK Steel Corporation.

Datasheet

Osprey® 316L austenitic stainless steel metal powder for additive manufacturing (PDF document, 200 kB)

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