Steel powder for use in additive manufacturing processes
OwnerGunnar Broberg, Ulrika Fager +2inventors
InventorsGunnar Broberg, Ulrika Fager, Fredrik Mikaelsson, Teodor Haglund
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Abstract
Described is a steel powder intended to be used in additive manufacturing, having a composition which includes in wt.-%: C 0.15-0.26, Si 0.5-1.5, Mn 0.5-1.0, Cr 0.5-1.5, Mo 0.1-0.4, N 0.006-0.025, optionally V equal to or less than 0.15, optionally Nb equal to or less than 0.03, optionally Ti equal to or less than 0.02, optionally B equal to or less than 0.005, balance Fe and unavoidable impurities; wherein the unavoidable impurities Ni, P and S are limited to: Ni equal to or less than 0.15, P max 0.03, and S max 0.005.
Claims21
A steel powder for use in additive manufacturing processes, the steel powder comprises the following composition in percent by weight (wt.-%):
- C
- 0.15-0.26,
- Si
- 0.5-1.5,
- Mn
- 0.5-1.0,
- Cr
- 0.5-1.5,
- Mo
- 0.1-0.4,
- N
- 0.006-0.025,
- optionally V equal to or less than 0.15,
- optionally Nb equal to or less than 0.03,
- optionally Ti equal to or less than 0.02,
- optionally B equal to or less than 0.005,
- balance Fe and unavoidable impurities;
- wherein the unavoidable impurities Ni, P and S are limited to:
- Ni
- equal to or less than 0.15,
- P
- equal to or less than 0.03, and
- S
- equal to or less than 0.005.
(canceled)
Dependencies are inferred from the claim text.