公开(公告)号：WO2020007654A1

公开(公告)日：2020-01-09

申请号：PCT/EP2019/066838

申请日：2019-06-25

Applicant: HÖGANÄS AB (PUBL)

Inventor： MAROLI, Barbara ,  FRYKHOLM, Robert ,  BENGTSSON, Sven ,  FRISK, Karin

IPC: B23K9/04 ,  B23K10/02 ,  C22C38/02 ,  C22C38/22 ,  C22C38/24 ,  C22C38/32 ,  C22C38/34 ,  C22C38/36 ,  C22C38/44 ,  C22C38/46 ,  C22C38/54 ,  C22C38/56 ,  B23K26/342

Abstract: The present invention relates in one aspect to an iron-based alloy composition comprising: boron (B): 1. 6-2.4 wt.%; carbon (C): 2.2-3.0 wt.%; chromium (Cr): 3.5-5.0 wt.%; manganese (Mn): below 0.8 wt.%; molybdenum (Mo): 16.0-19.5 wt.%; nickel (Ni): 1.0-2.0 wt.%; silicon (Si): 0.2-2.0 wt.%; vanadium (V): 10.8-13.2 wt.%; and balanced with iron (Fe). In a further aspect the invention relates to an item comprising a substrate portion and a hardfacing coating bonded to the substrate portion, wherein the hardfacing coating is made by an overlay welding process using the iron-based alloy composition.

公开(公告)号：WO2020007652A1

公开(公告)日：2020-01-09

申请号：PCT/EP2019/066834

申请日：2019-06-25

Applicant: HÖGANÄS AB (PUBL)

Inventor： MAROLI, Barbara ,  FRYKHOLM, Robert ,  BENGTSSON, Sven ,  FRISK, Karin

IPC: B23K9/04 ,  B23K10/02 ,  C22C1/04 ,  C22C38/02 ,  C22C38/08 ,  C22C38/12 ,  B23K26/342

Abstract: The present invention relates in one aspect to an iron-based alloy composition comprising: boron (B): 1.6-2.4 wt.%; carbon (C): 1.7-3.0 wt.%; molybdenum (Mo): 16.0-19.5 wt.%; nickel (Ni): 3.5-6.S wt.%; manganese (Mn): below 0.8 wt.%; silicon (Si): 0.2-3.0 wt.%; vanadium (V): 10.8-13.2 wt.%; and balanced with iron (Fe). In a further aspect the invention relates to an item comprising a substrate portion and a hardfacing coating bonded to the substrate portion, wherein the hardfacing coating is made by an overlay welding process using the iron-based alloy composition.