WEAR-RESISTANT IRON-BASED ALLOY COMPOSITIONS COMPRISING NICKEL

WEAR-RESISTANT IRON-BASED ALLOY COMPOSITIONS COMPRISING NICKEL

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): 3.5-6.5 wt.%; manganese (Mn): below 0.8 wt.%; silicon (Si): 0.2-3.0 wt.%; vanadium (V): 10.8-13.2 wt.%; and bala...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: ROBERT FRYKHOLM, SVEN BENGTSSON, BARBARA MAROLI, KARIN FRISK
Format: Patent
Sprache:eng
Schlagworte:
CASTING
MAKING METALLIC POWDER
MANUFACTURE OF ARTICLES FROM METALLIC POWDER
PERFORMING OPERATIONS
POWDER METALLURGY
TRANSPORTING
WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung: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): 3.5-6.5 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.