Sintered steel-bonded carbide hard alloys
United States Patent 3380861

Inventors:
Fritz, Frehn
Publication Date:
04/30/1968
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Assignee:
DEUTSCHE EDELSTAHLWERKE AG
Primary Class:
75/241
Other Classes:
148/514, 75/236, 419/17, 419/15, 75/246, 419/11
International Classes:
C22C29/00; C22C29/06; C22C33/02
US Patent References:
3053706Heat treatable tool steel of high carbide content
3183127Heat treatable tool steel of high carbide content