B - Operations – Transporting – 21 – B
Patent
B - Operations, Transporting
21
B
B21B 27/00 (2006.01) B22D 11/128 (2006.01) B22D 19/16 (2006.01) B32B 15/01 (2006.01) C22C 38/32 (2006.01)
Patent
CA 2136003
Rolls for metal shaping have at least a peripheral surface of an iron-based Fe- B or Fe-B-C cast alloy having from 1 to 20 wt% chromium; from 0.5 to 3 wt% boron; up to 1.0 wt% carbon; or higher carbon if substantial amounts of strong carbide forming elements such as Mo, V, Ti, W and Nb are present; optional alloying additions including the Mo, V, Ti, W and Nb and also including Si, Al, Mn, Ni and Cu; and, apart from incidental impurities, a balance of Fe.
Lakeland Kenneth Donald
Nylen Tommy
Powell Graham Leonard Fraser
Akers International Ab
Commonwealth Scientific And Industrial Research Organisation
Sim & Mcburney
The University Of Queensland
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