Forged roll for rolling a seamless steel pipe

Details Forged roll for rolling a seamless steel pipe Forged roll for rolling a seamless steel pipe

1997-06-24

1998-09-29

Cuda, Irene

Roll or roller

Single annular member, per se

Specific metallic composition

492 54, 492 57, C22C 3812

Patent

active

058139621

ABSTRACT:
A forged roll for rolling a seamless steel pipe, having excellent biting properties and wear resistance. The forged roll includes a high carbon alloy cast steel comprising about 1.10-1.85 wt % carbon, about 0.3-1.2 wt % silicon, about 0.4-1.5 wt % manganese, about 0.5-2.0 wt % nickel, about 0.5-2.0 wt % chromium and iron. Heat treatment for spheroidal carbide formation is performed so that the spheroidal carbide covers about 35-55% of the area of the roll metallurgical structure.

REFERENCES:
patent: 4191599 (1980-03-01), Stickels
patent: 4989306 (1991-02-01), Leino et al.
patent: 5283121 (1994-02-01), Bordner
patent: 5411462 (1995-05-01), Link
patent: 5445589 (1995-08-01), Shimizu
patent: 5484372 (1996-01-01), Nawata et al.
patent: 5505682 (1996-04-01), Shimizu

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