Roll and process for producing same

Details Roll and process for producing same Roll and process for producing same

1975-03-18

1976-12-28

Stallard, W.

Metal treatment

Compositions

Heat treating

291484D, 148 34, 148127, 148138, 164 98, 219 73R, 219 76, C21D 938, C23C 110

Patent

active

040000109

ABSTRACT:
A roll and process for producing same are disclosed. This process includes the steps of: horizontally placing a core body made of a cast steel or a steel based Adamite containing from 0.5 to 2.5 %C, said core body having one or more circumferential grooves; feeding a consumable electrode wire into said groove or grooves, while rotating said core body, to thereby obtain according to an electro-slag welding process a deposited metal or metals filled in said groove or grooves, said deposited metal or metals containing from 1.5 to 2.5%C, from 0.2 to 1.0% Si, from 0.5 to 1.0% Mn, from 0.5 to 3.0 % Cr, from 0.2 to 3.0 % Mo, from 0 to 2.0 V, the balance being essentially Fe, and inevitable impurities; subjecting same to heat treatment at a temperature ranging from 500.degree. C to 700.degree. C; or feeding a consumable electrode wire into said groove or grooves, while rotating said core body, to thereby build-up a steel based Adamite deposited metal or metals over the surfaces of said groove or grooves to fill same according to an electro-slag welding process, the aforesaid Adamite deposited metal or metals containing from 1.5 to 2.5 % C and other suitable alloy elements and being built-up to a radial thickness ranging from 20 mm to 1/10 of the original diameter of said core body.

REFERENCES:
patent: 3109918 (1963-11-01), King
patent: 3231430 (1966-01-01), Krieger et al.
patent: 3433926 (1969-03-01), Dick
patent: 3718956 (1973-03-01), Sekimoto et al.

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