Roll for manufacturing float glass

Details Roll for manufacturing float glass Roll for manufacturing float glass

1980-03-21

1981-10-06

Andrews, M. J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

148 315, C23F 704

Patent

active

042933358

ABSTRACT:
A lift-out roll for conveying a float glass ribbon formed on a bath of molten metal having excellent corrosion resistance to molten tin and high oxidation resistance is provided. The roll is made of a heat-resistant cast steel consisting essentially of 0.01-2.0 wt. % of a rare earthmetal; 0.1-3.0 wt. % of Al; 0.2-0.45 wt. % of C.; up to 2.0 wt. % of Si; up to 2.0 wt. % of Si; up to 2 wt. % of Mn; up to 0.04 wt. % of P; up to 0.04 wt. % of S; 19-22 wt. % of Ni; 23-27 wt. % of Cr and the balance of Fe.

REFERENCES:
patent: 2553330 (1951-05-01), Post et al.
patent: 3729308 (1973-04-01), Eiselstein et al.
patent: 3989514 (1976-11-01), Fujioka et al.
patent: 4017336 (1977-04-01), Foroulis
patent: 4082575 (1978-04-01), Eastman
patent: 4147536 (1979-04-01), Osumi et al.

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