Backing material

Details Backing material Backing material

1977-04-28

1978-08-01

Steiner, Arthur J.

Pipes and tubular conduits

Distinct layers

Coated

75128W, 138172, 138178, 220454, 428679, 428681, B32B 1518, B65D 2514

Patent

active

041038002

ABSTRACT:
A low alloy nickel-manganese steel consists essentially of carbon 0.18-0.23 weight percent, manganese 0.70-0.90 weight percent, silicon 0.20-0.35 weight percent, chromium 0.40-0.60 weight percent, nickel 0.40-0.70 weight percent, molybdenum 0.15-0.25 weight percent and the balance iron. The steel is especially well suited for use as a backing material for bimetallic cylinders prepared by the centrifugal casting process. The backing material has improved stability at the temperatures employed during centrifugally casting a layer of a lining alloy within a cylinder of the backing material. The backing also has improved weldability and less tendency to develop residual bending stresses under the temperatures and pressures encountered during manufacture and use of the cylinder.

REFERENCES:
patent: 3489620 (1970-01-01), Current
patent: 3658515 (1972-04-01), Saltzman
patent: 3793012 (1974-02-01), Walter et al.
patent: 3793013 (1974-02-01), Walter et al.
patent: 4026727 (1977-05-01), Finkl et al.
Engineering Alloys Digest, Inc., AlSl-8620, 2/58.
AlSl Steel Products Manual, "Steel Specialty Tubular Products," p.41, 2/72.
AlSl Steel Products Manual, "Carbon Steel Pipe, Structural Tubing," Line Pipe, Oil Country Tubular Goods, 8/73, pp. 16,17.

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