Chrome steel casting alloy

Details Chrome steel casting alloy Chrome steel casting alloy

1976-06-09

1977-08-30

Steiner, Arthur J.

Metal treatment

Compositions

Heat treating

75128W, 148 37, C22C 3844

Patent

active

040452565

ABSTRACT:
A low carbon Martensite structure is obtained in a low chrome-nickel casting steel consisting of less than 0.06 percent C, 4.75 to 5.75 percent Cr, 2.75 to 3.50 percent Ni, 0.45 to 0.65 percent Mo, less than 1.0 percent each of Mn and Si, and less than 0.04 percent of each P and S with the remainder essentially Fe. The resulting material has excellent weldability and handling characteristics without preheat. It is superior in this regard to the present ASTM A217 Gr 56 alloy which it is intended to replace.

REFERENCES:
patent: 2388128 (1945-10-01), Eckel
patent: 2999039 (1961-09-01), Lula et al.
patent: 3663208 (1972-08-01), Kirby et al.

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