Khare steel

Details Khare steel Khare steel

1990-01-24

1991-02-12

Roy, Upendra

Alloys or metallic compositions

Ferrous

Chromium containing, but less than 9 percent

148320, 148334, 420109, 420111, C22C 3814, C21D 908

Patent

active

049922394

ABSTRACT:
A ferritic alloy steel with high ductility and high toughness, and a controlled microstructure for making pipe molds for centrifugally casting pipe consisting essentially of from about 0.12% to about 0.22% carbon, about 0.40% to about 0.80% manganese, about 0.025% maximum phosphorus, about 0.025% maximum sulphur, about 0.15% to about 0.40% silicon, about 0.00% to about 0.55% nickel, about 0.80% to about 1.20% chromium, about 0.15% to about 0.60% molybdenum, about 0.03% to about 0.08% vanadium, and balance essentially iron.

REFERENCES:
patent: 2858206 (1958-10-01), Boyce et al.
patent: 3348981 (1967-10-01), Goda et al.
patent: 4226645 (1980-10-01), Waid et al.
patent: 4354882 (1982-10-01), Greer
patent: 4394189 (1983-07-01), Greer
patent: 4664209 (1984-08-01), Taira et al.
patent: 4842816 (1989-06-01), Miyasaka et al.

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