Wear- and impact-resisting cast steel

Details Wear- and impact-resisting cast steel Wear- and impact-resisting cast steel

1977-04-14

1978-12-12

Steiner, Arthur J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75126D, 75126F, 75126Q, C22C 3828

Patent

active

041294424

ABSTRACT:
A low alloy cast steel consisting essentially of from 0.20 to 0.35% by weight of carbon, from 1.30 to 2.80% by weight of silicon, from 0.50 to 1.50% by weight of manganese, from 3.00 to 4.50% by weight of chromium, from 0.10 to 0.50% by weight of molybdenum, at least one element selected from titanium and zirconium, the sum of the titanium content and/or the zirconium content being between 0.03 and 0.10% by weight, and the balance essentially iron, has excellent mechanical properties, i.e., a hardness of Rockwell c 50 or higher and an impact value of 4 kg-m/cm.sup.2 or higher while being devoid of a rock-candy fracture due to the presence of aluminium nitride.

REFERENCES:
patent: 3044872 (1962-07-01), Hayes et al.
patent: 3574602 (1971-04-01), Gondo et al.
patent: 3973951 (1976-08-01), Satsumabayashi

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