Spheroidal graphite cast iron

Details Spheroidal graphite cast iron Spheroidal graphite cast iron

1990-06-19

1992-03-31

Roy, Upendra

Alloys or metallic compositions

Ferrous

1.7 percent or more carbon containing

420 18, C22B 400

Patent

active

051006120

ABSTRACT:
Spheroidal graphite cast iron containing 0.016-0.030 weight % of S, in which the number of spheroidal graphite particles having a diameter of 2 .mu.m or more is such that it is 1700/mm.sup.2 or more when an as-cast iron portion measured has a thickness of 3 mm. This cast iron is produced by:

REFERENCES:
patent: 2770871 (1956-11-01), Demalander
patent: 3253907 (1966-05-01), Schwindt et al.
patent: 4971623 (1990-11-01), Wilford
"Addition of Rare Earth Elements in the Production of Spheroidal Graphite Cast Iron and Its Practice", Jactnews No. 341, May 20, 1985, pp. 22-28, Published by Chuzo Gijutsu Rukyu Kyokai (The Casting Technology Association).

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