FIELD: ferrous metallurgy; applicable in manufacture of rope sheaves of freight/passanger elevators. SUBSTANCE: cast iron has the following qualitative and quantitative composition, mas. carbon 2.8-3.4; silicon 1.6-2.2; manganese 0.5-0.9; phosphorus 0.05-0.15; chromium 0.005- 0.25; sulfur 0.08-0.12; molybdenum 0.35-0.70; barium 0.005-0.04; the balance, iron. EFFECT: higher service properties.
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Authors
Dates
1995-11-20—Published
1993-11-24—Filed