FIELD: glass manufacturing. SUBSTANCE: durable tool especially neck ring is constructed of material containing 1-5 mass/per cent of chromium, 0,1-1,5 mass/per cent of carbon, 12-35 mass/per cent of copper, ferrum is the rest. Material may additionally contain 0,2-0,5 mass/per cent of sulfur and 1-6 mass/per cent of nickel. EFFECT: enhanced quality. 4 cl
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Authors
Dates
1995-09-27—Published
1992-05-12—Filed