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Defects in heat treatment process of large gray iron castings

At present, with the development of marine engine to large-scale, the demand for large cylinder diameter, large tonnage and high-performance engine castings is increasing. In order to meet the market demand for high-performance engines, our factory, as the production base of high-end Large Engine Castings, has also carried out...

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Application of furan resin in large gray iron castings

Furan resin can be divided into urea formaldehyde furan resin, phenol urea formaldehyde furan resin, formaldehyde sugar alcohol resin and high sugar alcohol resin. The price of UF resin is low, because of its high nitrogen content (5% – 11%). Although the strength of resin sand is high, the...

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