高碳当量低应力灰铸铁的生产

Production Technique of High CE and Low Stress Gray Irons

阐述了碳当量为 3. 9％～ 4.1％、σ b在 255MPa以上，且铸造应力低 (不需热处理 )的灰铸铁的具体生产措施，并分析了原因。

Production technique of a sort of high strength and low stress gray iron with CE of 3.9％～ 4.1％，σ b≥ 255 MPa and without heat treatment was described and analyzed.