主要材料: 针状贝氏体或珠光体球铁.无限冷硬铸铁 主要性能: 硬度:58~72HSD;抗拉强度≥550Mpa; 冲击韧性: ≥4 J 金相组织:珠光体或贝氏体基体 制造方法: 离心复合或静态铸造 Main Materials:Acicular Bainite Nodular Casting Iron, Pearlite Nodular Casting Iron, Indefinite Chill Casting Iron Property:Hardness: 58~72HSD;Tensile Strength ≥550Mpa; Impact Strength ≥4 J Casting Method:Centrifugal composite or static casting