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S50C——优质碳素钢
钢材特性:此钢较适用于一般塑胶模,因其含碳量较高,比普通钢料耐用,且价格平宜,故较为普通使用。尺寸规格:圆形(MM)1216192528323538424550556065707580859095100105110115120125130140150160170180190200210220230250260280300310330340360方形(MM)91216192532384550657590105110120128)