Wanfang Mould for car battery box moulds 1.Material:P20,2738,718,45# 2.Cavity: Single ... 're specilized in Wanfang Mould for car battery box moulds Product Name Wanfang Mould for car battery box moulds Core & Cavity SteelP20,S55C,2738 ... // 718,2738,P20,45#.Steel hardnessHRC 30-36RunnerHot / Cool runnerMould StardardDME ...