1) 38CrMoAlA(JIS SACM645)2) 42CrMo(JIS SCM440)1) 38CrMoAlA(JIS SACM645)2) 42CrMo(JIS SCM440)Nitriding treatmentElectroplated hard-chrome finishHigh frequency quenchingSpray bimetallic coatingVacuum quenching
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Barrel For Injection Molding Machine