708A37 735A30 高耐磨钢 SMnC420 SMnC443 SACM645 SCr415H SCr420H SCr430H SCr435H SCr440H SNC415H SNC631H SNC815H SNCM220H SNCM420H SCM415H SCM418H SCM420H SCM435H SCM440H SCM445H SCM822H SMn420H SMn433H SMn438H SMn443H SMnC420H SMnC443H
主要用途:适宜制做铝、锌、铜合金挤压模、压铸模、热锻模、及热剪切刀片等,是制作顶杆、套筒的理想材料?,也适宜制造高产量塑胶模具。