12crni3 explosion proof steel plate quality
gbt 11251 25cr2mova steel datasheet - Steel SupplierGBT 11251 20CrMn steel datasheet - alloy-steel-plate. GBT 11251 20CrMn steel datasheet is widely used in the landing gear,shaf,gear,solid rocket engine shell,bearings,dies,block and so on. Contact. Related Products. GBT 11251 20CrNi3 steel equivale ...