gbt 11251 30cr steel mill gbt 11251 25cr2ni4wa steel equivalent material
gbt 11251 30cr steel datasheet - Steel Plate Factory. GBT 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.