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It is used for mold handspike and mold ejector pins. It is one of the main products of our company. The diameter ranges from 5mm to 18mm. The main materials of it are 38CrMoAl, 65Mn. The oil tempered spring steel wire has good abrasive resistance and toughness compared with ordinary steel wire. So oil tempered spring steel wire has became the main material of mold ejector pins.
