The molded parts (mold core, core base, screw mouth) are all made of S136 high-strength anti-corrosion steel, and the hardness of the parts is controlled between HRC45-50°.
The material of the formed components (mold core, core seat, screw mouth) is S136 high-strength anti-corrosion steel, and the hardness of the parts is controlled between HRC45-50 °.
The molding parts (die core, core seat and screw) are made of S136 high-strength corrosion-resistant steel, and the hardness of the parts is controlled between HRC 45 and 50.