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    1. Product features

      1. Material: 38CrMoAlA

      Nitriding treatment: Surface hardness: HV≥900

      Nitriding depth: 0.5-0.8mm


      2, material: special stainless steel,

      Quenched, hard HRC55-58, suitable for all kinds of transparent and corrosive materials, improve the life of screw.


      3, material: surface tungsten carbide ultra sound overall spray welding, improve the wear resistance of screw.


      Injection screw - Screw barrel of injection molding machine

      1. Material: 38CrMoAlA

      Nitriding treatment: Surface hardness: HV≥900

      Nitriding depth: 0.5-0.8mm


      2, material: special stainless steel,

      Quenched, hard HRC55-58, suitable for all kinds of transparent and corrosive materials, improve the life of screw.


      3, material: surface tungsten carbide ultra sound overall spray welding, improve the wear resistance of screw.