injection molding Screw Tip Assembly 

Brief introduction： Screw Tip Assembly (Alloy Spraying, Chrome Plating, Coating) Basic parameters： The outer diameter of the Screw Tip Assembly : 15mm≤d≤300mm Material: SKD61, HPT series, 38CrMoAL, 42CrMo Process: coating, alloy spraying, electroplating, gas nitriding, quenching + ion nitriding Finish     ：Ra≤0.4 Thickness of Chrome plating layer: 0.03-0.05mm lloy hardness: nickel-based HRC54-58     Tungsten carbide: HRC58-60 Thickness of alloy layer: 1.5-2mm Scope of application： Composition and process：