Nitrided Plastic Machine Injection Screw Barrel injection machinery Spare Parts 

   Zhoushan Nitrided Plastic Machine Injection Screw Barrel injection machinery Spare Parts    Product Description   Product Description of Zhoushan Nitrided Plastic Machine Injection Screw Barrel injection machinery Spare Parts   Physical Characteristics of Bimetallic Screw: TypeModelHardness(HRC)Wear resistantCorrosion resistantThicknessApplicationGlass FiberPTA weldJ1 38CrMoAlANi-base alloy45-58ExcellentSpecial excellent1.5~3mmUnder 10%J2 SKD61Ni-base alloy45-58Special excellentExcellent1.5~3mmUnder 15%NitridingJ3 NitridedHV more than 800GoodGood0.25mm/ Types of Bimetallic Screw    Main Base materials 1.38CrMoAlA  (Nitriding Steel)2. SKD-61   (Special Tool Steel)3. 42CrMo (Ultrahigh Strength Steel)4. DC53 (Cold Work Die Steel) 5. W6Mo5Cr4V2 (High-Speed Tool Steel)6. HPT  Main Alloy Materials1. Ni-based alloy/Deloro alloy2. Tungsten carbide/Wolfram carbide3. NiCo-based alloy4. Fe-based alloy5. Co-based alloy     Processing Technics1. Heat treatment2. Quenching3. Nitriding treatment4…