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          D270 Injection Moulding Screw Barrel


          Technical Information
          Main Base materials 1.38CrMoAlA (SACM645) Main Alloy Materials 1. Ni-based alloy/Deloro alloy
          2. SKD-61 (Special Tool Steel) 2. Tungsten carbide/Wolfram carbide
          3. 42CrMo (Ultrahigh StrengthSteel) 3. NiCo-based alloy
          4. DC53 (Cold WorkDie Steel) 4. Fe-based alloy
          5. W6Mo5Cr4V2 (High-SpeedToolSteel) 5. Co-based alloy
          Processing Technics 1. Heat treatment Technical parameters Nitriding layer depth:0.5-0.8mm
          2. Quenching Nitrided hardness:900-1000HV
          3. Nitriding treatment Bimetallic layer depth:3 mm
          4. Bimetallic alloy welding for screw Bimetallic hardness:57~69HRC
          5. Bimetallic alloy centrifugal casting for barrel Hard-chrome plating hardness after nitriding:≥950HV
          6. Hard-chrome electroplating Chrome-plating layer depth:0.03-0.09mm
          Linearity of screw:0.015mm Surface roughness:Ra 0.4

          This parameter is based on our domestic machines and is just for your reference. If you have your own parameter, we can also make it.
          Packaging Details
          Injection molding screw barrel 
          1. Be brushed anti-corrosive oil on screw barrel. 
          2. Packed with film. 
          3. Packed in the wooden.

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