barrel and screw for plastic extruder machine

Product Description Product Name barrel and screw for plastic extruder machine Material 38CrMoAlA, 42CrMo(JIS SCM440), SKD11,61 Diameter Φ15mm-350mm Application Suit for cable , sheet , pipe , profile Nitride Case Depth 0.5mm-0.8mm Nitride Hardness 1000-1100HV Nitride Brittleness ≤Grade One Surface Roughness Ra0.4um Screw Straightness 0.015mm Alloy Hardness HRC68-72 Designing Screw structure and compression ratio can be designed according to different products & different output re quirement. Technology 1)Longer time Gas Nitriding treatment 2)Special corrosion & abrasion alloy (bimetallic) 3)Tungsten carbide 4)Cobalt base alloy 5)Stainless steel 6)GH113 nickel based alloy   Packing Wrapped up by film in wooden case Payment Term T/T , L/C , WESTERN UNION Delivery Term 25 working days Port Departure Shanghai/Ningbo Min. Order 1 set Guarantee Common Nitrided:2.5-4years Bimetallic: much longer lifetimeProducts ShowPacking & DeliveryPacking Details  : Wood Case (standard exp…

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