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Parallel twin screw and barrel for PE&PP pipe/sheet/profiles/board

Material: high quality 38CrMoAL, 1.8550, 1.8519,
SKD11, SKD61, D2, DC53, 42CrMo, 40Cr, C45, C30
Process: Advanced nitriding Process
Hardness After Hardening & Tempering: HB280-320
Nitrided Hardness: HV900-1000
Nitrided Case Depth: 0.45-0.7mm
Nitrided Brittleness: Less than Grade 2
Surface Roughness: Ra 0.4
Size: diameter 45mm-diameter 350mm



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