Single screw and barrel for extruder
Single screw and barrel for extruder
Specification:
Diameter: Ø15-Ø300
L/D ratio: 15-55
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Base Materials: |
1)38CrMoAlA(SACM 645) 2)42CrMo(AISI 4140) 3)Cr12MoV(SKD11) 4)4Cr5MoSiV1(SKD61) 5)9Cr18MoV 6)40Cr |
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Bimetallic Alloy Materials: |
1)Fe-based alloy 2)Ni-based alloy 3)Co-based alloy 4)Tungsten carbide |
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Processing Technology: |
Heat treatment High-frequency quenching Nitriding treatment Hard-chrome electroplating Bimetallic alloy welding |
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Technical Parameter:
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Nitrided layer depth: 0.50-0.80mm Nitrided hardness: 900-1100HV Nitrided brittleness: Less than 2 level Surface roughness: Ra 0.4 Linearity of screw: 0.015mm Hard-chrome plating hardness after nitriding: ≥950HV Chrome-plating layer depth: 0.025~0.10mm Bimetallic layer depth: 2 mm Bimetallic hardness: HRC50-65 |
Contact : lucy qiu, 0086 574 87201117
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