Ningbo Tianze Machinery Technology Co.,

More info pls find kaylee(at)tizatech.com , our web is www*tizatech*com<br />
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Specification:<br />
Diameter: Ø15-Ø500<br />
L/D ratio:15-55<br />
Base Materials:1)38CrMoAlA(SACM 645)<br />
2)42CrMo(AISI 4140)<br />
3)Cr12MoV(SKD11)<br />
4)4Cr5MoSiV1(SKD61)<br />
5)9Cr18MoV<br />
6)40Cr<br />
Bimetallic Alloy Materials:1)Fe-based alloy<br />
2)Ni-based alloy<br />
3)Co-based alloy<br />
4)Tungsten carbide<br />
Processing Technology:Heat treatment<br />
High-frequency quenching<br />
Nitriding treatment<br />
Hard-chrome electroplating<br />
Bimetallic alloy welding<br />
Technical Parameter:Nitrided layer depth:0.50-0.80mm<br />
Nitrided hardness: 900-1100HV<br />
Nitrided brittleness: Less than 2 level<br />
Surface roughness: Ra 0.4<br />
Linearity of screw: 0.015mm<br />
Hard-chrome plating hardness: ≥950HV<br />
Chrome-plating layer depth: 0.025~0.10mm<br />
Bimetallic layer depth: 2 mm<br />
Bimetallic hardness: HRC50-65<br />
Material to be extruded:PP, PE, PVC, ABS, AS, PS etc.<br />