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Injection Screw Barrel
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Zhoushan Demaji Industrial Co.,Ltd
China - Zhoushan
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--Product Description
China,Tungesten Alloy
Process Specifications of screw and barrel：
25-38000KN clamping force
30g-50000g injection unit
The normal material of Screw and Barrel:
Material:38CrMoALA
Hardness after hardening and tempering:HB260°～320°
Nitrided Hardness:HV950°～1000°
Nitrided Depth:0.50～0.7mm
Nitrided Brittleness:above 2 stage
Surface Roughness:Ra0.4
Screw straightness:0.015mm
Hardess of surface chromium-plating after Nitriding:HV≥950HV
Chromium-plating Depth:0.05～0.10mm
ALLoy Depth:0.8～2.0mm
Alloy hardness:HRC56°～65°
Alloy:iron,nickel,tungsten,molybdenum.
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