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Rubber machine material pipe
Rubber dowel screw barrel diameter: φ 75~φ 200 Rubber cold and hot feeding screw barrel diameter: φ 65~φ 650 Length to diameter ratio: L/D=12/18
Product details
Rubber pin screw barrel diameter:φ75～φ200
Rubber cold and hot feeding screw barrel diameter:φ65～φ650
Length to diameter ratio:L/D=12/18
Technical indicators:
Tempered hardness:HB280～320
Nitriding hardness:950～1100HV
Nitriding depth:0.50～0.80mm
Nitriding brittleness:≤2level
Surface roughness:Ra 0.4μm
Screw straightness:0.015mm/m
Alloy layer hardness:HRC60～72
Alloy layer depth:≥3mm
Hardness of surface chrome plating after nitriding:≥950HV
Thickness of chrome plating layer:0.025～0.10mm
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