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Description
Technical Parameter
Screwout diameter OD:15mm-300mm
ScrewlengthL:≤10000mm
Nitriding hardness:≥HV900
After grinding 0.20mm,≥HRC 760(38CrMOALA)
Nitrided brittleness: ≤2 level
Surface finish:Ra0.4u m
Straightness:0.015mm
Thickness of bimetalliclayer:1.5mm-2mm
Hardness of bimetalliclayer:HRc53.57(Ni-based),HRC60-65(Ni base+tungsten carbide)
Thickness of chrome platinglayer:0.03mm-0.05mm
Screwout diameter OD:15mm-300mm
ScrewlengthL:≤10000mm
Nitriding hardness:≥HV900
After grinding 0.20mm,≥HRC 760(38CrMOALA)
Nitrided brittleness: ≤2 level
Surface finish:Ra0.4u m
Straightness:0.015mm
Thickness of bimetalliclayer:1.5mm-2mm
Hardness of bimetalliclayer:HRc53.57(Ni-based),HRC60-65(Ni base+tungsten carbide)
Thickness of chrome platinglayer:0.03mm-0.05mm
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