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Zhoushan Jianghai Screws Manufacture Co., Ltd
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PVC Screw and Barrel
| Payment Terms: | T/T,L/C,D/A,D/P,WU |
| Place of Origin: | Zhejiang, China (Mainland) |
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Product Detail
Material:
Alloy-steel of high-quality
1)38 CrMoAIA(JIS SACM645)
Material:
Alloy-steel of high-quality
1)38 CrMoAIA(JIS SACM645)Heat-treatment
Nitriding treatment
Electroplate hard-chrome
High-frequency quenching
Spraying corrosion wear-resisting dual metal layers
Vacuum quenching
Technical Parameter
Steel Material: DIN 41CrA1Mo7 / AST M4140 / GB 38CrMoAlA
Deepness of Nitriding Layer: 0.7 mm -0.9 mm
Hardness of Nitriding: HV900 - HV1, 000
Nitriding Brittleness: ≤ Grade 1
Chromate plating: Thickness 0.05 mm - 0.10 mm, hardness HV950
Special treatment: Carbide coating on screw flight and bimetallic barrel
Screw straight tolerance: 0.015 mm/m
Surface roughness: Ra 0.4μm
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Company Info
Zhoushan Jianghai Screws Manufacture Co., Ltd [China (Mainland)]
Business Type:Manufacturer, Trading Company, Distributor/Wholesaler
City: Zhoushan
Province/State: Zhejiang
Country/Region: China (Mainland)
