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Contact Us
- Contact Person : Ms. Seven Yee
- Company Name : Zhoushan Jianghai Screws Manufacture Co., Ltd
- Tel : 86-15257074-202
- Fax : 86-0580-8805737
- Address : Zhejiang,Zhoushan,Dinghai
- Country/Region : China
- Zip : 316000
Film Blowing Machine Screw Barrel
Product Detailed
Related Categories:Plastic Product Making Machinery Parts
Technology Index:
|
Material |
38CrMoAIA |
Surface Roughness |
Ra0.4 |
|
Diameter |
Φ20-Φ300 |
Screw Straightness |
0.015mm |
|
L/D Ratio |
L/D=15～55 |
Cr-Plated Surface Hardness after Nitriding |
HV≥900HV |
|
Tempering Hardness |
HB240°～280° |
Cr-Plating Layer Depth |
0.05～0.10mm |
|
Nitriding Layer Hardness |
HV850°～1000° |
Bimetallic Layer Depth |
0.8～2.0mm |
|
Nitriding Layer Depth |
0.45～0.7mm |
Bimetallic Layer Hardness |
HRC56°～65° （nickel-based alloys） |
|
Nitriding Fragility |
≤Grade Two |
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