| Model: | - |
|---|---|
| Brand: | shenglong |
| Origin: | Made In China |
| Category: | Industrial Supplies / Other Industrial Supplies |
| Label: | rubber machine , screw and barrel , extruder |
| Price: |
US $1000
/ set
|
| Min. Order: | 1 set |
| Live Chat: | Last Online:30 Nov, 2016 |
diameter of pin screw and barrel: Φ75-Φ200mm
diameterof cold feed or hot feed screw and barrel: Φ30mm-300mm
L/D ratio:12-18
technical parameter
Depth of Nitrated Layer: 0.5-0.8mm
Hardness of nitration: 900-1020Hv
Fragility of nitration: Less than grade 1
Surface roughness: Ra 0.4um
Hardness of Cr-coating Layer: ≥950Hv
Thickness of Cr-coated Layer: 0.03-0.08m
Hardness of Bimetallic Layer: HRC55-72
Depth of Bimetallic Layer: >2mm
