3.Depth of nitration case:0.5-0.8mm
4.Hardness of nitration: 950-1020HV
5.Fragility of nitration: Less than grade 1
6.Roughness of the surface:Ra 0.4um
7.Linearity of the screw:0.015mm
8.Chromium-plating layer thickness:0.03-0.08mm
9.The surface hard chromium plating hardness after nitrogenation:>=950HV
10.Guarantee: Common Nitrided: approx 2 years Bimetallic : much longer lifetime
Single screw and barrel | |||
Diameter
|
15mm-300mm |
Min. Order
|
1 set
|
Materials
| 38CrMoAlA (JIS SACM645) 42CrMo (JIS ACM440) SKD61 |
Discount
|
Available
|
Application
|
PVC PE PP…
|
Payment Term
|
T/T , L/C
|
Heat-Treatment
| Nitrided or Bimetallic Hardness:>950HV |
Delivery Term
| 30 working days |
Packing
| Wrapped up by film in wooden case |
Port Departure
|
Shanghai/Ningbo
|
Guarantee
|
Common Nitrided:1-2 years Bimetallic: much longer lifetime. | ||
