Product Name
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Parallel twin screw cylinder for BATTENFELD
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Base Material (steel)
|
38 CrMoAlA(JIS SACM645);
42 CrMo(AISI 4140);
Cr12MoV(JIS SKD-11);
4Cr5MoSiV1(JIS SKD-61)
|
Process
( hot treatment)
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Nitriding treatment 72 hours
Bimetallic treatment
|
Hardness after hardening and tempering
|
HB260-320
|
Nitrided Hardness
|
HV900-1000
|
Nitrided Case Depth
|
0.5 - 0.8 mm
|
Nitrided Brittleness
|
Less than Grade 2
|
Surface Roughness
|
Ra 0.4
|
Screw Straightness
|
0.015 mm
|
Bimetallic Hardness
|
HRC 53-65
|
Bimetallic Depth
|
0.8-2.0mm for screw ; 1~3mm for barrel
|
Chromium plating Depth
|
0.05~0.10mm
|
Hardess of surface chromium-plating after Nitriding
|
HV≥950HV
|
Scope of application:
WPC PVC. WPC PE, Super high molecular sheet, 1/2 high Calcium buckle, 50-400 high Calcium pipe, 50-300 high Calcium Profile, soft PVC
Sheet, XPS- PVC etc.
PP, PE, ABS, PVC, raw material, pelletzing , pipe, profile, sheet etc.