Bimetallic screw barrel for injection

Depth of nitrification 0.4-0.7mm, Hardness of nitrification HV840-980, Surface roughness Ra0.4-0.8, Screw straightness 0.015mm/m - details see: https://www.machineto.com/bimetallic-screw-barrel-for-injection-10334889
Place of Origin:Zhejiang China (Mainland)Brand Name:yuanjingMaterial:SACM645. 38CrMoALANitriding depth:0.5mm-0.75mm
Nitriding hardness:HV950°-HV1100°Application:PP.PE .ABS .AS.PS .PU.TPU.EVA  
Bimetallic screw barrel for injection
contact supplier for Bimetallic screw barrel for injection


Bimetallic screw barrel


For screw: Dia. 15-300 mm Length 300-9000 mm L/D ratio: 15-50
For barrel: Dia.30-500 mm Length 300-8000 mm

Grade available:

Standard grade: 38CrMoAlA + nitriding 96 hours

Bimetallic grade: 38CrMoAlA + bimetallic alloy

Techinical information:

Steel Material
38CrMoALA,SKD61.,D2 etc.
Hardness after Hardening&Termpering
HB240-280
Nitriding Treatment
≥ 96 hours
Surface Hardness
58-64 HRC
Nitrided layer depth
0.5-0.8mm
Surface Roughness
Ra0.4
Screw Straightness
0.015mm
Chromium-Plated Surface Hardness after nitriding
≥900HB
Chromium-Plating Layer Thickness
0.05-0.10 mm
Bimetallic Layer Hardness
50-65 HRC
Depth of Alloy Layer
0.8-2.0 mm

Our company can produce screw and barrel according to every customer's drawing and need

Bimetallic screw barrel for injection
Packaging Detail:Wooden case (Export standard)
Delivery Detail:20 days after order comfirmed

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