blow molding machine screw barrel

high quality screw barrel, single extruder screw barrel, best price - details see: https://www.machineto.com/blow-molding-machine-screw-barrel-10334489
Place of Origin:Zhejiang China (Mainland)Brand Name:WDModel Number:WDSJ02Hardness after Hardening & Tempering:HB240-280
Nitrided Layer Thickness:0.5-0.8mmChromium-Plating Layer Thickness:0.05-0.10mmBimetallic Layer Hardness:50-65HRCNitrided Layer Hardness:950-1020Hv
Surface Roughness:Ra0.4umScrew Straightness:0.015mmSteel Material:38CrMoALA,SKD61,SKD11,D2 etc.Nitriding Treatment Time:≥ 96 hours
Depth Of Alloy Layer:0.8-2.0mm   
blow molding machine screw barrel
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technical Index

Steel Material38CrMoALA,SKD61,SKD11,D2 etc.
Hardness after Hardening & TemperingHB240-280
Nitriding Treatment Time≥ 96 hours
Nitrided Layer Hardness950-1020Hv
Nitrided Layer Thickness0.5-0.8mm
Surface RoughnessRa0.4um
Surface Hardness58-64 HRC
Screw Straightness0.015mm
Chromium-Plated Surface Hardness After Nitriding≥ 900HB
Chromium-Plating Layer Thickness0.05-0.10mm
Bimetallic Layer Hardness50-65HRC
Depth Of Alloy Layer0.8-2.0mm


Grade List

GradeSteel MaterialProcessing
Standard Grade38CrMoALANitriding 96 Hours
Bimetallic Grade38CrMoALAHP/HVOF Spraying
TC-A GradeTungsten Carbide40%Centrifugal Casting
TC-B GradeTungsten Carbide25%Centrifugal Casting
TC-C GradeTungsten Carbide10%Centrifugal Casting


Material Available

Nitrided Steel42CrMo,38CrMoALA,etc.
Cool Work SteelD2,SKD61,9Cr18MoV etc.
Heat Resistant SteelSKH51, GH113 etc.

Working Process

Raw Material → Quenching & Tempering → Rough Machining → Semi finish Machining → Finish Machining → Nitriding Treatment → Bimetallic Casting → Inspection → Finish Products


1.rich strength----We have our own professional teams in the sales, design, production, inspection and customer service areas. We concentrate to bring customers the most perfect customer experiences.


2.high-quality products----We adopt a series of advanced production and processing equipments such as CNC machines , Stellite PTA welding machines to ensurethe quality of our products

blow molding machine screw barrel
Packaging Detail:wooded case
Delivery Detail:30days after order

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