Tube Extrusion Screw Barrel
Product Description
Product Detail
Tube extrusion screw barrel
With our intensive working experience and customized solutions, now we have been regarded to be a reliable China Tube Extrusion Screw Barrel Factory; we sincerely hope to develop long lasting business relationship along with you with our greatest service.
With strong technical strength, advanced production equipment, professional & dedicated colleagues, our factory obtained the ISO 9001:2008 international quality management system certification and CE certification. We look forward to keep ourselves connected with each and every plastic/rubber business. You’re very welcome to contact us for Pricelist for China Plastic Machine, Tube Extrusion Screw Barrel.
Plastic tube(pipe) is widely used in our daily life, industrial life as well as commercial life, therefore tube extrusion screw barrel (pipe extrusion screw barrel) is vastly produced by tube extruders ( pipe extruders).
Each year, EJS produces thousands of tube extrusion screw barrel for tube extruder machine people as well as tube manufacturers. EJS is a professional manufacturer of Feedscrew, Rubber Screw, Rubber Screw Barrel for years, with customers of OEM machine builders as well as end users.
One taste can’t please all. One material can’t work for all applications either, therefore we select a number of other steels to produce screws and barrels for best performances at best costs, this include 34cralni7, C276 material, Double Screw Extruder.
Bore diameter available for Tube extrusion screw barrel
Single screw barrel for tube extrusion screw barrel: ¢25 ~ ¢ 250
Twin screw barrel for tube extrusion screw barrel: ¢25 ~ ¢ 130
Popular Materials used for Tube extrusion screw barrel
38CrMoAlA (DIN1.8509)
34CrAlNi7 (DIN1.8550)
31CrMoV9 (DIN1.8519)
40Cr (AISI 4340)
42CrMo ( AISI4140)
D2 (DIN 1.2379)
SKD61
SKD11
Hastelloy 276
Inconel 625
Surface Treatment of Tube extrusion screw barrel
Full body nitrided
Ni60 hardfacing bimetallic
Colmonoy #56
Colmonoy 83
Ceramic coating
Application of Tube extrusion screw barrel
PVC tube
PP tube
Nylon tube
PE tube
HDPE tube
Recycled HDPE tube
LDPE tube
Inspection of Tube extrusion screw barrel
From materials till shipping mark, every process is strictly and seriously taken care of by EJS dedicated employees to make sure each and every tube extrusion screw barrel will be well performing in the machine.
What makes EJS tube extrusion screw barrel better than others?
When EJS factory has rich experiences working with different customers worldwide for almost 30 years, when EJS management keeps investing on the machines and their employees, we are fully aware that PEOPLE plays a significant role in the whole process on the tube extrusion screw barrel.
About E.J.S.
EJS Screw Barrels is a newly created brand name for Export business with manufacturing experiences since 1992.
A screw barrel manufacturer dedicated on producing customized screw barrel and design extruder screw barrels, injection moulding screw barrels.
Bimetallic Screw Barrels
We started to make bimetallic screw barrel at a very early age, almost the same time as the first bimetallic barrel was born in China. Now we have several types for options depending on different applications
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Bimetallic Barrels |
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Alloy Type |
EJS01 Alloy |
EJS02 Alloy |
EJS03 Alloy |
EJS04 Alloy |
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Alloy Components |
Fe+Ni+Cr+B |
Ni+Cr+Co+B |
Ni+Cr+Co+V+B |
Ni+Wc+Cr+B |
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Wearing Resistance |
★★★ |
★★ |
★★★ |
★★★★ |
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Corrosion Resistance |
★★ |
★★★ |
★★★ |
★★★ |
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Alloy Thickness |
2~3mm |
1.5~2mm |
1.5~2mm |
1.5~2mm |
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Hardness |
HRC 58-65 |
HRC 50-58 |
HRC 55-60 |
HRC 55-65 |
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Temperature Range |
≤400 |
≤450 |
≤450 |
≤600 |
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Coefficient Thermal |
RT~250℃ |
11.0x10-6 |
11.0x10-6 |
11.5x10-6 |
11.0x10-6 |
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Expansion(/℃) |
RT~400℃ |
11.4x10-6 |
11.4x10-6 |
12.4x10-6 |
12x10-6 |
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Range of Workable Length |
700mm~3000mm/piece |
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Base Steel Vastly Used |
40Cr: 42CrMo |
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Mark in the list: ★★★★ Excellent; ★★★ Very Good; ★★Good |
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Bimetallic Screws |
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Suitable for |
Single Screw, Twin Parallel Screw, Twin Conical Screw |
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Alloy Type |
Ni60 |
CoImonoy 56 |
CoImonoy 83 |
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Alloy Components |
Ni+Cr+Fe+Si |
Ni+Cr+Si+Fe |
Ni+Wc+Cr+C |
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Anti-Wearing Level |
★★★ |
★★★ |
★★★★ |
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Anti-Corrosion Level |
★★★★ |
★★★★ |
★★★★ |
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Alloy Thickness |
1~1.5mm |
1~1.5mm |
1~1.5mm |
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Hardness |
HRC 56-62 |
HRC 46~61 |
HRC 43-48 |
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Applied Glass Fiber |
Under 10% |
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Range of Workable Length |
Any length needed |
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Base Steel Vastly Used |
38CrMoAI(1.8509), 34CrAINi7(1.8550), 31CrMoV9(1.8519) |
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Mark in the list: ★★★★ Excellent; ★★★ Very Good; ★★Good |
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Quality Inspection
Quality is a very important step during production. For making a quality screw barrel, all tolerances should be fulfilled and all dimensions should be correct and put in records.
We provide inspection report, material certificate for every of our supplied screw barrels.
Packaging
Packaging is the last but very important step before shipping. A strong and smart packing box is also part of our quality. It is not only used to protect the screws barrels well during transportation, also provide an easy way for our customer to unpack.