Bimetallic Screw Barrel
Product Description
Product Detail
Bimetallic screw barrel
We now have many fantastic staff with rich manufacturing experiences for factory best selling China Blow Film Extrusion Bimetallic Screw Barrel. Our concept is make screw barrel business Easier with Joys and Success for each customer.
Factory best selling China Plastic Machine, Screw and Barrel, Customized orders are acceptable. We've been looking forward to establish the good and successful business cooperation with the customers from all over the world.
EJS has been producing bimetallic screw barrels for over 20 years, especially these years more and more customers are choosing bimetallic screw barrel for a longer life time.Coming together is a begnning, talking together is a progress, we hope to talk with our customers face to face, the ideal place is our factory, which you could better understand our factory and the people you will work with. Also you could meet us at Screw and Barrel Manufacturer, do come to talk together when you have a plan to be there.
Bore diameter available for bimetallic screw barrel
¢16~¢500
Popular Materials used for bimetallic screw barrel
38CrMoAlA(1.8509)
34CrAlNi7(1.8550)
31CrMoV9(1.8519)
40Cr(4340)
42CrMo(4140)
SKD11
Alloy powder of bimetallic screw barrel
Kennametal Stellite Ni60
Colmonoy 56
Colmonoy 83
EJS01 alloy
EJS04 alloy
Application of bimetallic screw barrel
Single screw barrel
Twin screw barrel
Inspection of bimetallic screw barrel
Bimetallic process is crucial, it’s very important the bimetallic alloy is tightly attached to bimetallic screw barrel, no split, no insane crack.
At EJS, we use centrifugal casing machine to do bimetallic barrel while Kennametal Stellite bimetallic welding machines are used for bimetallic screw.
I don’t know component information of your bimetallic screw barrel, but I do know we buy X800 bimetallic screw barrel from Xaloy, can you do that?
When you tell us the alloy type from another famous company, such as Xaloy, Bernex, EJS is able to identify the equivalent alloy, please do not hesitate to contact your exclusive sales representative for further communication.
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.