Product Description

Plastic extrusion is used to produce a wide range of products on the market, from building materials to consumer products to industrial parts. Pipes, window frames, electrical covers, fence, edging, and weather stripping are just a few of the common items made by plastic extrusion, along with thousands of custom profiles.EJS has been producing pipe extrusion screw barrels for pipe extrusion lines for over 20 years, with different surface treatment, such as nitriding, bimetallic alloy coating, chrome-plating.

Product Detail

Pipe extrusion screw barrel

We have over 300 equipment. Our products are exported to the USA, the UK and so on, enjoying a good reputation among customers of OEM machine builders and end users. E.J.S, Manufacturer for China Pipe Extrusion Screw Barrel, "Emphasize details, Pursue excellence!" is our philosophy, which means "Details are important, do it better if there is a way!" Are you completely ready to work with E.J.S?

Manufacturer for China Pipe Extrusion Screw Barrel, our company E.J.S is working with the mission"Make screw barrel business Easier with Joys and Success". We hope we will have a friendly and pleasant relationship with businessmen from all over the world.


Plastic extrusion is used to produce a wide range of products on the market, from building materials to consumer products to industrial parts. Pipes, window frames, electrical covers, fence, edging, and weather stripping are just a few of the common items made by plastic extrusion, along with thousands of custom profiles.


EJS has been producing pipe extrusion screw barrels for pipe extrusion lines for over 20 years, with different surface treatment, such as nitriding, bimetallic alloy coating, chrome-plating.

Other than this, E.J.S produces Bimetallic Screw, Bimetallic Screw Barrel for customers natioanlly and internationally and always stand behind the products we produce and provide long term support for our products.


Bore diameter available for pipe extrusion screw barrel

¢16~¢500


Popular Materials used for pipe extrusion screw barrel

38CrMoAlA(1.8509)

34CrAlNi7(1.8550)

31CrMoV9(1.8519)

40Cr(4340)

42CrMo(4140)

SKD11


Alloy powder of pipe extrusion screw barrel

Kennametal Stellite Ni60

Colmonoy 56

Colmonoy 83

EJS01 alloy

EJS04 alloy


Application of pipe extrusion screw barrel

Single screw barrel

Twin screw barrel


How many hours should I schedule to visit your factory?

Preferably one day to walk around our factory. We have 20 workshops, it will take some big hours to see each workshop. You will see screw barrels every where, on the milling machine, in the nitriding furnace, on the bimetallic alloy welding machine, polishing, on the inspection table or being packing up to the boxes, extrusion feed screws and barrels, injection screw barrels. You will be more confident about your future after seeing our factory and our dedicated staff.


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

Bimetallic Barrels

Alloy Type

EJS01 Alloy

EJS02 Alloy

EJS03 Alloy

EJS04 Alloy

Alloy Components

Fe+Ni+Cr+B
(Fe:65, Ni:14, Cr8, B:3.5)

Ni+Cr+Co+B

Ni+Cr+Co+V+B

Ni+Wc+Cr+B
(Ni:50, Wc:15~35,Cr:6~8, B:2.5~3.2)

Wearing Resistance

★★★

★★

★★★

★★★★

Corrosion Resistance

★★

★★★

★★★

★★★

Alloy Thickness

2~3mm

1.5~2mm

1.5~2mm

1.5~2mm

Hardness

HRC 58-65

HRC 50-58

HRC 55-60

HRC 55-65

Temperature Range

≤400

≤450

≤450

≤600

Coefficient Thermal

RT~250℃

11.0x10-6

11.0x10-6

11.5x10-6

11.0x10-6

Expansion(/℃)

RT~400℃

11.4x10-6

11.4x10-6

12.4x10-6

12x10-6

Range of Workable Length

700mm~3000mm/piece

Base Steel Vastly Used

40Cr: 42CrMo

Mark in the list: ★★★★ Excellent; ★★★ Very Good; ★★Good


Bimetallic Screws

Suitable for

Single Screw, Twin Parallel Screw, Twin Conical Screw

Alloy Type

Ni60

CoImonoy 56

CoImonoy 83

Alloy Components

Ni+Cr+Fe+Si
(Ni:65, Cr:17, Fe:15, Si:5)

Ni+Cr+Si+Fe
(Ni: 68, Cr:18, Si:5, Fe:5)

Ni+Wc+Cr+C
(Ni:40, Wc:34, Cr:20, C:2)

Anti-Wearing Level

★★★

★★★

★★★★

Anti-Corrosion Level

★★★★

★★★★

★★★★

Alloy Thickness

1~1.5mm

1~1.5mm

1~1.5mm

Hardness

HRC 56-62

HRC 46~61

HRC 43-48

Applied Glass Fiber

Under 10%

 

 

Range of Workable Length

Any length needed

Base Steel Vastly Used

38CrMoAI(1.8509), 34CrAINi7(1.8550), 31CrMoV9(1.8519)

Mark in the list: ★★★★ Excellent; ★★★ Very Good; ★★Good



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.




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