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Help CenterNitrided Treatment Plastic Extruder Machine 38CrMoAlA Barrel
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Specifications
1. 38CrMoAlA barrel;2. Base material 40Cr;
3. High wear and corrosion resistance;
4.1 year guarantee for pure plastics.
1. Product Details
E.J.S is offering 4 kinds of bimetallic alloys against all types of wear:
Alloy Type |
EJS01 Alloy |
EJS02 Alloy |
EJS03 Alloy |
EJS04 Alloy |
|
Wear resistance |
Very good |
Good |
Very good |
Excellent |
|
Corrosion resistance |
Good |
Very good |
Very good |
Very good |
|
Alloy components |
Fe+Ni+Cr+B |
Ni+Cr+Co+B |
Ni+Cr+Co+V+B |
Ni+Cr+Wc+Co+B |
|
Hardness (HRC) |
58~64 |
50~58 |
55~60 |
56~62 |
|
Temperature area (°C) |
less than 400 |
less 450 |
less than 450 |
less than 600 |
|
Coefficient thermal |
RT-250°C |
11.0 x 10-6 |
11.0 x 10-6 |
11.5 x 10-6 |
11 x 10-6 |
Expansion (/°C) |
RT-400°C |
11.4 x 10-6 |
11.4 x 10-6 |
12.4 x 10-6 |
12 x 10-6 |
The thickess of the alloy layer is around 1.5~3mm. It can only be seen clearly at the end of a barrel.
Bimetallic Methods:
Single barrel--by centrifugal casting;
Conical twin barrel--make grooves at the end then by spray coating;
Parallel twin barrel--use bimetallic linner or make grooves at the end then by spray coating.
2. E.J.S Workshop
3. Quality Inspection
We take only first-class steel and check every production procedure to ensure every dimension is produced precisely. A final complete inspection will be executed before dispatch.
4. Packaging
We use strong plywood or wooden case for all our products
5. Our Advantages
1) Quality always comes first. Our experienced workers pay attention to every tiny procedure during the production and inspection, to ensure the precision of every dimension.
2) Service makes us outstanding. Our sales people are trained on the products every day. They are always ready to answer your questions and offer the best solutions in fluent English at any time.
3) Provide an easier working way. With 6 years export experience, we E.J.S offer before-sales, prouction update, after-sales one stop service, which makes an easier way to work with us. We welcome you to visit our factory at any time!
6. Our market
Through years of developing, we satisfy our customer all over the world with mainly market in Europe, South America, Asia, Middle East, ect. We also design the drawings per customer’s detailed request.
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