dia. 150 screw barrel with nitrided treatment

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.                      

Contact us if you need more details on Dia. 150 Screw Barrel. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Dia. 150 Screw Barrel、Dia. 150 Screw Barrel. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Bimetallic Barrel