Product Description Rubber screw and barrel
| Product Name | |
| Material | 38CrMoAIA or SKD61 or 42CrMo |
| Application | Film blowing&Granulation&PVC pipe&Profile&Sheet plastion machine |
| Basic information | Heat treatment and High frequency quenching |
| Hardness after quenching and tempering | HB260-280 |
| Depth of nitration case | 0.5-0.8mm |
| Hardness of nitration | HV 950-1100HV |
| Fragility of nitration | < grade1 |
| Roughness of the surface | Ra0.4um |
| Nitrided Brittleness | ≤Grade 2 |
| Inside&Outside diameter tolerance | ≤0.02 |
| Hardness of Bimetallic | Hv1100-1400 |
| Bimetallic process | Stellite PTA welding |
| Bimetallic place | screw thread and barrel inside |
Technological Process:
Blanking→Rough Machining→Quenching & Tempering →Semi Finishing Machining→Finish Machining→Nitriding or Bimetallic Treatment→Detecting→Finished Product →Debugging After The Sale
Products Show
Our Advantage
Bimetallic screw ①.Strong Abrasion Resistant, Good for 30%-50% glass fiber ,Caco3 and reworked materials ②.Using special alloy powders sprayed and welded on the screw's ridge.
③.Super hard alloy high density, low porosity and high hardness
④.High corrosion resistance , high wear resistance and high temperature resistance properties
Bimetallic barrel ①. Product Catelgory:Bimetallic hole centrifugal casting barrel
②. Working range: inner diameter 15mm-500mm
③. Sweden Allow nameplate
④. Patent all alloy sintering technology, super wear resistance and super corrosion resistance
APPLICATION: film blowing machine, injection machine, granulation machine and so on
Our Service
Our Company
Factory Workshop
Packing & Delivery
Packing Details : 1 set/ wooden case Delivery Details : 20-25 days after receive the deposit and confirm the drawing Our Certifications
Cotact information
FAQ Q: Are you trading company or manufacturer ? A: We are factory, you can get competitive price and superior service from us.
Q: How long is your delivery time? A: Generally it is 5 days if the goods are in stock. or it is 20-25 days if the goods are not in stock, it is according to quantity.
Q: How about the quality ensured A: All of our production process strictly followed ISO9001, our products are long durable with 12 months.
Q: What is your terms of payment ? A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.
If you have another question, pls feel free to contact us as below:
Contact us if you need more details on silicone rubber screw barrel. We are ready to answer your questions on packaging, logistics, certification or any other aspects about rubber barrel、rubber extruder machine. If these products fail to match your need, please contact us and we would like to provide relevant information.
Product Categories : rubber screw barrel
Technological Process:
Our Advantage 
Bimetallic screw ①.Strong Abrasion Resistant, Good for 30%-50% glass fiber ,Caco3 and reworked materials ②.Using special alloy powders sprayed and welded on the screw's ridge.
APPLICATION: film blowing machine, injection machine, granulation machine and so on 
Our Company 
Factory Workshop 
Packing & Delivery 
Packing Details : 1 set/ wooden case Delivery Details : 20-25 days after receive the deposit and confirm the drawing Our Certifications 
FAQ Q: Are you trading company or manufacturer ? A: We are factory, you can get competitive price and superior service from us.
