Bimetallic plastic extruder screw and barrel

Technical Information for bimetallic screw cylinderMain Base materials1.38CrMoAlA (SACM645)Main Alloy Materials1. Ni-based alloy/Deloro alloy2. SKD-61 (Special Tool Steel)2. Tungsten carbide/Wolfram carbide3. 42CrMo (Ultrahigh StrengthSteel)3. NiCo-based alloy4. DC53 (Cold WorkDie Steel)4. Fe-based

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Technical Information for bimetallic screw cylinder
Main Base materials1.38CrMoAlA (SACM645)Main Alloy Materials1. Ni-based alloy/Deloro alloy
2. SKD-61 (Special Tool Steel)2. Tungsten carbide/Wolfram carbide
3. 42CrMo (Ultrahigh StrengthSteel)3. NiCo-based alloy
4. DC53 (Cold WorkDie Steel)4. Fe-based alloy
5. W6Mo5Cr4V2 (High-SpeedToolSteel)5. Co-based alloy
Processing Technics1. Heat treatmentTechnical parametersNitriding layer depth:0.5-0.8mm
2. QuenchingNitrided hardness:900-1000HV
3. Nitriding treatmentBimetallic layer depth:3 mm
4. Bimetallic alloy welding for screwBimetallic hardness:57~69HRC
5. Bimetallic alloy centrifugal casting for barrelHard-chrome plating hardness after nitriding:≥950HV
6. Hard-chrome electroplatingChrome-plating layer depth:0.03-0.09mm
Linearity of screw:0.015mmSurface roughness:Ra 0.4

Bimetallic Plastic Extrusion Machine Screw Barrel
Bimetallic Plastic Extrusion Machine Screw Barrel
Bimetallic Plastic Extrusion Machine Screw Barrel
Bimetallic Plastic Extrusion Machine Screw Barrel
1.Jianghai Screws only supply competitive advantage products.
2.Full refund or Free replacement in case of bad quality or late delivery!
3.Jianghai Screws is focus on service for solution, not only supply screw barrel parts.
4.Quality is our culture, with us your money in safe your business in safe!!!
5.Jianghai Screws is the 2017 year the most welcomed MIC gold supplier!!!

1. Q: How about Jianghai Screws
    R:18 years experienced, leading screw barrel manufacturer in China.

2. Q:What's Jianghai Screws capacity 
   R:Passed ISO 9001:2008, Our workshop 8000SQM, Engineers team, 50 good experienced employee, All CNC computer control screw processing, 1000 sets screw barrel capacity per month.

3. Q:What's the delivery time 
    R:For regular size, we have finished stock and semi-finished stock, 2.5 weeks max enough
        For customized, normally 3~4 weeks.
4. Q:How about Jianghai Screws barrel quality and price 
   R:Top quality in China with competitive price and global after-sale service

5. Q:How to make sure the screw suitable for my extruder?  
    R:Let's know what size you want and we can check it with our drawing.We have lots of BEX,KMD,CMT,AMUT,Weber,Haitian,Sino Holding, Tederic, Borche, Sound,Sonly ect. If your extruder is made in China, it's easy to  get the original drawing. Any way,our engineer can measure in your factory,so cost is saved.

6. Q:What's the life time and guarantee buy from Jianghai Screws screw barrel?
    R:3~5years life time for nitriding ones and bimtallic ones will be longer 
        One year min. Guarantee

7. Q:Where is Jianghai Screws factory and how to reach there? 
   R:At Yangcang Industry Zone,Dinghai, Zhoushan City, Zhejiang Province. It's 2-3 hours by driving from Shanghai City or Ningbo City. If you want to visit us,we also can pick up you there.

8. Q:How to contact with you 
   R:Just reply to me below if have any question. 


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