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Zhejiang Guangming Plastic Machinery Co., Ltd.
Screw and Barrel for Conical-Twin screw Extruders

 Detail Description Print Page

This series of screw is suitable for pvc material,pinch plate, shape material, pipe
material,film-foaming, pelletizing,ect. The compression ratio of the screw and barrel can be designed according to different raw material and products. Technical specifications: 1) Material: quality 38CrMoAlA 2) Hardness after hardening and tempering: HB240-280 3) Nitride hardness: HV850-1000 4) Nitride case depth: 0.45 - 0.7mm 5) Nitride brittleness: less than grade 2 6) Surface roughness: Ra 0.4 7) Screw straightness: 0.015mm 8) Surface chromium-plating's hardness after nitriding: ≥900HB 9) Chromium-plating depth: 0.05 - 0.10mm 10) Alloy hardness: HRC50-65 11) Alloy depth: 0.8 - 2.0mm
Expire:  Permanent

Contact Details
Contact Person (Department): Mr. Minggang Bao
Company Address: Qiaoxing West Road, Dafeng 2nd Industrial Zone, Jintang Town, Dinghai District, Zhoushan City, Zhejiang Province. China
City/Town:
Province/State:
Country/Region: China
Zip/Postal Code: 316033
Phone Number: 86-580-8043596 /3
Fax Number: 86-580-8041266
Homepage: http://www.gyscrew.com
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