twin screw barrel,screw barrel

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twin screw barrel,screw barrel
Posting date : Feb 02, 2010
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39-
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Product Description Conical twin screw and barrel We are a professional manufacturer of screw and barrel that has been in this line for 10 years, we can supply and design all kinds of screw&barrel according to your requirments. The conical twin screw and barrel for extruder in specification of Dia. 35-92MM Abrasion resistant and corrosion resistant 1. Material: 1): 38CrMoALA (JIS SACM645) 2): 9Gr18MOV 2. Technics: 1): Heat-treatment 2): Nitriding-treatment 3): Spray bimetallic-alloy coating 3. Technical parameter: 1): Depth of Nitration Layer: 0.5-0.8mm 2): Hardness of Nitration: 900-1000HV 3): Fragility of Nitration: Less than grade 1 4): Roughness of the surface: Ra0.4 5): Straightness of the screw: 0.015mm 6): Surface hardness of Nitrated Cr coating Layer: >=950Hv 7): The thickness of Chrome-plating layer: 0.025-0.085mm 8): Depth of alloy Layer: >2mm. Trademark: Worldwide Unit Price/Payment: USD10-USD10000 Origin: China Packing: wooden cases Min. Order: 1 SET Transportation: FOB NINGBO Company:

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