Nitriding Treatment rubber screw and barrel

Payment Terms: T/T,L/C
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Basic Info.
  • Brand Name: WEIDA 
  • Hardness after Hardening & Tempering: HB240-280 
  • Nitrided Layer Thickness: 0.5-0.8mm 
  • Nitrided Layer Hardness: 950-1020Hv 
  • Nitriding Treatment Time: ≥ 96 hours 
  • Model No.: WD 029 
  • Place of Origin: Zhejiang  
  • Min.Order: 1 Set/Sets
  • Means of Transport: Ocean, Air
Supply Capacity
  • Production Capacity: 1 set
  • Packing:wooden case
  • Delivery Date: 30 days
Nitriding Treatment rubber screw and barrel

Specification of injection screw barrel:  
For screw:   Dia. 15-300 mm   Length 300-9000 mm   L/D ratio: 15-50
For barrel:   Dia. 30-500 mm   Length 300-8000 mm

Working Process :
Raw Material → Quenching & Tempering → Rough Machining → Semi finish Machining → Finish Machining → Nitriding Treatment → Bimetallic Casting → Inspection → Finish Products

Technical Index
Steel Material
38CrMoALA,SKD61,SKD11,D2 etc.
Hardness after Hardening & Tempering
Nitriding Treatment Time
≥ 96 hours
Nitrided Layer Hardness
Nitrided Layer Thickness
Surface Roughness Degree
Surface Hardness Degree
58-64 HRC
Screw Straightness Degree
Chromium-Plated Surface Hardness After Nitriding
≥ 900HB
Chromium-Plating Layer Thickness
Bimetallic Layer Hardness
Depth Of Alloy Layer

Grade List
Steel Material
Standard Grade
Nitriding 96 Hours
Bimetallic Grade
HP/HVOF Spraying
TC-A Grade
Tungsten Carbide40%
Centrifugal Casting
TC-B Grade
Tungsten Carbide25%
Centrifugal Casting
TC-C Grade
Tungsten Carbide10%
Centrifugal Casting

Nitriding Treatment rubber screw and barrel
Nitriding Treatment rubber screw and barrel
Send message to this supplier
Ms. Hecate (foreigner sales manager)
Tel: 86-580-8592677
Mobile: 15267853591
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Contact Method
Zhoushan Weida Machinery Co., Ltd.
No.8 Donghou Road Jintang Dinghai, Zhoushan, Zhejiang, China (Mainland) / 316031
Fax: 86-580-8592328
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