• Model NO.: screw elements
  • Trademark: ZHONGYANG
  • Origin: Zhoushan, China
  • Screw Elements: Segment Screw
  • Specification: ISO9001: 2008 approved
  • HS Code: 84779000
Screw Elements/Segment Screw Barrel plastic machinery screw barrel, plastic machinery components, twin co-rotating screw barrel, counter rotating screw barrel

Specification:
Parallel twin screw diameter: Φ 18-Φ 177mm

Material:
1)W6Mo5Cr4V2
2)38CrMoAlA(JIS SACM645)
3)42CrMo(AIS14140)
4)S45C

Technics:
1)Heat treatment
2)Nitriding treatment
3)Vacuum quenching

Technical parameter:
D/d ratio: 1.55
Nitrided layer depth: >=0.4mm
Nitrided hardness: 900-1000HV

Terms and Conditions:
Production time: 25 days
Packing: Export standard(as customers' requests)
Trade Terms: FOB, CNF, CIF or DHL, TNT
Payment Terms: T/T, L/C
Warranty and service: 1 year

Our advantages:
1)Excellent raw materials
2)Good customer services and technical services
3)Competitive pricing
4)Rigorous quality inspection
5)On time delivery

Experienced manufacturer, we will be the best choice.
Screw Alignment 0.015mm
Nitride Brittleness ≤Grade 1
Depth of Nitride Layer 0.5~0.8mm
Hardness of Nitride HV1000~1100
Quenching and Tempering Hardness   HB240-280 
Surface Roughness  0.045mm

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May 16, 2024