Screw Elements/Segment Screw Barrel Plastic Machinery Screw Barrel

• After-sales Service: Yes
• Screw Elements: Segment Screw
• Transport Package: Standard Export Packing
• Specification: ISO9001: 2008
• Trademark: Zhongyang
• Origin: Zhoushan, China
• Model NO.: Screw Elements
• HS Code: 84779000
• Production Capacity: 100 Sets/Month

Product Description

Screw Elements/Segment Screw Barrel plastic machinery screw barrel,plastic machinery components

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.

Main Base materials	1.38CrMoAlA  (Nitriding Steel)
	2.  SKD-61   (Special Tool Steel)
	3.  42CrMo (Ultrahigh Strength   Steel)
	4. DC53 ( Cold Work   Die Steel)
	5. W6Mo5Cr4V2 ( High-Speed   Tool   Steel )
	6. HPT
Main Alloy Materials	1.  Ni-based alloy/Deloro alloy
	2.  Tungsten carbide/Wolfram carbide
	3.  NiCo-based alloy
	4.  Fe-based alloy
	5.  Co-based alloy
Processing Technics	1.  Heat treatment
	2.  Quenching
	3.  Nitriding treatment
	4.  Bimetallic alloy welding
	5.  Bimetallic alloy centrifugal casting
	6.  Hard-chrome electroplating
Technical parameters	Nitriding layer depth	0.5-0.8mm
	Nitrided hardness	HRC56-58
	Nitrided brittleness	Less than grade 1
	Surface roughness	Ra 0.4
	Linearity of screw	0.015mm
	Hard-chrome plating hardness	≥HRC57
	Chrome-plating layer depth	0.03-0.09mm
	Bimetallic layer depth	3 mm
	Bimetallic layer hardness	HRC58-62
Above are main technical information, a suitable screw and barrel will be made according to your requirement.