Ruian Jianguo Plastic Machinery Co., Ltd. is a medium-sized enterprise specializing in the production of various plastic machinery accessories such as plastic machine screw, extruder, material barrel, Santong, mold head, composite machine, and film blowing machine.




Screw and barrel type:
For different plastic screw can be used: ordinary type, pin type, barrier type, separation type, exhaust type.



Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
(3)4Cr5MoSi V1 (JIS SKD-61)
(4)9Cr18MOV
(5)HPT



Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting



Technical parameter:
Nitrided layer depth: 04-0.6mm
Nitrided hardness: 850-950HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm



Terms and conditions:
Production time: 35 days
Packing: Export standard wooden case
Trade terms: FOB, CNF, CIF, etc
Payment terms: T/T, L/C

The drum, screw, screen changer and die head are made of high quality alloyed steel(38CrMOAIA)with high hardness, strong corrosion resistance and long operating life after nitrogen treatment.

Focus on quality and service. 
Experienced manufacturer, we will be the best choice.