Full Hard Extrusion Screw Suppliers, Manufacturers, Factory

Full Hard Extrusion Screw

Barrelize can design and produce high performance extrusion screw to fit your application

*Material: High quality 38CrMoAlA 42CrMo

*Treatment: Nitriding,Bimetallic,Electroplating

*Diameter of Screw: Can be customized Φ15mm~ Φ300mm

*Screw Type: Vented type non-vented type, high-wear type,Barrier flight type, Mix type ect

*Suitable for: PP,PE,ABS,PVC,TPE ect

*Benefit: Improved product quality,increase plasticizing rate,minimize wear,boost output

What is a fully hardened steel extrusion screw?

The fully hardened steel extrusion screw is made of full hard metallurgy steel and is formed by a special process of overall hardening treatment. The internal hardness of the screw is as same as the external hardness, which can reach about HRC65°.

How to make Through Hardened Extrusion Screw?

The hardening of screws is done by two processes: quenching and annealing.

During the quenching process, the screw will heated to a certain temperature and then rapidly cooled,which makes the screw hardened.

Annealing is a process to change the micro-structure of the screw,which improve the strength, hardness of screw.

What is the specification for fully hardened alloy extrusion screw ?

The hardness can reach HRC65. After Crn Coating, the hardness can reach HV1700.

What is the application for fully hardened alloy extrusion screw ?

It’s suitable to process various high-temperature and highly corrosive plastics such as LCP, PPS, PES, PPA and glass fiber, PPA/PPO/LCP/ABS fire retardant.

Full hardened extrusion screws are very good choices for small screws when abrasion and corrosion resistance is required.For the large screws, the cost of materials, heat-treatment, and process can make them quite costly, but should still be considered for some specific applications

What are the main advantages of fully hardened steel extrusion screw?

It has the high wear resistance and corrosion resistance, which improve the service life.

At Barrelize, we have the experts here to understand your demand. Our engineers and technicians can engineer, design and manufacture the fully hardened steel extrusion screw for your specific application.

Product	Material Base	Treatment	Technical Parameter	Application
Screw	38CrMoAlA	Nitriding	Tempering hardness: HB260-280 Nitriding hardness: HV950 Nitride layer depth: 0.4-0.6MM Brittleness :≤2.5 Surface finish Ra0.04	used for ordinary acid-free low particle size and does not contain GF. Such as ABS\PP\PS, etc.
Screw	38CrMoAlA	Bimetallic Ni-based alloy	Alloy thickness:≥1.5mm Hardness:HRC53~56 Brittleness :≤2.5 Surface finish Ra0.04	used for adding acid plastic with GF less than 30%
Screw	42CrMo	Bimetallic Ni-based alloy+ElectroPlating	Alloy thickness≥1.5mm ElectroPlating thickness : 0.03~0.0SMM Hardness: HRC52~55	transparent material/ color mixing material
Screw	Fully hard powder metallurgy steel	vacuum quenching prooess	Quenching hardness: HRC57-59, Electroplatable thickness: 0.03~0.05MM	suitable for engineering plastics with 35% GF or less, high temperature materials.PA+ GF/ LCP+ GF/High Temperature PC
Screw	Full hard powder metallurgy steel	vacuum quenching prooess	Quenching hardness: HRC59~61 Thickness 0.005~0.01MM	suitable for engineering plastics with 45% GF or less

Sourcing Plasticizing Equipment Direct from Barrelize

Maximize profits with innovative melt stream components that increase productivity, improve product quality, and prolong lifespan. We are Full Hard Extrusion Screw suppliers, manufacturers. We have our advanced factory. Barrelize stands for pioneering technologies and high quality components and systems for the plastics processing industry in China. Large Stock of our raw material available from our factory. More than only producing screws and barrels for our customers, we remain at any time a problem solver for process improvement. ODM/OEM Full Hard Extrusion Screw Service & Cooperative

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