Plastic extruder screw barrel for pvc pipe alloy screw barrel with special design

alloy screw barrel with special design, 1.Long lifetime,low energy consumption., 2.Base material:38CrMoALA; - details see: https://www.machineto.com/plastic-extruder-screw-barrel-for-pvc-pipe-alloy-screw-barrel-with-special-design-10334804

Place of Origin:Zhejiang China (Mainland)	Brand Name:Lucheng	Model Number:Dia:20mm-300mm	Steel Material:38CrMoALA,SKD61,
Nitriding Time:More than 180 hours	Surface Hardness:HV950-1050	Hardness after Tempering:HB260-290	Screw Straightness:0.015mm
Chromium-Plating Layer Thickness:0.03-0.08mm	Depth of bimetallic Layer:2-4 mm	Technology:nitriding treatment, alloy coating spraying, heat-treatment

About lucheng :

We ,Lucheng screw Machinery Factory,is one of the most professional screw and barrel manufacture/exporter in China, have specialized in the field of injection and extruder machine parts.

We promise:We assure the customer benefits, We provide competitive price, We Emphasis On Cooperation.

Location advantage:located in China's Screw Town - Jintang Town in Zhoushan City, near to Ningbo Port and Shanghai Port.

Our Strength:We have professional experience many years of manufacturing and designing Plastic machines, varied Screws and Barrels and spares. We concentrate on improving quality, updating design and enhancing service.

The Screw and Barrel main Measurement:

Plastic extruder screw barrel/ extruder screw barrel
Diameter	Single screw Φ20mm-Φ300mm	Designing	Screw structure and compression ratio can be designed according to different products &different mixtrues.
Standard Specifications	ISO9001, GBT9001-2000 SO9001-2000 IAF,BOS,CNAS	Advantages	1.Advanced Nitriding Technology 2.Anti-corrosion and Wear-resisting Duplex Metal Spraying Technoloy3. we uses special alloy powders being sprayed and welded on the screw's ridge,and uses different alloy and welding methods for the screw of different functions.
Materials	38CrMoAlA (JIS SACM645) SKD61 .etc	Application	PS,HIPS,ABS,SAN,EPN/LDPE,HDPE,UHMPE, EVA,PP,PVC,PMMA,POM,PAST,PET,PBT
Nitride Depth	0.4mm-0.7mm	Technology	1)Longer time Gas Nitriding treatment 2)special anti-wear & abrasion alloy (bimetallic) 3)tungsten carbide;4)cobalt base alloy 5)stainless steel 6)Gh113 nickel based alloy
Nitride Hardness	950-1050HV	Packing	Wrapped up by film in wooden
Nitride Brittleness	≤Grade One	Payment Term	T/T , L/C ,Western Union
Surface Roughness	Ra0.4um	Delivery Term	20-30 working days
Screw Straightness	0.015mm	Port Departure	Shanghai/Ningbo
Alloy Hardness	HRC55-62	Min. Order	1 set
Alloy Depth	1.5mm-3.5mm	Warranty period:2-4years(Depends on the plastic raw materials) Bimetallic: much longer lifetime.
Nitriding time	Over 180 hours