Hard conical twin extruder screw and barrel for pvc pipe and profile

Hard conical twin extruder screw and barrel for pvc pipe and profile Wear-abrasion&corrosion, Reliable quality - details see: https://www.machineto.com/hard-conical-twin-extruder-screw-and-barrel-for-pvc-pipe-and-profile-10334897
Place of Origin:Zhejiang China (Mainland)Brand Name:BOHAIModel Number:80/156Basic Material:38CrMoAlA,SKD61,GH113
Screw type:Conical twin extruder screwHardness:HRC58-68Bimetallic layer:>=2mmHardness after Hardening & Tempering:HB260-280
Screw Barrel Nitriding time:more than 120 hoursBimetallic:Fe-based,Ni-based,Tungsten CarbideStandard:ISO9001Plastic processed:pvc/pe/pp profile/pipe/sheet/pellet
Warranty:common is 1-2 years,bimetallic is much longer   
Hard conical twin extruder screw and barrel for pvc pipe and profile
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Hard conical twin extruder screw and barrel for pvc pipe and profile

Conical twin screw barrel

DiameterΦ25/53,35/77,45/90,51/10,

55/110,65/120,65/132,

70/140,75/150,80/156, 80/172,90/184 92/188.etc

DesigningScrew structure and compression

ratio can be designed according

to different products &different mixtrues.

Standard SpecificationsISO9001,

GBT9001-2000

SO9001-2000

IAF,BOS,CNAS

Advantages1.Long time 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.
Materials38CrMoAlA

(JIS SACM645)

SKD61 .etc

ApplicationPS,HIPS,ABS,SAN,EPN/LDPE,HDPE,UHMPE,

EVA,PP,PVC,PMMA,POM,PAST,PET,PBT

Nitride Depth0.5mm-0.8mmTechnology1)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 Hardness950-1050HVPackingWrapped up by film in wooden
Nitride Brittleness≤Grade OnePayment

Term

T/T , L/C ,Western Union
Surface RoughnessRa0.4umDelivery

Term

20-30 working days
Screw Straightness0.015mmPort

Departure

Shanghai/Ningbo
Alloy HardnessHRC65-75Min. Order1 set
Alloy Depth1.5mm-3.5mm

Warranty period:2-4years(Depends on the plastic raw materials)

Bimetallic: much longer lifetime.

Nitriding timeOver 180 hours

Hard conical twin extruder screw and barrel for pvc pipe and profile
Packaging Detail:wooden case meet export standard
Delivery Detail:25-45 days after receiving deposit

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