pp pe pelleting screw barrel for extrusion

Product Overview

Description

Advantage:

Specially designed screws, is used in pelletizing or repelletizing the PP, PE, PS, ABS, etc

 

Dimension Avaliable:

 

 

 

SCREW DIA: D15mm~D300mm
SCREW L/D: 1:15~1:32
SCREW MAXLENGH: 6000mm no connection,and 12 000mm if could weld screws.

BARREL DAI: D45mm~D300mm
BARREL MAXLENGH: 6000mm no connection,and 12 000mm if could weld screws.

Material:

 

 

The most popular materials is 38 crmoala, 42crmo,SKD61(China),SKD61(Japan),DC53(Japan)
The most popular type of screw barrel customer choose: Bimetallic screw barrel

Besides the most popular materials, There are also many kinds of materials in our warehouse:

 

The foreign material we used as following:

 

1. Germanysteel, GH113 ,2250 ,2842 ,1.8509 ,1.442 ,1.6582 ,1.6523 ,1.2080,1.4542,

 

2. USA steel, P20,420,L6,H13,W110,D3,A2,D6,O1,S1,M35,8620,3115,K52440

 

3. Sweden steel, 718S,718H,S136,S136H,STAVAX,ASP-23,ASP-30

 

4. Australia Steel, M202,M300,W302,K460,W300,K900,K100,W321

 

5. Hardnesssteel, YG6X,YG 6A,YG 6,YG8N,YG8,YG8C,YG11C,YG 15,YT5,YT14,YT30

 

6. Japan Steel, SKT 4,YXM 4,YXM 42,SNC 815,SK -3,SKS 3,and etc.

And about the treatment of screw barrel, we also have many choices for you:

 

Nitrided

 

Nitrided+chromium-plating

 

Bimetallic
Bimetallic+chromium-plating

 

QY-Grade A - containing Tungsten of 40%

 

QY-Grade B - containing tungsten of 25%

 

QY-Grade C - containing tungsten of 9.5%

 

QY-Grade A/B/C + chromium-plating

 

 

 Technical Parameter

Nitride Case Depth	0.5mm-0.8mm
Nitride Hardness	950-1150HV
Nitride Brittleness	≤Grade One
Surface Roughness	Ra0.4um
Screw Straightness	0.015mm
Alloy Hardness	HRC58-75
Alloy Depth	0.8mm-3.5mm
Bimetallic Thickness	2-4mm