Material:38CrMoALA
Hardness after hardening and Tempering:HB260°~320°
Nitrided Hardness:HV950°~1000°
Nitrided Depth:0.50~0.7mm
Nitrided Brittleness:above 2 stage
Surface Roughness:Ra0.4
Screw straightness:0.015mm
Hardess of surface chromium-plating after Nitriding:HV≥950HV
Chromium-plating Depth:0.05~0.10mm
ALLoy Depth:0.8~2.0mm
Alloy hardness:HRC56°~65°
Alloy:nickel,tungsten,molybdenum
 
Tel:+86-0580-8052262
Fax:+86-0580-8051690
E-mail:screw@zszhongsu.com
Add:c-no.7 xihou industrual agglomeration,jintang town,dinghai district,zhoushan city,zhejiang province
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Process Specifications of screw and barrel:

Ф60/2 Ф65/2 Ф70/2 Ф72/2 Ф75/2
Ф80/2 Ф85/2 Ф90/2 Ф93/2 Ф100/2
Ф105/2 Ф110/2 Ф115/2 Ф120/2 Ф125/2
Ф130/2 Ф140/2 Ф150/2 Ф160/2 Ф170/2
Ф180/2 Ф190/2 Ф200/2 Ф250/2
Types of screw:

For good plasticizing effect,we have different design of screw barrel to meet customer’s demand .Gradual type,mutant type,wave type,barrier type,double screen type,shunt type,separation type,exhaust type,pin type,mixed type,double-head type,three-head type,multi head type etc.

Screw material:

raw material: The finished product Processing requirements:
38CrMoAlA,SACM645,42CrMo Nitriding treatment
42CrMo,AISI 4140 hard chrome coated layer
4Cr5MoSiV1,SKD-61,SKD-11 Sparying bimetal alloy layer and nitriding treatment
HPM38,SI36,SUS440,9Cr18MoV High frequency quenching
GHII3 Airset in high temperature

barrel material:

raw material: The finished product Processing requirements:
38CrMoAlA,SACM645 Nitriding treatment
Cr12MoV,Cr12 high frequency quenching
38CrMoAlA,SACM645,40Cr,AISI4140,42CrMo Bimetallic of The inner hole centrifugal casting
GHII3 Airset in high temperature

scope of application:

WPC PVC.WPC PE,Super high molecular sheet,1/2 high Calcium buckle,50-400 high Calcium pipe,50-300 high Calcium Profile,soft PVC sheet,XPS-PVCetc.PP,PE,ABS,PVC,raw material,pelletzing,pipe,profile,sheet etc.

Copyright:Zhejiang Zhongsu Screw Co.Ltd. Add:C-No.7 XIHOU INDUSTRIAL AGGLOMERATION,JINTANG TOWN,DINGHAI DISTRICT, ZHOUSHAN CITY,ZHEJIANG PROVINCE

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