To all our old or new friends:

Thanks for your visiting.Qunying screw, our is one of the best machinery parts supplier in China.We cooperate with many machine factories.We produce screw and barrel over 10 years in China,rich experience in producing or designing.Choose Qunying, you best choice!
 

Technical Parameters:

Diameter: Ø15-Ø300

L/D ratio:15-60

Or other according to requirement, we are rich experience in producing and designing!

1.Product: Bimetallic screw shaft barrel for plastic

2.Material:38 CrMoAlA(JIS SACM645); 42 CrMo(AISI 4140);Cr12MoV(JIS SKD-11);4Cr5MoSiV1(JIS SKD-61)

3.Nitrided Hardness:HV900°~1000°

4.Hardness after hardening and tempering: HB260 °

5.Nitrided Depth: 0.4~0.8mm

6.Nitrided Brittleness: above 2 stage

7.Surface Roughness: Ra0.4

8.Screw straightness: 0.015mm

9.Hardess of surface chromium-plating after Nitriding: HV≥950HV

10.Chromium plating Depth: 0.05~0.10mm

11.Alloy Depth: 0.8~3.0mm

12.Alloy hardness: HRC56°~65°

13.Alloy(bimetallic): iron,nickel,tungsten,molybdenum

Grade available for shaft and barrel:

1. Standard grade: 38CrMoAlA + nitriding 96 hours
2. Bimetallic grade: 38CrMoAlA + bimetallic alloy
3. TC-A grade: Tungsten carbide 40%
4. TC-B grade: Tungsten carbide 25%
5. TC-C grade: Tungsten carbide 9.5%

Scope of application

WPC sheet,pallets,pinch,pipe,profiles,soft pvc,pvc foam sheet,film,tape,recycled,tape tube,water pipe,drainage pipe,etc.

Company Information: we are factory,all produced by ourselves.

Our customer feedback after using.

 About US:

QunYing Screw is leading supplier of SCREW and BARREL in china,including designing,manufacturing and sales for these products,we can make any specification of extruder screw barrel and injection molding screw barrel for Haitian,Chende,Chenxiong,Demag,Engle,Nigrobossi,KMD,NPM,BOY,HUSKY,Nippon Steel,Toshiba, Nissei,Mitsubishi,CINCINNATI,BATTENFELD,KRUSSMAFFEI,BAUSANO,WEBER,AMUT and etc. We also can supply all types of screw and barrel according to your different requirements.