Product	single screw and barrel for plastic machine
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	2.0~2.5mm
Alloy hardness	HRC56°~65°
Alloy	iron,nickel,tungsten,molybdenum
Types of screw	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.

Specification:

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

Imported alloy steel hard screw and application

1; EFZD alloy steel hard alloy screw

2; DC53 full hard screw

3; SKH-9 / 51 ( M2, W6 ), SKH-55 ( M35 ), SKH-59 ( M42 ), W18Cr4V, YXMI alloy steel hard screw

4; SKD61, SKD11 alloy steel hard screw

5; GH113 [ new ] full hard steel screw applied to tetrafluoroethylene ( Teflon F46 )

300°-1200° high temperature wire , pipe and other products .

6; GH113 [ new ] full hard steel barrel applied to tetrafluoroethylene ( Teflon F46 )

300°-1200° high temperature wire , pipe and other products .

stainless steel screw :Use Japan raw material HPM38, S136, SUS440, 9cr18mov,.etc .

Shipment &Delivery

The Reason For Choose DEMAJI SCREW:

*Primary Quality

*Reasonable Price

*Flexible Manufacturing Capacity

*On-time Delivery

*Ethical &Transparent Policies.

Single Screw and Barrel For Plastic Extruder Machine

Any question ,Feel free to contact with us .

Product Tags:

single screw plastic extruder

single-screw extruder

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