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Sjsz Bimetallic Screw Barrel

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Overview

Supply Ability & Additional Information

Packaging: wooden case (export standard)

Packaging & Delivery

For good plasticizing effect,we have different designs of Bimetallic Screw Barrel to meet customer's demand.

Product Parameter

Product	50mm Bimetallic Screw Barrel For Extruder
Hardness after hardening and tempering	HB260°
Nitrided Hardness	HV950°~1000°
Nitrided Depth	0.5 0~0.7mm
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	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.

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

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