Cone (Flat) Twin-screw Barrels

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■　1. Material: 38CrMoAIA
■　Nitridation treatment, surface hardness: HV≥900
■　Nitridation thickness: 0.5~0.8mm
■　2. Material: Base material 38CrMoAIA. Screw flank surface is processed by duplex alloy flow welding, effectively improving the service life of screws.
■　3. Material: Base material 38CrMoAIA. Feeding hole wearable section is made from the imported alloy steel and processed by special treatment, able to effectively improve wear resistance of barrels and service life.

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