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China Screw Element for Parrallel Twin Screw Extruder

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Min. Order / Reference FOB Price
1 Piece	US $8000.00/ Piece

Local Area:	Jian, Jiangxi, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T

Material:	High Strength Steel
Type:	Square Head
Groove:	Flower Word

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Product Description

Screw elements of twin screw extruder
Technical Parameter:
1. Material is 3Cr2W8V, H13(injection chamber), the whole body quenching hardness: HRC60± 2, nitridation hardness: 1050HV, inner hold for fine grinding Ra value 0.4
2. Material: Cr12molvl, the whole body quenching hardness: HRC60± 2, inner hole for fine grinding Ra value 0.4;
3. Diffluencece combing, backflow parts material: imported SKD61 quenching hardness: Above HRC55 or double alloy structure;
4. Can proceed to plate hard chrome after nitriding screw surface; The thickness for chromeplate is 0.03-0.04mm;
5. The passagewaypart for all kinds of mould, the thickness for plating hard chrome is 0.05-0.08, Polishing fine-coarse degree reach Ra value 0.4-0.2;

Material38CrMoAiAtempering hardness:260-290HBSmetallurgical structure:More than 95% sorbitecrystal particle degree6-8 gradeNitridation layer depth0.4-0.7Nitridation rigidity on surface:940-1050HVbrittlenessless than 2 gradethickness:2.6-3mm

We also have another material for optional. That is W6Mo5Cr4V2. More high hardness. HRC61.