Screw Element for Parrallel Twin Screw Extruder

• Material: High Strength Steel
• Type: Square Head
• Groove: Flower Word
• Connection: Hinged Bolts
• Head Style: Round
• Standard: DIN, GB, ANSI
• Model NO.: element
• Grade: 9.8
• Item: Screw Elements of Twin Screw Extruder
• Material of Elements: W6mo5cr4V2 or 38crmoaia
• Keys Type: 6 Key Inside or as Requested
• Delivery Time: 30-40 Working Days
• Packing Way: Wooden Case Outside, Inside Pupple Sheet.
• Transport Package: Wooden Case
• Specification: elemnts
• Trademark: chenxing
• Origin: Zhangjiagang of Jiangsu
• HS Code: 8477900000
• Production Capacity: 30, 000sets/Year

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;

Material	38CrMoAiA
tempering hardness:	260-290HBS
Metallurgical structure:	More than 95% sorbite
crystal particle degree	6-8 grade
Nitridation layer depth	0.4-0.7
Nitridation rigidity on surface:	940-1050HV
brittleness	less than 2 grade
thickness:	2.6-3mm

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