Gold Member Since 2010
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Zhangjiagang Chenxing Machinery Co., Ltd.

Screw Barrel, Screw Cylinder, Screw and Barrel manufacturer / supplier in China, offering Screw (1257903485) , Pet Bottle Bale Opener Machine, PVC Pipe Extrusion Line for Water Supply or Drainage and so on.

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Screw (1257903485)

FOB Price: Get Latest Price
Min. Order: 1 set
Production Capacity: 30, 000sets/Year
Transport Package: Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: 1257903485
  • Specification: International Standard
  • HS Code: 84779000
  • Trademark: JH
  • Origin: Zhejiang of China
Product Description
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 38CrMOALA,
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
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