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

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

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Tin Coating Screw

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
  • Trademark: JH
  • Origin: Zhejiang of China
  • Specification: International Standard
  • HS Code: 84779000
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;
tempering hardness:260-290HBS
Metallurgical structure:More than 95% sorbite
crystal particle degree6-8 grade
Nitridation layer depth0.4-0.7
Nitridation rigidity on surface:940-1050HV
brittlenessless than 2 grade
Product Groups
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