- Contact Person : Mr. Yuan Nengjun
- Company Name : Zhejiang Dongbin Rubber Machinery Screw Co., Ltd.
- Tel : 0086-0580-8591200,13905804506
- Fax : 0086-580-8592427
- Address : Zhejiang,Zhoushan,No.28 Donghou Road,Jintang Town,Dinghai District,Zhoushan City
- Country/Region : China
- Zip : 316031
Diameter 200 barrel
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1 Technical Specification
2 Hardness After Hardending&Tempering : HB240~280
3 Nitrided Hardness : HV950~1000
4 Nitrided Case Depth : 0.55~0.7mm
5 Nitrided Brittleness :Less Than Grade 1
6 Surface Roughness :Ra 0.4
7 Screw Straightness :0.015mm
8 Surface Chromium-Plating’s Hardness After Nitriding≥900HB
9 Chromium –plating Depth :0.05~0.10mm
10 Alloy Hardness : HRC55~62
11Alloy Depth :1.5~2.0mm
12 Material&Processes
13 Quality 38CrMoALA
14 Qulity Duplex Stainless Steels
15 GH3#Steel
16 Quality Powder Metallurgy Raw Materials
17 Cold/Thermal Spray Hard Metal Process
18 Advanced nitriding Process
19 Corrosion & Abrasion Resistance Bimetal Spraying Process
20 Horniness screw (HTP1:abrasion HTP2:corrosion resistance,HTP3:abrasion and corrosion resistance)
Diameter 200 barrel
