- 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 and 250 conical cold feed screw
1 Diameter 200 and 250 conical cold feed screw
2 Technical Index
3 Technical Specification
4 Hardness After Hardending&Tempering : HB240~280
5 Nitrided Hardness : HV900~950
6 Nitrided Case Depth : 0.55~0.7mm
7 Nitrided Brittleness :Less Than Grade 1
8 Surface Roughness :Ra 0.4
9 Screw Straightness :0.015mm
10 Surface Chromium-Plating’s Hardness After Nitriding≥900HB
11 Chromium –plating Depth :0.05~0.10mm
12 Alloy Hardness : HRC55~62
13 Alloy Depth :1.5~2.0mm
14 Material&Processes
15 Quality 38CrMoALA
16 Qulity Duplex Stainless Steels
17 GH3#Steel
18 Quality Powder Metallurgy Raw Materials
19 Cold/Thermal Spray Hard Metal Process
20 Advanced nitriding Process
21 Corrosion & Abrasion Resistance Bimetal Spraying Process
22 Horniness screw (HTP1:abrasion HTP2:corrosion resistance,HTP3:abrasion and corrosion resistance)
Diameter 200 and 250 conical cold feed screw
