- Marble[12]
- Wiring Ducts[1]
- Filters[1]
- Double-Sided PCB[2]
- FPC[1]
- Resistors[6]
- Screws[3]
- Bag Making Machinery[1]
- Cement Making Machinery[12]
- Curb & Paving Stone Forming Machinery[38]
- Mixing Equipment[2]
- Laser Equipment[1]
- Laser Equipment Parts[1]
- Packaging Machinery[1]
- Packaging Machinery Parts[7]
- Paper Processing Machinery[1]
- Other Plastic Processing Machinery[4]
- Plastic Crushing Machinery[1]
- Plastic Drying Machinery[1]
- Plastic Extruders[19]
- Plastic Injection Machinery[5]
- Plastic Recycling Machinery[3]
- Plastic Processing Machinery Parts[20]
- Other Textile Machinery[1]
- Pipe Fittings[2]
- Gearboxes[4]
- Contact Person : Mr. Shi Jun
- Company Name : Zhoushan Dinghai Jinhua Plastic Machinery Factory
- Tel : 86-574-87840993
- Fax : 86-574-56877482
- Address : Zhejiang,Ningbo,No.1422 Lingqiao Plaza 31 Lingqiao Street,Haishu District
- Country/Region : China
- Zip : 315000
General alloy screw
Detailed Product Description
General alloy screw
General alloy material performance advantages and disadvantages | ||||||
Shell Technology | CT-110 | CT-220 | CT-330 | CT-350 | CT-880 | CT-890 |
Apply Property | Wear Resistant | Wear Resistant | Corrosion resistance
| Hydrofluoric acid-resistant | High intensity resistance and corrosion resistance | Higher intensity resistance and higher corrosion resistance |
Hardness | 55-65 | 58-61 | 48-54 | 55-62 | 55-64 | 58-66 |
Alloy | Steel-Nickel-Boron | High-chromium alloy | Nickel-Cobalt-Chrome-Boron | Nickel-Low Steel | Nickel-Tungsten-Chrome-Boron | Nickel-Tungsten-Chrome-Boron |
Ultimate tensile strength | 52,000 | 52,000 | 51,000 | 50,000 | 58,000 | 59,000 |
Stretching to the breakdown% | 0.20 | 0.19 | 0.21 | 0.16 | 0.18 | 0.19 |
Density | 0.274 | 0.282 | 0.302 | 0.302 | 0.360 | 0.365 |
Melting range | 2000ìF- | 2025ìF- | 1900ìF- | 1920ìF- | 1800ìF- | 1810ìF- |
weight | 7.57 | 7.68 | 7.94 | 7.96 | 9.80 | 10.04 |
Thermal conductivity Coefficient
| 7.4 BTU/hr/sq ft/ft/ìF | 7.6 BTU/hr/sq ft/ft/ìF | 18.1 BTU/hr/sq ft/ft/ìF | 18.3 BTU/hr/sq ft/ft/ìF | 18.7 BTU/hr/sq ft/ft/ìF | 18.9 BTU/hr/sq ft/ft/ìF |
Coefficient of thermal expansion
| 6 x 10(-6)/ìF | 6.1 x 10(-6)/ìF | 6.4 x 10(-6)/ìF | 6.6 x 10(-6)/ìF | 5.55 x 10(-6)/ìF | 5.56 x 10(-6)/ìF |
