Customization: | Available |
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Application: | Aviation, Electronics, Industrial, Medical, Chemical |
Standard: | JIS, GB, DIN, BS, ASTM, AISI |
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Nickel-chromium 90 (Ni90) tubes from Chinese suppliers
Nickel-chromium tube is a type of metallic tubing composed of nickel and chromium alloys. It is commonly used in various industries due to its excellent resistance to high temperatures, corrosion, and oxidation. The tube is known for its exceptional strength, durability, and heat resistance properties, making it ideal for applications where exposure to extreme heat or harsh environments is expected. Its seamless construction ensures a smooth internal surface, facilitating efficient fluid flow and minimizing the risk of contamination. Nickel-chromium tubes are widely employed in industries such as aerospace, chemical processing, power generation, and heat exchangers, among others.
Performance\ material | Cr10Ni90 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
Composition | Ni | 90 | Rest | Rest | 55.0~61.0 | 34.0~37.0 | 30.0~34.0 |
Cr | 10 | 20.0~23.0 | 28.0~31.0 | 15.0~18.0 | 18.0~21.0 | 18.0~21.0 | |
Fe | - | ≤1.0 | ≤1.0 | Rest | Rest | Rest | |
Maximum temperatureºC | 1300 | 1200 | 1250 | 1150 | 1100 | 1100 | |
Meltiing point ºC | 1400 | 1400 | 1380 | 1390 | 1390 | 1390 | |
Density g/cm3 | 8.7 | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
Resistivity at 20ºC((μΩ·m) | 1.09±0.05 | 1.18±0.05 | 1.12±0.05 | 1.00±0.05 | 1.04±0.05 | ||
Elongation at rupture | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | ≥20 | |
Specific heat J/g.ºC |
- | 0.44 | 0.461 | 0.494 | 0.5 | 0.5 | |
Thermal conductivity KJ/m.hºC |
- | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Coefficient of lines expansion a×10-6/ (20~1000ºC) |
- | 18 | 17 | 17 | 19 | 19 | |
Micrographic structure | - | Austenite | Austenite | Austenite | Austenite | Austenite | |
Magnetic properties | - | Non-magnetic | Non-magnetic | Non-magnetic | Weak magnetic | Weak magnetic |