FECRAL TK APM Heating Wire for Ovens 1420°C Max Temperature
TKYZ product is a new product developed after TK1 product, which has been widely used in high temperature electric heating alloy materials in recent years. Compared with TK1, its purity is further improved and its oxidation resistance is further optimized. With the special rare earth element combination and unique metallurgical manufacturing process, the material has been recognized by domestic and foreign customers in the field of high temperature and heat resistant fibers. Successful application in ceramic sintering, diffusion furnaces, industrial furnaces with high power density and high temperature.
MAIN CHEMICAL ELEMENTS AND PROPERTIES
| Properties Grade | HNYZ | |||||||||
| Cr | Al | C | Si | |||||||
| 20-23 | 5.8 | ≤0.04 | ≤0.4 | |||||||
| Max Continuous Service Temperature(ºC) | 1425 | |||||||||
| Resisivity 20ºC (μ.Ω.m) | 1.45 | |||||||||
| Density(g/cm3) | 7.1 | |||||||||
| Tensile Strengtht(N/mm²) | 650-800 | |||||||||
| Elongation (%) | >14 | |||||||||
| High Temperature Strength(MPa) at 1000℃ | 20 | |||||||||
| Fast Life at 1350 ℃ | More than 80 hours | |||||||||
| The Emissivity Of The Fully Oxidized State | 0.7 | |||||||||
Average Linear Expansion Coefficient
| Temperature ℃ | Average thermal expansion coefficient×10-6/k |
| 20-250 | 11 |
| 20-500 | 12 |
| 20-750 | 14 |
| 20-1000 | 15 |
| 20-1200 | - |
| 20-1400 | - |
Thermal Conductivity
| 20℃ | 600℃ | 800℃ | 1000℃ | 1200℃ | 1400℃ | |
| Wm-1k-1 | 13 | 20 | 22 | 26 | 27 | 35 |
Resistance temperature correction factor
| Temperature ℃ | 700 | 900 | 1100 | 1200 | 1300 |
| Ct | 1.02 | 1.03 | 1.04 | 1.04 | 1.04 |
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