- +86-13526935931
- gwdlthermo@gwdl.com
High-temperature alloy resistance wire can withstand extreme temperatures of ≥1000°C and maintain stable heating performance in harsh atmospheres such as oxidation and carburization. Its performance directly affects the upper temperature limit, energy efficiency, and service life of equipment, providing key support for industrial electric furnaces, aerospace thermal systems, etc.
| Property | Ocr21A16Nb | Ocr27A17Mo2 |
|---|---|---|
| C (Carbon) | 0.05 | 0.05 |
| P (Phosphorus) | 0.025 | 0.025 |
| S (Sulfur) | 0.025 | 0.025 |
| Mn (Manganese) | 0.7 | 0.7 |
| Cr (Chromium) | 21.00～23.00 | 26.50～27.80 |
| Ni (Nickel) | ≤0.60 | ≤0.60 |
| Al (Aluminum) | 5.00～7.00 | 6.00～7.00 |
| Mo (Molybdenum) | / | 1.80～2.20 |
| Nb (Niobium) | 0.5 | / |
| Maximum Operating Temperature (℃) | 1380 | 1450 |
| Density (g/cm³) | 7.1 | 7.1 |
Technical Parameters | ||||||
| Parameter | 1200℃ | 1400℃ | 1600℃ | 1700℃ | 1800℃ | 1900℃ |
| Maximum Operating Temperature | 1200℃ | 1400℃ | 1600℃ | 1700℃ | 1800℃ | 1900℃ |
| Long-term Operating Temperature | 1150℃ | 1350℃ | 1550℃ | 1680℃ | 1780℃ | 1850℃ |
| Temperature Control Range | 100-1200℃ | 100-1400℃ | 100-1600℃ | 100-1700℃ | 100-1800℃ | 100-1900℃ |
| Temperature Control Precision | ±1℃ | ±1℃ | ±1℃ | ±1℃ | ±1℃ | ±1℃ |
| Temperature Measuring Element | K-type thermocouple | S-type thermocouple | B-type thermocouple | B-type thermocouple | B-type thermocouple | Thermocouple + optical fiber |
| Heating Element Material | High-temperature alloy resistance wire | Silicon carbide rod | Molybdenum disilicide rod | 1800-type molybdenum disilicide rod | 1850-type molybdenum disilicide rod | 1900-type molybdenum disilicide rod |
| Installation Position of Heating Elements | Three-sided heating (both sides + bottom) | Top/bottom / both sides | Both sides | Both sides | Both sides | Both sides
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