Tankii Iron Chrome Aluminum Resistance Alloy Wire A1TK1
Tankii Iron Chrome Aluminum Resistance Alloy Wire A1TK1
Tankii iron-chrome-aluminum (FeCrAl) resistance alloys are developed with the change in composition of chromium and aluminum elements.
They offer excellent anti-oxidization, anti- sulfur and anti-cementite properties.
TK1 large-sized cold-drawn wire products can be used for high-temperature resistance furnace. Practice has proved that: The product process is stable, integrated performance is good. Has good high temperature oxidation resistance and longer service life; Excellent winding properties at room temperature processing, ease of processing molding; Little rebound resilience and so on. Processing performance is better than 0Cr27Al7Mo2, high temperature performance is better than 0Cr21Al6Nb; Operating temperature can reach 1400º C.
Main specifications and uses:
Conventional Product specifications: 0.5 ~ 10 mm
Uses: Mainly used in powder metallurgy furnace, diffusion furnace, radiant tube heater and all kinds of high-temperature furnace heating body.
| Properties Grade | TK1 | |||
| Cr | Al | Re | Fe | |
| 25.0 | 6.0 | Suitable | Balance | |
| Max Continuous Service Temperature(ºC) | Diameter 1.0-3.0 | Diameter>3.0, | ||
| 1225-1350ºC | 1400ºC | |||
| Resisivity 20 (Ωmm2/m) | 1.45 | |||
| Density(g/cm 3 ) | 7.1 | |||
| Approximate Melting Point( ºC) | 1520 | |||
| Elongation (%) | 16-33 | |||
| Repeatedly Bend Frequency(F/R) 20 | 7-12 | |||
| Continuous Service Time | >60/1350ºC | |||
| Micrographic Structure | Ferrite | |||
The relationship between the maximum operating temperature and the furnace atmosphere
| Furnace atmosphere | Dry Air | Humid Air | hydrogen-argon gas | Argon | Decomposition ammonia gas |
| Temp | 1400 | 1200 | 1400 | 950 | 1200 |
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