Fecral strip Cr15Al5
Equivalent
| Grade | analogue | W. Nr. | Aisi Uns | En | Order |
|---|---|---|---|---|---|
| X15Yu5 | 1.4725 | K91670 | Buy from stock, view availability | ||
| X15Yu5 | 1.4767 | K92400 | Buy from stock, view availability |
Relevance
Fecral is an ideal alloy with an excessive specific real resistance (1,20−1,30 Ohm-mm2/m) which combine a heat resistance up to 1450 °C and is claimed to be indispensable at temperature extremes. These properties allow using this alloy extensively while manufacturing heating units. It has a perfect corrosive resistance on air, in argon, in a vacuum, oxidizing, sulfur-containing and carboniferous environments. It shows not very high relative density (7,2 g/cm3), but it has a great yield limit.
Cr15Al5 EUROFECHRAL
| Material | Alloy | Name | UNS name | DIN | AMS | ASTM |
| 1.4725 | Cr15Al5 | Cr15Al5 | K 92 500 | 17 470 | --- | B 603−1 |
The main applications: kilns, resistor elements, high-temperature furnaces, industrial tubular heating elements and heaters.
Percentage composition:
| Al | Cr | Fe | Mn | C | Si | Ni | Cu | Ti | Other | Rare earth elements |
| 4.6−5.8 | 14.5- 15.5 | Basis | Max 0.7 | till 0.05 | till 0.6 | till 0.6 | --- | till 0.6 | Zr, ≤0.3 | --- |
Mechanical characteristics t°20°C
| Number of bowings | Percentage extension |
| > 5 times | > 16% |
Physical characteristics t°20°C
| Hardness | Density | Breaking load | Maximum working temperature | Electrical resistivity | Magnetism | Melting point (ºС) |
| 200−260 HB | 7.1 g/cm³ | 637−784 m/Pa | 850 ºС | 1.30 Ohm-mm2/m | Magnetic | 1400 ºС |
Operating life
| Diameter | Temperature | Working time |
| Ø. 6,0 mm and more | ≤ 850 ºС | over 3500 h |
| Ø 3,0−6,0 mm | ≤ 800 ºС | over 1800 h |
| Ø 1,5−3,0 mm | ≤700 ºС | over 1800 h |
| Ø. 0,4−1,5 mm | ≤ 650 ºС | over 900 h |
Supplier
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