STA-ICA02 FECRAL heating resistance strap
USD $1.5 - $5 /Kilogram
Min.Order:10 Kilograms
STA Refractory (Zhengzhou) Co., Ltd.
STA-ICA02 FECRAL heating resistance strap
Cr20Ni80, Cr30Ni70, Cr15Ni60, Cr20Ni35, Cr20Ni30, Cr13Al4, Cr21Al4,Cr20Al5, Cr21Al6, Cr23Al5, Cr25Al5, Cr21Al15Nb
Heating Resistance Wire/China Producer
Nominal Analysis 20.00 Cr, 5.00 Al, Bal. Fe
Max contineous working temperature: 1250 C.
Melting Temperature: 1500 C Electrical Resistivity: 1.42 ohm mm2/m
Has been used extensively as heating elements in industrial furnaces and electrical kilns.
Has less hot strength than Tophet alloys but much higher melting point.
SHANGHAI TANKII ALLOY MATERIAL CO., LTD
MOST PROFESSIONAL ALCHROME AND FECRAL ALLOY PRODUCER IN CHINA
Main characteristics of Fe-Cr-Al high resistance and heating alloys
Alloy Nomenclature /Performance | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
Main Chemical | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 20.5-23.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.3 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
Re | opportune | opportune | opportune | opportune | opportune | opportune | opportune | |
Fe | Rest | Rest | Rest | Rest | Rest | Rest | Rest | |
|
|
|
|
|
| Nb0.5 | Mo1.8-2.2 | |
Max. continuous service temp. of element | 650 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
Resistivity at 20ºC | 1.25 | 1.42 | 1.42 | 1.35 | 1.23 | 1.45 | 1.53 | |
Density (g/cm3) | 7.40 | 7.10 | 7.16 | 7.25 | 7.35 | 7.10 | 7.10 | |
Thermal conductivity (KJ/m·h·ºC) | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 | |
Coefficient of lines expansion(α×10-6/ºC) | 15.4 | 16.0 | 14.7 | 15.0 | 13.5 | 16.0 | 16.0 | |
Melting point(approx.) (ºC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
Tensile strength(N/mm2) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
Elongation at rupture (%) | >16 | >12 | >12 | >12 | >12 | >12 | >10 | |
Variation of area(%) | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
Bending frequency (F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 | |
Hardness© (H.B.) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Micrographic structure | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
Magnetic properties | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic | Magnetic |