Fecr13al4 Alloy 125 Ferritic Alloy Fecral13/4 Wire For Water Heater
FeCrAl resistance electrothermal alloy has high
resistivity, good surface oxidation resistance , and high strength
at high temperature, good processing performance and weldability ,
can be widely used in gold , household appliances , machinery
manufacturing industry as heating elements and electrical industry
as resistance materials.
Chemical Composition
| GRADE | Chemical Composition |
| Cr | P | S | Mn | Si | Cr | Ni | Al | Fe |
| 0Cr15Al5 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 14.5-15.5 | 5.0-7.0 | 4.5-5.3 | Rest |
Applications of FeCrAl:
| Application | Advantages |
| Automobile and motorcycle exhaust purification metal honeycomb
carrier | Uniform chemical composition, high resistivity, long service life. |
| Locomotive starting and brake resistor |
| Temperature detection, drilling oil field brake resistor |
| Grounding resistance cabinet for central point of power system |
| Cement resistance, sealing machine, diamond,electronic industry and
all kinds of ignition and heating electrode and motor voltage
regulator |
| Chemical
Composition and Main Property of Fe-Cr-Al Resistance Alloy |
Properties Grade
| 1Cr13Al4
| 0Cr25Al5
| 0Cr21Al6
| 0Cr23Al5
| 0Cr21Al4
| 0Cr21Al6Nb
| 0Cr27Al7Mo2
|
Main Chemical Composition
(%)
| Cr
| 12.0-15.0
| 23.0-26.0
| 19.0-22.0
| 22.5-24.5
| 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
| 4.2-5.0
| 3.0-4.2
| 5.0-7.0
| 6.0-7.0
|
Re
| opportune
| opportune
| opportune
| opportune
| opportune
| opportune
| opportune
|
Fe
| Bal.
| Bal.
| Bal.
| Bal.
| Bal.
| Bal.
| Bal.
|
|
|
|
|
|
| Nb0.5
| Mo1.8-2.2
|
Max Continuous Service Temperature(oC)
| 950
| 1250
| 1250
| 1250
| 1100
| 1350
| 1400
|
Resisivity 20oC (Ωmm2/m)
| 1.25
±0.08
| 1.42
±0.06
| 1.42
±0.07
| 1.35
±0.07
| 1.23
±0.07
| 1.45
±0.07
| 1.53
±0.07
|
Density(g/cm3)
| 7.4
| 7.1
| 7.16
| 7.25
| 7.35
| 7.1
| 7.1
|
Thermal Conductivity
| 52.7
| 46.1
| 63.2
| 60.2
| 46.9
| 46.1
| 45.2
|
(KJ/m@h@oC)
|
Coefficient of Thermal Expansion(α×10-6/oC)
| 15.4
| 16
| 14.7
| 15
| 13.5
| 16
| 16
|
Approximate Melting Point( 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(%)
| >16
| >12
| >12
| >12
| >12
| >12
| >10
|
Section Variation
| 65-75
| 60-75
| 65-75
| 65-75
| 65-75
| 65-75
| 65-75
|
Shrink Rate (%)
|
Repeatedly Bend 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
|
Continuous Service Time
| no
| ≥80/1300
| ≥80/1300
| ≥80/1300
| ≥80/1250
| ≥50/1350
| ≥50/1350
|
Micrographic Structure
| Ferrite
| Ferrite
| Ferrite
| Ferrite
| Ferrite
| Ferrite
| Ferrite
|
Magnetic Property
| Magnetic
| Magnetic
| Magnetic
| Magnetic
| Magnetic
| Magnetic
| Magnetic
|
