0.5mm Thickness FeCrAl Alloy Element Heating Strip Resistohm 135
1. Description
FECRAL Has been used extensively as heating elements in
industrial furnaces and electrical kilns.
FECRAL Has less hot strength than Tophet alloys but much
higher melting point.
We also produce below grades:
Alkrothal 14, Alloy 750, Alferon 902, Alchrome 750, Resistohm 125,
Aluchrom, 750 Alloy, Stablohm 750
TANKII A1, TANKII, Alloy 875, Resistohm 145, Aluchrom 0, Alchrome
875, MWS-875, Stablohm 875, KAF TANKII AF, Resistohm Y, Aluchrom Y,
Alloy 837, AF KAPM KAPM, Alloy 875 PM, TANKII APM
TANKII D, TANKII, Alloy 815, Alchrome DK, Alferon 901, Resistohm
135, Aluchrom S, Stablohm 812
2.Specification
1).Locomotive resistance strip:
Thickness:0.6mm-1.5mm
Width:60mm-90mm
2).Electric ceramic cooktop resistance strip:
Thickness:0.04mm-1.0mm
Width:5mm-12mm
Thickness&Width:(0.04mm-1.0mm)×12mm(above)
3).Low resistance ribbon:
Thickness&Width:(0.2mm-1.5mm)*5mm
4).Industrial furnace ribbon:
Thickness:1.5mm-3.0mm
Width:10mm-30mm
5).Wire: Diameter:0.05mm-10.0mm
3.Features
Heating Strip has Stable performance; Anti-oxidation;
Corrosion resistance;High temperature stability;
Excellent coil-forming ability;
Uniform and beautiful surface condition without spots.
4.Packing detail
Spool, coil, wooden case
(as per client's requirement)
5. Details
Chemical Composition and Main Property of Fe-Cr-Al Resistance Alloy
|
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
|
Resistivity 20℃ (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 |
6. Pictures
Application:
