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Home > Products > FeCrAl Alloy > Fecral Electric Heating Element for Industrial Furnace 0cr21al6nb

Fecral Electric Heating Element for Industrial Furnace 0cr21al6nb

Basic Info

Model No.:  0cr21al6nb

Product Description

Model NO.: 0cr21al6nb Type: Fecral Form: Strip Status: Bright Hardness: 200-260 Product Type: Strip Trademark: Ualloy Specification: GB/T 1234-2010 HS Code: 85149090 Certification: CCC, ISO9001 Material: Fecral Shape: Strip Alloy Specific Resistance: 1.45+-0.07 Melting Point: 1510 Carbon Content: Low Carbon Transport Package: Spool, Carton, Wooden Case Origin: China Best selling products FeCrAl Alloy 0cr21al6nb resisior strip
1. General Description
FeCrAl alloy is made by a high-temperature, ferritic iron-chromium-aluminium alloy which can be used at temperatures up to 1350degrees. Typical applications for 0Cr21Al6Nb are as electrical heating elements in high-temperature furnaces in the heat treating, ceramics, glass, steel, and electronics industries.

2. Chemical Composition
0Cr21Al6Nb Cr: 21.0-23.0% Al: 5.0-7.0% Fe: Balance Nb: Opportune 0.5
Adequacy 0.5

3. Properties
Alloy Specific Resistance (at 20° Cµ Ω -m): 1.45+-0.07
Hardness: 200-260
Linear Expansion Coeff. (T=20-1000degrees): 16.0X10-6
Melting Point: 1510
Max ContinuousService Temperance: 1350

4. Sizes:
Wire diameter: 0.15mm-8.0mm
Strip:
1). Electric ceramic cooktop resistance strip:
Thickness: 0.04mm-1.0mm
Width: 5mm-12mm
Thickness&Width: (0.04mm-1.0mm)× 12mm(above)
2). Low resistance ribbon:
Thickness&Width: (0.2mm-1.5mm)*5mm
3). Industrial furnace ribbon:
Thickness: 1.5mm-3.0mm
Width: 10mm-30mm
The allowable tolerance of alloy strip GB/T1234-2012  
Category Thickness ( mm ) Tolerance ( mm)  
Common precision High precision   
  Cold-rolled strip 0.05 ~ 0.1 ±0.01 ±0.005  
0.1 ~ 0.2 ±0.015 ±0.01  
0.2 ~ 0.5 ±0.02 ±0.015  
0.5 ~ 1.0 ±0.03 ±0.025  
1.0 ~ 1.8 ±0.04 ±0.03  
1.8 ~ 2.5 ±0.05 ±0.04  
2.5 ~ 4.0 ±0.06 ±0.05  
Hot-rolled Strip 2.5 ~ 5.0 ±0.25 ±0.2  
5.0 ~ 7.0 ±0.3 ±0.25  
7.0 ~ 10.0 ±0.4 ±0.35  
10.0 ~ 20.0 ±0.5 ±0.45  
         
         
The allowable tolerance of alloy strip GB/T1234-2012
Category Width ( mm ) Tolerance ( mm )
side cut Nonside cut
Common precision High precision 
Cold-rolled Strip 5.0 ~ 10.0 ±0.2 ±0.1 -0.6
10.0 ~ 20.0 -0.8
20.0 ~ 30.0 -1
30.0 ~ 50.0 ±0.3 ±0.15 -1.2
50.0 ~ 100.0 ±1.0
100.0 ~ 200.0 ±0.5 ±0.25 ±1.5
200.0 ~ 300.0 ±1.8
Hot-rolled Strip 15.0 ~ 60.0 / ±1.5
60.0 ~ 200.0 ±2.5
200.0 ~ 300.0 ±3.0
Properties/Grade 0Cr21Al6Nb
Main    Chemical    composition(%) Cr 21.0-23.0
Al 5.0-7.0
Fe Balance
Re opportune
  Nb: 0.5 
Max.       continuous    service    temp.       of    element 1350
Resistivity    at    20oC    (μ   Ω   @   m) 1.45+-0.07
Density    (g/cm3) 7.1
Thermal    conductivity(KJ/m@   h@   oC) 46.1
Coefficient    of    lines    expansion(α   ×   10-6/oC) 16
Melting    point    (approx.   )(    oC) 1510
Elongation    at    rupture    (%) ≥ 12
Micrographic    structure Ferrite
Magnetic    properties magnetic

Contact us if you need more details on Fecral Resistance Strip. We are ready to answer your questions on packaging, logistics, certification or any other aspects about 0cr21al6nb Strip、Fecral Electric Alloy Heating Resistance. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : FeCrAl Alloy

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