Iron chromium aluminum alloy have superior heat resistant,,the osidation resistant. using small the Characteristicsof high temperature. Under high temperature corrosion resistance, especially suitable for contains sulfur and sulfides used in the atmosphere, and has a high proportion of light, surface load, long service life, low price, and a series of merit, is the furnace, household appliances, infrared device for the ideal of fever materials.
Main Property of nichrome wire
|
Alloy Nomenclature Performance
|
Cr20Ni80
|
Cr30Ni70
|
Cr15Ni60
|
Cr20Ni35
|
Cr20Ni30
|
|
Main Chemical composition
|
Ni
|
Rest
|
Rest
|
55.0-61.0
|
34.0-37.0
|
30.0-34.0
|
|
Cr
|
20.0-23.0
|
28.0-31.0
|
15.0-18.0
|
18.0-21.0
|
18.0-21.0
|
|
Fe
|
≤1.0
|
≤1.0
|
Rest
|
Rest
|
Rest
|
|
Max. continuous service temp. of element(ºC)
|
1200
|
1250
|
1150
|
1100
|
1100
|
|
Resistivity at 20ºC (μΩ·m)
|
1.09
|
1.18
|
1.12
|
1.0
|
1.04
|
|
Density(g/cm3)
|
8.40
|
8.10
|
8.20
|
7.90
|
7.90
|
|
Thermal conductivity (KJ/m·h·ºC)
|
60.3
|
45.2
|
45.2
|
43.8
|
43.8
|
|
Coefficient of lines expansion(α×10-6/ºC)
|
18.0
|
17.0
|
17.0
|
19.0
|
19.0
|
|
Melting point approx.( ºC)
|
1400
|
1380
|
1390
|
1390
|
1390
|
|
Elongation at rupture(%)
|
>20
|
>20
|
>20
|
>20
|
>20
|
|
Micrographic structure
|
austenite
|
austenite
|
austenite
|
austenite
|
austenite
|
|
Magnetic properties
|
nonmagnetic
|
nonmagnetic
|
Weak magnetic
|
Weak magnetic
|
Weak magnetic
|
1.Material: 0Cr27Al7Mo2, 0Cr21Al6Nb, 0Cr21Al6, 0Cr25Al5, 0Cr23Al5, 0Cr21Al4, 1Cr19Al4, 0Cr15Al5, 1Cr13Al4
2.Wire Dia: 0. 16-2.53mm.
3.Aperture: 0.46-25mm.
4.Weave pattern: dutch weave,twill weave,plain weave,etc.
Benefits:
1) Good workability and weldability;
2) Lower raw-material cost;
3) Good ductility and lower density;
4) Low temperature coefficient of electric resistance;
5) High operating temperature and good oxidation resistance;
6) Good corrosion resistance under high temperature, especially under the atmosphere containing sulfides.
Usage: 1. FeCrAl alloy wire mesh widely used in drying and heating equipment in metallurgy, colliery, dyeing, food factory, hospital, high density board factory and cardboard.
2.It is an ideal heating material for Industrial electric furnace,household electrical appliance,infrared device and so on.
Packaging Details: 1.inside:plastic films 2.outside:carton 3.within wood tray or iron tray, wood box
Delivery Detail: within 15-20 days after confirmation.
