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China
联系人 Mr. Jiang
159 Jiankang Road, Zhengzhou
The resistance alloy wire posses the characteristics of high resistance, low temperature coefficient of electric resistance, high operating temperature, good corrosion resistance under high temperature, especially under the atmosphere containing S or sulfides, as well as the lower price, it is widely used in industrial electric furnace, household electrical appliance and fast infrared ray device.
Main property sheet of Iron/Chrome/Aluminium alloy
|
Type No. |
1Cr*3Al4 |
OCr*1Al4 |
OCr*5Al5 |
OCr*1Al6 |
OCr*1Al6Nb |
OCr*7Al7Mo2 |
OCr*3Al5 |
|
|
|
Cr |
****5 |
****1 |
****6 |
****2 |
*1.***3.0 |
*6.***7.8 |
*0.***3.5 |
|
Main chemical |
Al |
**6 |
**4 |
4.**6.5 |
**7 |
**7 |
**7 |
4.**5.3 |
|
composition |
Fe |
Rest |
Rest |
Rest |
Rest |
Rest |
Rest |
Rest |
|
% |
Re |
Proper |
Proper |
Proper |
Proper |
Proper |
Proper |
Proper |
|
|
Mn |
≤0.7 |
≤0.7 |
≤0.7 |
≤0.7 |
≤0.7 |
≤0.2 |
≤0.7 |
|
|
Nb |
|
|
|
|
|
|
|
|
Max service Temp. |
℃ |
**0 |
***0 |
***0 |
***0 |
***0 |
***0 |
***0 |
|
Density g/cm3 |
|
7.*0 |
7.*5 |
7.1 |
7.1 |
7.1 |
7.1 |
7.*5 |
|
Resistivity pw ***6 &branded;.m |
|
1.*5 |
1.*3 |
1.*0 |
1.*0 |
1.*3 |
1.*3 |
1.*5 |
|
Melting point |
|
***0 |
***0 |
***0 |
***0 |
***0 |
***0 |
***0 |
|
(approx) ℃ |
|
|||||||
|
Tensile strength |
Mpa |
******5 |
******4 |
******4 |
******4 |
******4 |
******4 |
******4 |
|
Elongation |
% |
>*6 |
>*4 |
>*2 |
>*2 |
>*2 |
>*2 |
>*2 |
|
Variation of area |
% |
****5 |
****5 |
****5 |
****5 |
****5 |
****5 |
****5 |
|
Banding frequency |
|
>5 |
>5 |
>5 |
>5 |
>5 |
>5 |
>5 |
|
Hardness |
|
******0 |
******0 |
******0 |
******0 |
******0 |
******0 |
******0 |
|
Magnetic property |
|
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Magnetic |
Permissible Tolerance of FeCr Electrical Resistance Heating Alloy wires
|
Cold-drawn Alloy Wire |
Range of diameter |
Permissible Deviation |
|
0.****0.**0 |
±0.**5 |
|
|
>0.****0.**0 |
±0.**7 |
|
|
>0.****0.**0 |
±0.**0 |
|
|
>0.***0.*0 |
±0.**5 |
|
|
>0.***1.0 |
±0.*2 |
|
|
>1.**3.0 |
±0.*3 |
|
|
>3.**6.0 |
±0.*4 |
|
|
>6.**8.0 |
±0.*5 |
Permissible Tolerance of Thickness and Width of Cold-rolled Flat Wires
|
Thickness(mm) |
Permissible Deviation (mm) |
Width (mm) |
Permissible Deviation (mm) |
|
0.***0.1 |
±0.**0 |
<1.0 |
±0.*8 |
|
>0.***0.*0 |
±0.**5 |
>1.**1.5 |
±0.*0 |
|
>0.***0.*0 |
±0.**0 |
>1.**2.0 |
±0.*2 |
|
>0.***0.*0 |
*0.**0 |
>2.**3.0 |
±0.*8 |
|
>0.***0.*0 |
±0.**0 |
>3.**4.0 |
±0.*0 |
|
>0.***1.*0 |
*0.**0 |
>4.**5.0 |
±0.*5 |
