 Main Applications Our high resistance electric heating alloy has a wide range of temperatures. The highest temperature can be1,400¡æ.Besides, we have eleven different kinds of alloys, each type has its own temperature range and resistivity. So our products have various applications.
Over a long period of time, our products (Fe-Cr-Al/Ni-Cr) high resistance and heating alloy materials are salable and  widely used in various industries, such as metallurgical, chemical, glass, ceramic, and electrics for instance, they can be used for industrial and civil heating-furnace, infrared equipment, liquefied gas infrared heat-resisting net, different kinds of igniting and radiating electrodes and voltage-regulating resistors for motors and so on. Meanwhile our products are ideal materials for heating elements of electric stove, electric teapot, electric iron, electric blower, soldering-iron, electric water heater and indoor air-conditioner and etc.
Specifications Standard: (GB/T 1234¡¢Q/IYRO 01)
Main Performance of Ni-Cr and Ni-Cr-Fe electric heating alloys
|
|
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 |
¡Ü1.0 |
¡Ü1.0 |
Rest |
Rest |
Rest |
|
Max.continuous
service temp.of
element (¡æ) |
1200 |
1250 |
1150 |
1100 |
1100 |
|
Melting point
(approx.) ¡æ |
1400 |
1380 |
1390 |
1390 |
1390 |
|
Density
g/cm3 |
8.40 |
8.10 |
8.20 |
7.90 |
7.90 |
|
Resistivity
¦Ì¦¸.m,20¡æ |
1.09 |
1.18 |
1.12 |
1.0 |
1.04 |
|
Elongation
% |
¡Ý20 |
¡Ý20 |
¡Ý20 |
¡Ý20 |
¡Ý20 |
|
Thermal
conductivity
KJ/m.h.¡æ |
60.3 |
45.2 |
45.2 |
43.8 |
43.8 |
|
Coefficient
of linear
expansion
¦Á¡Á10-6/¡æ |
18.0 |
17.0 |
17.0 |
19.0 |
19.0 |
|
Micrographic
structure |
austenite |
austenite |
austenite |
austenite |
austenite |
|
Magnetic
properties |
non
magnetic |
non
magnetic |
non
magnetic |
weak
magnetic |
weak
magnetic | |
