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Our heating /resistance wires, strips and other related products are of high quality with following features:
1. A quite reasonable price
2. Stable performance: high working temperature(The highest temperature can be 1400 centigrade), high strength under temperature, corrosion resistance, long life-span, allowable high surface load, small specific gravity, good formability and weldability.
NiCr, NiCrFe Alloys
|
TYPE
Property |
Cr15Ni60 |
Cr20Ni80 |
Cr20Ni30 |
Cr30Ni70 |
Cr20Ni35 |
|
Main Chemica
l Composition(%) |
Cr |
15-18 |
20-23 |
18-21 |
28-31 |
18-21 |
|
Ni |
55-61 |
Rest |
30-34 |
-- |
34-37 |
|
Fe |
Rest |
-- |
Rest |
≤1.0 |
-- |
|
Max continuous service Temp.of elements |
1100 |
1150 |
1100 |
1250 |
1100 |
|
Density(g/cm3) |
8.2 |
8.4 |
7.9 |
8.1 |
7.9 |
|
Melting point(approx ℃) |
1390 |
1400 |
1390 |
1380 |
1390 |
|
Elongating(%) |
＞20 |
＞20 |
＞30 |
＞20 |
＞20 |
|
Resistivity at 20℃ |
1.12-1.15±0.05 |
1.09-1.14±0.05 |
1.04-1.06±0.05 |
1.18±0.05 |
1.04±0.05 |
|
Micrographic structure
|
Austenite A |
Austenite A |
Austenite A |
Austenite A |
Austenite A |
|
Than hot J/g |
0.494 |
0.440 |
0.500 |
0.461 |
0.500 |
|
Heat conduction coefficient KJ/m.h |
45.2 |
60.3 |
43.8 |
45.2 |
43.8 |
|
Linear expansion coefficient a x 10-6/201000 |
17.0 |
18.0 |
19.0 |
17.0 |
19.0 |
|
magnetic |
Non-magnetic |
Non-magnetic |
Non-magnetic |
Non-magnetic |
Non-magnetic | |
