Index of Alloy (Fe-Cr-Al series) Heating Element
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1Cr13A14 |
1Cr21A14 |
0Cr21A16 |
0Cr23A15 |
0Cr25A15 |
0Cr21A16Nb |
0Cr27A17Mo2 |
Component (%) |
Cr |
12~15 |
17~21 |
19~22 |
20.5~23.5 |
23~26 |
21~23 |
26.5~27.8 |
Al |
4~6 |
2~4 |
5~7 |
4.2~5.3 |
4.5~6.5 |
5~7 |
6~7 |
Fe |
Margin |
Margin |
Margin |
Margin |
Margin |
Margin |
Margin |
Re |
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Nb: 0.5 |
Mo: 1.8~2.2 |
Max usage Temperature (⊥) |
|
950 |
1100 |
1250 |
1250 |
1250 |
1350 |
1400 |
Melting Point (⊥) |
|
1450 |
1500 |
1500 |
1500 |
1500 |
1510 |
1520 |
Bulk Density (g/cm3) |
|
7.4 |
7.35 |
7.16 |
7.25 |
7.1 |
7.1 |
7.1 |
Resistance (u次/m,20⊥) |
|
1.25㊣0.08 |
1.23㊣0.06 |
1.42㊣0.07 |
1.35㊣0.06 |
1.42㊣0.07 |
1.45㊣0.07 |
1.53㊣0.07 |
Tension Intensity (Mpa) |
|
588~735 |
637~784 |
637~784 |
637~784 |
637~784 |
637~784 |
686~784 |
Extensibility (%) |
|
≡16 |
≡12 |
≡12 |
≡12 |
≡12 |
≡12 |
≡10 |
Bending Times |
|
≡5 |
≡5 |
≡5 |
≡5 |
≡5 |
≡5 |
≡5 |
Accelerated Life (h/⊥) |
|
- |
≡80/1250 |
≡80/1300 |
≡80/1300 |
≡80/1300 |
≡50/1350 |
≡50/1350 |
Specific Heat (J/g. ⊥) |
|
0.49 |
0.49 |
0.52 |
0.46 |
0.494 |
0.494 |
0.494 |
Thermal Conductivity (KJ/m.h⊥) |
|
52.7 |
46.9 |
63.2 |
60.2 |
46.1 |
46.1 |
45.2 |
Linear Expansivity (a℅10-6/⊥ 20~1000⊥) |
|
15.4 |
13.5 |
14.7 |
15 |
16 |
16 |
16 |
Hardness (HB) |
|
200~260 |
200~260 |
200~260 |
200~260 |
200~260 |
200~260 |
200~260 |
Nickel-Chrom heating element
Diameter (mm) |
Sectional Area (mm2) |
Superficial Area cm2/m |
Cr20Ni80 |
Weight kg/m |
Resistance 次/m,20⊥ |
0.10 |
0.007854 |
3.142 |
0.00006597 |
138.8 |
0.12 |
0.01131 |
3.770 |
0.00009500 |
96.38 |
0.15 |
0.01767 |
4.712 |
0.0001484 |
61.68 |
0.17 |
0.02270 |
5.341 |
0.0001907 |
48.02 |
0.19 |
0.02835 |
5.969 |
0.0002382 |
38.44 |
0.21 |
0.03464 |
6.597 |
0.0002909 |
31.47 |
0.25 |
0.04909 |
7.854 |
0.0004123 |
22.21 |
0.27 |
0.05726 |
8.482 |
0.0004809 |
19.04 |
0.29 |
0.06605 |
9.111 |
0.0005548 |
16.50 |
0.31 |
0.07548 |
9.739 |
0.0006340 |
14.44 |
0.35 |
0.09621 |
11.00 |
0.0008082 |
11.33 |
0.40 |
0.1257 |
12.57 |
0.001056 |
8.674 |
0.45 |
0.1590 |
14.14 |
0.001339 |
6.835 |
0.50 |
0.1963 |
15.71 |
0.001469 |
5.551 |
0.60 |
0.2827 |
18.85 |
0.002375 |
3.855 |
0.70 |
0.3848 |
21.99 |
0.003233 |
2.832 |
0.80 |
0.5027 |
25.13 |
0.004222 |
2.168 |
0.90 |
0.6362 |
28.27 |
0.005344 |
1.713 |
1.00 |
0.7854 |
31.42 |
0.006597 |
1.388 |
1.20 |
1.131 |
37.70 |
0.009500 |
0.9638 |
1.40 |
1.539 |
43.98 |
0.01293 |
0.7081 |
1.60 |
2.011 |
50.27 |
0.01689 |
0.5421 |
1.80 |
2.545 |
56.55 |
0.02138 |
0.4283 |
2.00 |
3.142 |
62.83 |
0.02639 |
0.3470 |
2.20 |
3.801 |
69.12 |
0.03139 |
0.2867 |
2.50 |
3.976 |
70.69 |
0.03340 |
0.2741 |
2.80 |
6.158 |
87.96 |
0.05172 |
0.1770 |
3.00 |
7.069 |
94.25 |
0.05938 |
0.1542 |
3.50 |
9.621 |
110.0 |
0.08082 |
0.1133 |
4.00 |
12.57 |
125.7 |
0.1056 |
0.08674 |
4.50 |
15.90 |
141.4 |
0.1336 |
0.06853 |
5.00 |
19.63 |
157.1 |
0.1649 |
0.05551 |
5.50 |
23.76 |
172.8 |
0.1996 |
0.04588 |
6.00 |
28.27 |
188.5 |
0.2375 |
0.03855 |
6.50 |
33.18 |
204.2 |
0.2787 |
0.03285 |
7.00 |
38.48 |
219.9 |
0.3233 |
0.02832 |
Wattage Index of Alloy (Fe-Cr-Al series, Spring shape) Heating Element
Wattage W |
Voltage V |
Diameter mm |
Outer Diameter mm |
Length of Spring mm |
Length of Line mm |
Cold Resistance 次 |
Hot Resistance 次 |
Weight g |
3000 |
220 |
1.20 |
6.4 |
894 |
12.12 |
15.0 |
16.1 |
97 |
2500 |
220 |
1.10 |
6.2 |
840 |
12.20 |
18.0 |
19.4 |
83 |
2000 |
220 |
0.90 |
5.8 |
620 |
10.30 |
22.6 |
24.2 |
46.4 |
1500 |
220 |
0.80 |
5.6 |
590 |
10.75 |
30.0 |
32.3 |
38.8 |
1200 |
220 |
0.70 |
5.4 |
500 |
10.40 |
37.8 |
40.4 |
28.1 |
1000 |
220 |
0.65 |
5.3 |
480 |
10.70 |
45.2 |
48.5 |
25.2 |
900 |
220 |
0.65 |
5.3 |
530 |
11.90 |
50.2 |
53.8 |
28.3 |
800 |
220 |
0.60 |
4.7 |
530 |
11.40 |
56.4 |
60.4 |
22.9 |
700 |
220 |
0.55 |
4.6 |
480 |
11.00 |
64.6 |
69.2 |
18.7 |
600 |
220 |
0.50 |
4.5 |
422 |
10.60 |
75.4 |
80.4 |
14.9 |
500 |
220 |
0.45 |
4.4 |
374 |
10.30 |
90.6 |
97.0 |
11.4 |
400 |
220 |
0.4 |
3.8 |
380 |
10.15 |
113.0 |
121.1 |
9.1 |
300 |
220 |
0.36 |
3.7 |
346 |
10.40 |
151.0 |
161.1 |
7.1 |
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