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您的位置：产品中心 |
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| 编号：0Cr25AL5、1Cr13AL4、0Cr21AL4、0Cr23AL5 |
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| 材质：铁铬铝圆丝 |
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| 规格：φ0.07mm~φ9.0mm |
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| 特点：铁铬铝电热合金丝的耐热性随着铬和铝的含量增加而提高，有优越的抗氧化性、抗硫性和抗渗碳性，且具有比重轻、表面负荷高、使用寿命长、价格低等一系列优点，被广泛应用于工业电炉、冶金、机械、家用电器等行业制作发热元件和电阻元件。 |
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冷拉合金线材 |
直径 |
φ1.0-φ9.0mm |
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绕轴光亮细丝 |
直径 |
φ0.07-φ1.0mm |
铁铬铝电热圆丝主要性能表：
|
牌号\性能 |
1Cr13AL4 |
0Cr21AL4 |
0Cr21AL6 |
0Cr23AL5 |
0Cr25AL5 |
|
主要化学成分 |
Cr |
12.0-15.0 |
18.0-21.0 |
19.0-22.0 |
20.0-23.5 |
23.0-26.0 |
|
AL |
4.0～6.0 |
3.0～4.0 |
5.0～7.0 |
4.2～5.3 |
4.5～6.5 |
|
Fe |
余量 |
余量 |
余量 |
余量 |
余量 |
|
Re |
适量 |
适量 |
适量 |
适量 |
适量 |
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|
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元件最高使用温度℃ |
950 |
1100 |
1250 |
1250 |
1250 |
|
熔点℃ |
1450 |
1500 |
1500 |
1500 |
1500 |
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密度g/cm3 |
7.40 |
7.35 |
7.16 |
7.25 |
7.10 |
|
电阻率μΩ·m，20℃ |
1.25±0.08 |
1.23±0.06 |
1.42±0.07 |
1.35±0.06 |
1.42±0.07 |
|
抗拉强度 Mpa |
588～735 |
637～784 |
637～784 |
637～784 |
637～784 |
|
延伸率% |
≥16 |
≥12 |
≥12 |
≥12 |
≥12 |
|
反复弯曲次数 |
≥5 |
≥5 |
≥5 |
≥5 |
≥5 |
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快速寿命h/℃ |
—— |
≥80/1250 |
≥80/1300 |
≥80/1300 |
≥80/1300 |
|
比热J/g.℃ |
0.490 |
0.490 |
0.520 |
0.460 |
0.494 |
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导热系数
KJ/m.h℃ |
52.7 |
46.9 |
63.2 |
60.2 |
46.1 |
|
线胀系数
a×10-6/℃
（20～1000℃ |
15.4 |
13.5 |
14.7 |
15.0 |
16.0 |
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硬度HB |
200～260 |
200～260 |
200～260 |
200～260 |
200～260 |
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显微组织 |
铁素体 |
铁素体 |
铁素体 |
铁素体 |
铁素体 |
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磁性 |
磁性 |
磁性 |
磁性 |
磁性 |
磁性 |
铁铬铝电热圆丝参数表： 表一
|
直径
(mm) |
截面积
(mm2)) |
每米
表面积
(cm2)/m) |
0Cr25AL5 |
0Cr23Al5 |
|
电阻率
μΩ • m 1.42±0.07 |
电阻率
μΩ • m 1.35±0.06 |
|
20ºC
每米电阻(Ω/m) |
每千克长度(m/kg) |
每米重量(kg/m) |
20ºC
每米电阻(Ω/m) |
每千克长度(m/kg) |
每米重量(kg/m) |
|
0.10 |
0.0078 |
3.14 |
180.6 |
17933 |
0.0000558 |
173.1 |
17683 |
0.0000566 |
|
0.12 |
0.0113 |
3.77 |
125.6 |
12453 |
0.0000803 |
119.5 |
12206 |
0.0000819 |
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0.15 |
0.0177 |
4.71 |
80.4 |
7970 |
0.000125 |
76.4 |
7793 |
0.000128 |
|
0.17 |
0.0227 |
5.34 |
62.6 |
6205 |
0.000161 |
59.5 |
6076 |
0.000165 |
|
0.19 |
0.0284 |
5.97 |
50.1 |
4959 |
0.000201 |
47.5 |
4854 |
0.00206 |
|
0.21 |
0.0346 |
6.60 |
41.0 |
4066 |
0.000246 |
35.5 |
3986 |
0.000276 |
|
0.25 |
0.0491 |
7.85 |
28.9 |
2870 |
0.000346 |
27.5 |
2809 |
0.000356 |
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0.27 |
0.0573 |
8.48 |
24.8 |
2460 |
0.000407 |
21.9 |
2407 |
0.000447 |
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0.29 |
0.0661 |
9.11 |
21.5 |
2132 |
0.000469 |
19.1 |
2087 |
0.000513 |
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0.31 |
0.0755 |
9.74 |
18.8 |
1866 |
0.000536 |
16.8 |
1827 |
0.000583 |
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0.35 |
0.0962 |
11.00 |
14.8 |
1464 |
0.000683 |
14.0 |
1434 |
0.000697 |
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0.40 |
0.1257 |
12.57 |
11.3 |
1121 |
0.000892 |
10.7 |
1097 |
0.000911 |
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0.45 |
0.1590 |
14.14 |
8.93 |
886 |
0.001129 |
8.49 |
867 |
0.00115 |
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0.50 |
0.1963 |
15.71 |
7.23 |
717 |
0.001394 |
6.88 |
703 |
0.00142 |
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0.60 |
0.283 |
18.85 |
5.02 |
498 |
0.00201 |
4.77 |
496 |
0.00205 |
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0.70 |
0.385 |
22.0 |
3.69 |
366 |
0.00273 |
3.51 |
358 |
0.00279 |
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0.80 |
0.503 |
25.1 |
2.83 |
280 |
0.00357 |
2.69 |
274 |
0.00365 |
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0.90 |
0.636 |
28.3 |
2.23 |
221 |
0.00452 |
2.12 |
217 |
0.00461 |
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1.00 |
0.785 |
31.4 |
1.808 |
179.5 |
0.00557 |
1.72 |
176 |
0.00569 |
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1.20 |
1.131 |
37.7 |
1.256 |
124.5 |
0.00803 |
1.194 |
122 |
0.00820 |
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1.40 |
1.539 |
44.0 |
0.922 |
91.5 |
0.01093 |
0.877 |
89.6 |
0.01116 |
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1.60 |
3.01 |
50.3 |
0.706 |
70.1 |
0.01427 |
0.672 |
68.6 |
0.01457 |
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1.80 |
2.54 |
56.5 |
0.558 |
55.5 |
0.01803 |
0.532 |
54.3 |
0.01842 |
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2.00 |
3.14 |
62.8 |
0.452 |
44.8 |
0.0223 |
0.430 |
43.9 |
0.02277 |
|
2.20 |
3.80 |
69.1 |
0.374 |
37.0 |
0.0270 |
0.355 |
36.3 |
0.02755 |
|
2.50 |
4.91 |
78.5 |
0.289 |
28.7 |
0.0349 |
0.275 |
28.1 |
0.03849 |
|
2.80 |
6.16 |
88.0 |
0.231 |
22.9 |
0.0437 |
0.219 |
22.4 |
0.04466 |
|
3.00 |
7.07 |
94.2 |
0.201 |
19.92 |
0.0502 |
0.191 |
19.5 |
0.05126 |
|
3.50 |
9.62 |
110.0 |
0.1476 |
14.64 |
0.0683 |
0.140 |
14.3 |
0.06975 |
|
4.00 |
12.57 |
125.7 |
0.1130 |
11.21 |
0.0892 |
0.107 |
11.0 |
0.09113 |
|
4.50 |
15.90 |
141.4 |
0.0893 |
8.86 |
0.1129 |
0.0849 |
8.67 |
0.1153 |
|
5.00 |
19.63 |
157.1 |
0.0723 |
7.17 |
0.1394 |
0.0688 |
7.03 |
0.1423 |
|
5.50 |
23.80 |
172.8 |
0.0598 |
5.92 |
0.1690 |
0.0568 |
5.80 |
0.1726 |
|
6.00 |
28.30 |
188.5 |
0.0502 |
4.98 |
0.201 |
0.0477 |
4.88 |
0.2052 |
|
6.50 |
33.20 |
204 |
0.0428 |
4.24 |
0.236 |
0.0407 |
4.15 |
0.2407 |
|
7.00 |
38.50 |
220 |
0.0369 |
3.66 |
0.273 |
0.0351 |
3.58 |
0.2791 |
铁铬铝电热圆丝参数： 表二
|
直径
(mm) |
截面积
(mm2)) |
每米
表面积
(mm2)/m) |
0Cr21Al4 |
1Cr13Al4 |
|
电阻率
μΩ • m 1.23±0.06 |
电阻率
μΩ • m 1.35±0.06 |
|
20ºC
每米电阻(Ω/m) |
每千克长度(m/kg) |
每米重量(kg/m) |
20ºC
每米电阻(Ω/m) |
每千克长度(m/kg) |
每米重量(kg/m) |
|
0.10 |
0.0078 |
3.14 |
156.6 |
17452 |
0.0000573 |
159.2 |
17206 |
0.0000581 |
|
0.12 |
0.0113 |
3.77 |
108.8 |
12033 |
0.0000831 |
110.5 |
11949 |
0.0000836 |
|
0.15 |
0.0177 |
4.71 |
69.6 |
7692 |
0.000130 |
70.7 |
7647 |
0.000131 |
|
0.17 |
0.0227 |
5.34 |
54.2 |
5988 |
0.000167 |
55.1 |
5954 |
0.000168 |
|
0.19 |
0.0284 |
5.97 |
43.4 |
4785 |
0.000209 |
44.1 |
4766 |
0.000210 |
|
0.21 |
0.0346 |
6.60 |
35.5 |
3937 |
0.000254 |
36.1 |
3901 |
0.000256 |
|
0.25 |
0.0491 |
7.85 |
25.1 |
2770 |
0.000361 |
25.5 |
2753 |
0.000363 |
|
0.27 |
0.0573 |
8.48 |
21.5 |
2375 |
0.000421 |
21.8 |
2360 |
0.000424 |
|
0.29 |
0.0661 |
9.11 |
18.6 |
2058 |
0.000486 |
18.9 |
2046 |
0.000489 |
|
0.31 |
0.0755 |
9.74 |
16.3 |
1802 |
0.000555 |
16.6 |
1790 |
0.000559 |
|
0.35 |
0.0962 |
11.00 |
12.8 |
1414 |
0.000707 |
13.0 |
1405 |
0.000712 |
|
0.40 |
0.1257 |
12.57 |
9.79 |
1082 |
0.000924 |
9.95 |
1075 |
0.000930 |
|
0.45 |
0.1590 |
14.14 |
7.73 |
855 |
0.00117 |
7.86 |
850 |
0.001177 |
|
0.50 |
0.1963 |
15.71 |
6.26 |
694 |
0.00144 |
6.37 |
688 |
0.001453 |
|
0.60 |
0.283 |
18.85 |
4.35 |
480 |
0.00208 |
4.42 |
480 |
0.002092 |
|
0.70 |
0.385 |
22.0 |
3.20 |
353 |
0.00283 |
3.25 |
351 |
0.002848 |
|
0.80 |
0.503 |
25.1 |
2.45 |
270 |
0.003697 |
2.49 |
269 |
0.003720 |
|
0.90 |
0.636 |
28.3 |
1.93 |
213 |
0.004675 |
1.96 |
212 |
0.004708 |
|
1.00 |
0.785 |
31.4 |
1.57 |
173 |
0.005770 |
1.59 |
172 |
0.005812 |
|
1.20 |
1.131 |
37.7 |
1.09 |
120 |
0.008313 |
1.11 |
119 |
0.008369 |
|
1.40 |
1.539 |
44.0 |
0.799 |
88.4 |
0.01131 |
0.812 |
87.8 |
0.001139 |
|
1.60 |
3.01 |
50.3 |
0.612 |
67.7 |
0.01477 |
0.622 |
67.2 |
0.01488 |
|
1.80 |
2.54 |
56.5 |
0.483 |
53.56 |
0.01867 |
0.491 |
53.1 |
0.01883 |
|
2.00 |
3.14 |
62.8 |
0.392 |
43.33 |
0.02308 |
0.398 |
43.0 |
0.02325 |
|
2.20 |
3.80 |
69.1 |
0.324 |
35.80 |
0.02793 |
0.329 |
35.5 |
0.02813 |
|
2.50 |
4.91 |
78.5 |
0.251 |
27.71 |
0.03609 |
0.255 |
27.5 |
0.03632 |
|
2.80 |
6.16 |
88.0 |
0.200 |
22.08 |
0.04528 |
0.203 |
21.9 |
0.04557 |
|
3.00 |
7.07 |
94.2 |
0.1740 |
19.25 |
0.05196 |
0.1768 |
19.1 |
0.05231 |
|
3.50 |
9.62 |
110.0 |
0.1278 |
14.14 |
0.07071 |
0.1299 |
14.0 |
0.07120 |
|
4.00 |
12.57 |
125.7 |
0.0979 |
10.82 |
0.09239 |
0.0995 |
10.75 |
0.09299 |
|
4.50 |
15.90 |
141.4 |
0.0773 |
8.55 |
0.1169 |
0.0786 |
8.50 |
0.1177 |
|
5.00 |
19.63 |
157.1 |
0.0626 |
6.93 |
0.1443 |
0.0637 |
6.88 |
0.1453 |
|
5.50 |
23.80 |
172.8 |
0.0518 |
5.72 |
0.1749 |
0.0526 |
5.69 |
0.1758 |
|
6.00 |
28.30 |
188.5 |
0.0435 |
4.81 |
0.2080 |
0.0442 |
4.78 |
0.2092 |
|
6.50 |
33.20 |
204 |
0.0371 |
4.09 |
0.2440 |
0.0377 |
4.07 |
0.2456 |
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7.00 |
38.50 |
220 |
0.0320 |
3.53 |
0.2830 |
0.0325 |
3.51 |
0.2848 |
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