本公司生產(chǎn)的高電阻電熱合金產(chǎn)品純潔度，低雜質(zhì)電阻率穩(wěn)定，（量度系數(shù)）表面抗氧化性好，共有較高的高溫強(qiáng)度和良好的加工性能及可焊性，鋼種品種規(guī)格齊全。廣泛用于冶金工業(yè)爐業(yè)，家用電器，機(jī)械制造等行業(yè)做發(fā)熱元件和電阻材料。
| 鎳鉻合金扁帶主要技術(shù)性能： |
| 牌號(hào) |
cr20ni80 |
cr30ni70 |
cr15ni60 |
cr20ni35 |
cr20ni30 |
| 性能 |
|
|
|
|
|
| 主要化學(xué)成分％ |
ni |
余量 |
余量 |
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 |
≤1.0
|
≤1.0
|
余量 |
余量 |
余量 |
元件最高使用溫度℃
|
1200 |
1250 |
1150 |
1100 |
1100 |
熔點(diǎn)℃
|
1400 |
1380 |
1390 |
1390 |
1390 |
密度g/cm3
|
8.40 |
8.10 |
8.20 |
7.90 |
7.90 |
電阻率μω·m，20℃
|
1.09±0.05
|
1.18±0.05
|
1.11±0.05
|
1.04±0.05
|
1.04±0.05 |
延伸率％
|
≥20
|
≥20
|
≥20
|
≥20
|
≥20 |
比熱j/g.℃
|
0.440
|
0.461
|
0.494
|
0.500
|
0.500 |
導(dǎo)熱系數(shù)kj/m.h℃
|
60.3 |
45.2 |
45.2 |
43.8 |
43.8 |
線脹系數(shù)a×10-6/℃（20～1000℃）
|
18.0 |
17.0 |
17.0 |
19.0 |
19.0 |
顯微組織
|
奧氏體 |
奧氏體 |
奧氏體 |
奧氏體 |
奧氏體 |
| 磁性 |
非磁性 |
非磁性 |
非磁性 |
非磁性 |
非磁性 |
鎳鉻合金扁帶設(shè)計(jì)參數(shù):
| （厚×寬）（mm） |
截面積
(mm2) |
0cr25a15 |
0cr21a14 |
cr20ni80 |
| 電阻率1.42±0.06μω·m |
電阻率1.23±0.06μω·m |
電阻率1.091.14±0.05μω·m |
20℃每米
電阻(ω/m) |
每千克
長度(m/kg) |
每米重量
(kg/m) |
20℃每米
電阻(ω/m) |
每千克
長度(m/kg) |
每米重量
(kg/m) |
20℃每米
電阻(ω/m) |
每千克
長度(m/kg) |
每米重量
(kg/m) |
0.5×10
|
4.90 |
0.2900 |
28.74 |
0.03479 |
0.2510 |
27.76 |
0.03602 |
0.222 |
24.30 |
0.04116 |
0.8×10
|
7.84 |
0.1811 |
17.94 |
0.05566 |
0.1569 |
17.35 |
0.05762 |
0.139 |
15.18 |
0.06586 |
1.0×10
|
9.80 |
0.1449 |
14.37 |
0.06958 |
0.1255 |
13.88 |
0.07203 |
0.115 |
12.15 |
0.08232 |
1.2×10
|
11.76 |
0.1207 |
11.98 |
0.08350 |
0.1046 |
11.57 |
0.08644 |
0.0961 |
10.12 |
0.09878 |
1.5×10
|
14.70 |
0.0966 |
9.58 |
0.10437 |
0.0837 |
9.26 |
0.10805 |
0.0769 |
8.10 |
0.1235 |
2.0×10
|
19.60 |
0.0724 |
7.19 |
0.13920 |
0.0628 |
6.94 |
0.14406 |
0.0577 |
6.08 |
0.1646 |
| 0.8×15 |
11.76 |
0.1207 |
11.98 |
0.08350 |
0.1046 |
11.57 |
0.08644 |
0.0927 |
10.12 |
0.09878
|
1.0×15
|
14.70 |
0.0966 |
9.58 |
0.10437 |
0.0837 |
9.26 |
0.10805 |
0.0769 |
8.10 |
0.1235 |
1.2×15
|
17.64 |
0.0805 |
7.98 |
0.12524 |
0.0697 |
7.71 |
0.1297 |
0.0641 |
6.75 |
0.1482 |
1.5×15
|
22.05 |
0.0644 |
6.39 |
0.15656 |
0.0558 |
6.17 |
0.16207 |
0.0512 |
5.40 |
0.1852 |
2.0×15
|
29.40 |
0.0483 |
4.79 |
0.20874 |
0.0418 |
4.63 |
0.21609 |
0.0384 |
4.05 |
0.2470 |
2.5×15
|
36.75 |
0.0386 |
3.83 |
0.26093 |
0.0335 |
3.70 |
0.27011 |
0.0307 |
3.24 |
0.3087 |
0.8×20
|
15.68 |
0.0906 |
8.98 |
0.11133 |
0.0784 |
8.68 |
0.11525 |
0.0695 |
7.59 |
0.1317 |
1.0×20
|
19.60 |
0.0724 |
7.19 |
0.13916 |
0.0628 |
6.94 |
0.14406 |
0.0577 |
6.07 |
0.1646 |
1.2×20
|
23.52 |
0.0604 |
5.99 |
0.16699 |
0.0523 |
5.78 |
0.17287 |
0.0480 |
5.06 |
0.1976 |
1.5×20
|
29.40 |
0.0483 |
4.79 |
0.20874 |
0.0418 |
4.63 |
0.21609 |
0.0384 |
4.05 |
0.2470 |
2.0×20
|
39.20 |
0.0362 |
3.59 |
0.27832 |
0.0314 |
3.47 |
0.28812 |
0.0288 |
3.04 |
0.3293 |
2.5×20
|
49.00 |
0.0290 |
2.87 |
0.34790 |
0.0251 |
2.78 |
0.36015 |
0.0231 |
2.43 |
0.4116 |
3.0×25
|
58.80 |
0.0241 |
2.40 |
0.41748 |
0.0209 |
2.31 |
0.43218 |
0.0192 |
2.02 |
0.4936 |
1.0×25
|
24.50 |
0.0580 |
5.75 |
0.17395 |
0.0502 |
5.55 |
0.18008 |
0.0461 |
4.86 |
0.2058 |
| 1.2×25 |
29.40 |
0.0483 |
4.79 |
0.20874 |
0.0418 |
4.63 |
0.21609 |
0.0384 |
4.05 |
0.2470 |
1.5×25
|
36.75 |
0.0386 |
3.83 |
0.26093 |
0.0335 |
3.70 |
0.27011 |
0.0307 |
3.24 |
0.3087 |
2.0×25
|
49.00 |
0.0290 |
2.87 |
0.34790 |
0.0251 |
2.78 |
0.36015 |
0.0231 |
2.43 |
0.4116 |
2.5×25
|
61.25 |
0.0232 |
2.30 |
0.43488 |
0.0201 |
2.22 |
0.45019 |
0.0184 |
1.94 |
0.5145 |
3.0×25
|
73.50 |
0.0193 |
1.92 |
0.52185 |
0.0167 |
1.85 |
0.54023 |
0.0154 |
1.62 |
0.6174 |
1.0×30
|
29.40 |
0.0483 |
4.79 |
0.20874 |
0.0418 |
4.63 |
0.21609 |
0.0384 |
4.05 |
0.2470 |
1.2×30
|
35.28 |
0.0402 |
3.99 |
0.25049 |
0.0349 |
3.68 |
0.25931 |
0.0320 |
3.37 |
0.2964 |
1.5×30
|
44.10 |
0.0322 |
3.19 |
0.31311 |
0.0279 |
3.09 |
0.32414 |
0.0256 |
2.70 |
0.3704 |
2.0×30
|
58.80 |
0.0241 |
2.40 |
0.41748 |
0.0209 |
2.31 |
0.43218 |
0.0192 |
2.02 |
0.4939 |
2.5×30
|
73.50 |
0.0193 |
1.92 |
0.52185 |
0.0167 |
1.85 |
0.54023 |
0.0154 |
1.62 |
0.6174 |
3.0×30
|
88.20 |
0.0161 |
1.60 |
0.62622 |
0.139 |
1.54 |
0.64827 |
0.0128 |
1.35 |
0.7409 |
3.5×30
|
102.9 |
0.0138 |
1.37 |
0.73059 |
0.0120 |
1.32 |
0.75632 |
0.0111 |
1.16 |
0.8644 |
1.0×35
|
34.30 |
0.0414 |
4.11 |
0.24353 |
0.0359 |
3.97 |
0.25211 |
0.0329 |
3.47 |
0.2881 |
1.2×35
|
41.16 |
0.0345 |
3.42 |
0.29244 |
0.0299 |
3.31 |
0.30253 |
0.0275 |
2.89 |
0.3457 |
1.5×35
|
51.45 |
0.0276 |
2.74 |
0.36530 |
0.0239 |
2.64 |
0.37816 |
0.0220 |
2.31 |
0.4322 |
2.0×35
|
68.60 |
0.0207 |
2.05 |
0.48706 |
0.0179 |
1.98 |
0.50421 |
0.0165 |
1.74 |
0.5762 |
2.5×35
|
85.75 |
0.0166 |
1.64 |
0.60883 |
0.0143 |
1.59 |
0.63026 |
0.0132 |
1.39 |
0.7203 |
3.0×35
|
102.9 |
0.0138 |
1.37 |
0.73059 |
0.0120 |
1.32 |
0.75632 |
0.0110 |
1.16 |
0.8644 |
3.5×35
|
120.1 |
0.0118 |
1.17 |
0.85271 |
0.0102 |
1.13 |
0.88274 |
0.0095 |
0.99 |
1.0088 |
1.0×40
|
39.20 |
0.0362 |
3.59 |
0.27832 |
0.0314 |
3.47 |
0.28812 |
0.0288 |
3.04 |
0.3293 |
1.2×40
|
47.04 |
0.0302 |
2.99 |
0.33398 |
0.0261 |
2.89 |
0.34574 |
0.0240 |
2.53 |
0.3951 |
1.5×40
|
58.80
|
0.0241 |
2.40 |
0.41748 |
0.0209 |
2.31 |
0.43218 |
0.0192 |
2.02 |
0.4939 |
2.0×40
|
78.40 |
0.0181 |
1.80 |
0.55664 |
0.0157 |
1.74 |
0.57624 |
0.0144 |
1.52 |
0.6586 |
2.5×40
|
98.00 |
0.0145 |
1.44 |
0.69580 |
0.0126 |
1.39 |
0.72030 |
0.0115 |
1.21 |
0.8232 |
3.0×40
|
117.6 |
0.0121 |
1.20 |
0.83496 |
0.0105 |
1.16 |
0.86436 |
0.0096 |
1.01 |
0.9878 |
3.5×40
|
137.2 |
0.0103 |
1.03 |
0.97412 |
0.0090 |
0.99 |
1.00842 |
0.0083 |
0.87 |
1.1525 |
| 4.0×40 |
156.8 |
0.0091 |
0.898 |
1.11328 |
0.0078 |
0.87 |
1.15248 |
0.0073 |
0.76 |
1.1371 |
|
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