本公司生产的高电阻电热合金产品纯洁度,低杂质电阻率稳定,(量度系数)表面抗氧化性好,共有较高的高温强度和良好的加工性能及可焊性,钢种品种规格齐全。广泛用于冶金工业炉业,家用电器,机械制造等行业做发热元件和电阻材料。
牌号 | Cr20Ni80 | Cr30Ni70 | Cr15Ni60 | Cr20Ni35 | Cr20Ni30 | |
性能 | ||||||
主要化学成分% | 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 | |
元件最高使用温度℃ | 1200 | 1250 | 1150 | 1100 | 1100 | |
熔点℃ | 1400 | 1380 | 1390 | 1390 | 1390 | |
密度g/cm3 | 8.40 | 8.10 | 8.20 | 7.90 | 7.90 | |
电阻率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 | |
比热J/g.℃ | 0.440 | 0.461 | 0.494 | 0.500 | 0.500 | |
导热系数KJ/m.h℃ | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
线胀系数a×10-6/℃(20~1000℃) | 18.0 | 17.0 | 17.0 | 19.0 | 19.0 | |
显微组织 | 奥氏体 | 奥氏体 | 奥氏体 | 奥氏体 | 奥氏体 | |
磁性 | 非磁性 | 非磁性 | 非磁性 | 非磁性 | 非磁性 |
(厚×宽)(mm) | 截面积 (mm2) | 0Cr25A15 | 0Cr21A14 | Cr20Ni80 | ||||||
电阻率1.42±0.06μΩ·m | 电阻率1.23±0.06μΩ·m | 电阻率1.091.14±0.05μΩ·m | ||||||||
20℃每米 电阻(Ω/m) | 每千克 长度(m/kg) | 每米重量 (kg/m) | 20℃每米 电阻(Ω/m) | 每千克 长度(m/kg) | 每米重量 (kg/m) | 20℃每米 电阻(Ω/m) | 每千克 长度(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 |
冷拉合金线材 | 直径 | φ1.0-φ10.0mm |
热轧合金盘元 | 直径 | φ8.0-φ12.0mm |
冷轧合金带材 | 厚度 | 0.5-3.5mm |
| 宽度 | 5.0-45.0mm |
热轧合金带材 | 厚度 | 3.0-6.0mm |
| 宽度 | 12.0-45.0mm |
绕轴光亮细丝 | 直径 | φ0.1-φ1.0mm |
绕轴光亮扁丝 | 厚度 | 0.08-1.50mm |
宽度 | 0.5-5.0mm |