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铁铬铬高电阻电热合金具有电阻率高、电阻温度系数小、使用温度高的特点。在高温下耐腐蚀性好,尤其适合在含有硫和硫化物气氛中使用,且价格低廉,是工业电炉、家用电器、远红外装置中理想的发热材料。
铁铬铝电热合金丝主要技术性能: | ||||||||
牌号 | 1Cr13AL4 | 1Cr21AL4 | 0Cr21AL6 | 0Cr23AL5 | 0Cr25AL5 | 0Cr21AL6Nb | 0Cr27AL7Mo2 | |
性能 | ||||||||
主要化学成分% | Cr | 12.0-15.0 | 17.0-21.0 | 19.0-22.0 | 20.0-23.5 | 23.0-26.0 | 21.0~23.0 | 26.5~27.8 |
AI | 4.0~6.0 | 2.0~4.0 | 5.0~7.0 | 4.2~5.3 | 4.5~6.5 | 5.0~7.0 | 6.0~7.0 | |
Fe | 余量 | 余量 | 余量 | 余量 | 余量 | 余量 | 余量 | |
Re | 适量 | 适量 | 适量 | 适量 | 适量 | 适量 | 适量 | |
加入量Nb:0.5 | 加入量Nb:0.5 | |||||||
元件最高使用温度℃ | 950 | 1100 | 1250 | 1250 | 1250 | 1350 | 1400 | |
熔点℃ | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
密度g/cm3 | 7.40 | 7.35 | 7.16 | 7.25 | 7.10 | 7.10 | 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 | 1.45±0.07 | 1.53±0.07 | |
抗拉强度 Mpa | 588~735 | 637~784 | 637~784 | 637~784 | 637~784 | 637~784 | 686~784 | |
延伸率% | ≥16 | ≥12 | ≥12 | ≥12 | ≥12 | ≥12 | ≥10 | |
反复弯曲次数 | ≥5 | ≥5 | ≥5 | ≥5 | ≥5 | ≥5 | ≥5 | |
快速寿命h/℃ | —— | ≥80/1250 | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1350 | ≥80/1350 | |
比热J/g.℃ | 0.490 | 0.490 | 0.520 | 0.460 | 0.494 | 0.494 | 0.494 | |
导热系数KJ/m.h℃ | 52.7 | 46.9 | 63.2 | 60.2 | 46.1 | 46.1 | 45.2 | |
线胀系数 | 15.4 | 13.5 | 14.7 | 15.0 | 16.0 | 16.0 | 16.0 | |
硬度HB | 200~260 | 200~260 | 200~260 | 200~260 | 200~260 | 200~260 | 200~260 | |
显微组织 | 铁素体 | 铁素体 | 铁素体 | 铁素体 | 铁素体 | 铁素体 | 铁素体 | |
磁性 | 磁性 | 磁性 | 磁性 | 磁性 | 磁性 | 磁性 | 磁性 |
铁铬铝电热合金丝主要设计参数: | ||||||||
线 径 (mm) | 截面积 (mm2) | 每米 表面积 cm2/m | 0Cr25AL5 | 0Cr21AL6Nb | 0Cr27AL7Mo2 | |||
每米重量 kg/m | 每米电阻 Ω/m,20℃ | 每米重量 kg/m | 每米电阻 Ω/m,20℃ | 每米重量 kg/m | 每米电阻 Ω/m,20℃ | |||
0.10 | 0.007854 | 3.142 | 0.00005576 | 180.8 | 0.00005576 | 184.6 | 0.00005576 | 194.8 |
0.12 | 0.01131 | 3.770 | 0.00008030 | 125.6 | 0.00008030 | 128.2 | 0.00008030 | 135.3 |
0.15 | 0.01767 | 4.712 | 0.0001255 | 80.36 | 0.0001255 | 82.05 | 0.0001255 | 86.58 |
0.17 | 0.02270 | 5.341 | 0.0001612 | 62.56 | 0.0001612 | 63.88 | 0.0001612 | 67.41 |
0.19 | 0.02835 | 5.969 | 0.0002013 | 50.08 | 0.0002013 | 51.14 | 0.0002013 | 53.96 |
0.21 | 0.03464 | 6.597 | 0.0002459 | 41.00 | 0.0002459 | 41.86 | 0.0002459 | 44.17 |
0.25 | 0.04909 | 7.854 | 0.0003485 | 28.93 | 0.0003485 | 29.54 | 0.0003485 | 31.17 |
0.27 | 0.05726 | 8.482 | 0.0004065 | 24.80 | 0.0004065 | 25.33 | 0.0004065 | 26.72 |
0.29 | 0.06605 | 9.111 | 0.0004690 | 21.50 | 0.0004690 | 21.95 | 0.0004690 | 23.16 |
0.31 | 0.07548 | 9.739 | 0.0005359 | 18.81 | 0.0005359 | 19.21 | 0.0005359 | 20.27 |
0.35 | 0.09621 | 11.00 | 0.0006830 | 14.76 | 0.0006830 | 15.07 | 0.0006830 | 15.90 |
0.40 | 0.1257 | 12.57 | 0.0008922 | 11.30 | 0.0008922 | 11.54 | 0.0008922 | 12.18 |
0.45 | 0.1590 | 14.14 | 0.001129 | 8.928 | 0.001129 | 9.117 | 0.001129 | 9.620 |
0.50 | 0.1963 | 15.71 | 0.001394 | 7.232 | 0.001394 | 7.385 | 0.001394 | 7.792 |
0.60 | 0.2827 | 18.85 | 0.002007 | 5.022 | 0.002007 | 5.128 | 0.002007 | 5.411 |
0.70 | 0.3848 | 21.99 | 0.002732 | 3.690 | 0.002732 | 3.768 | 0.002732 | 3.976 |
0.80 | 0.5027 | 25.13 | 0.003569 | 2.825 | 0.003569 | 2.885 | 0.003569 | 3.044 |
0.90 | 0.6362 | 28.28 | 0.004517 | 2.232 | 0.004517 | 2.279 | 0.004517 | 2.405 |
1.00 | 0.7854 | 31.42 | 0.005576 | 1.808 | 0.005576 | 1.846 | 0.005576 | 1.948 |
1.20 | 1.131 | 37.70 | 0.008030 | 1.256 | 0.008030 | 1.282 | 0.008030 | 1.353 |
1.40 | 1.539 | 43.98 | 0.01093 | 0.9224 | 0.01093 | 0.9419 | 0.01093 | 0.9939 |
1.60 | 2.011 | 50.27 | 0.01428 | 0.7063 | 0.01428 | 0.7212 | 0.01428 | 0.7610 |
1.80 | 2.545 | 56.55 | 0.01807 | 0.5580 | 0.01807 | 0.5698 | 0.01807 | 0.6013 |
2.00 | 3.142 | 62.83 | 0.02231 | 0.4520 | 0.02231 | 0.4615 | 0.02231 | 0.4870 |
2.20 | 3.801 | 69.12 | 0.02699 | 0.3736 | 0.02699 | 0.3814 | 0.02699 | 0.4025 |
2.50 | 4.909 | 78.54 | 0.03485 | 0.2893 | 0.03485 | 0.2954 | 0.03485 | 0.3117 |
2.80 | 6.158 | 87.96 | 0.04372 | 0.2306 | 0.04372 | 0.2355 | 0.04372 | 0.2485 |
3.00 | 7.069 | 94.25 | 0.05019 | 0.2009 | 0.05019 | 0.2051 | 0.05019 | 0.2165 |
3.50 | 9.621 | 110.0 | 0.06831 | 0.1476 | 0.06831 | 0.1507 | 0.06831 | 0.1590 |
4.00 | 12.57 | 125.7 | 0.08922 | 0.1130 | 0.08922 | 0.1154 | 0.08922 | 0.1218 |
4.50 | 15.90 | 141.1 | 0.1129 | 0.08928 | 0.1129 | 0.09117 | 0.1129 | 0.09620 |
5.00 | 19.63 | 157.1 | 0.1394 | 0.07232 | 0.1394 | 0.07385 | 0.1394 | 0.07792 |
5.50 | 23.76 | 172.8 | 0.1687 | 0.05977 | 0.1687 | 0.06103 | 0.1687 | 0.06440 |
6.00 | 28.27 | 188.5 | 0.2007 | 0.05022 | 0.2007 | 0.05128 | 0.2007 | 0.05411 |
6.50 | 33.18 | 204.2 | 0.2356 | 0.04279 | 0.2356 | 0.04370 | 0.2356 | 0.04611 |
7.00 | 38.48 | 219.9 | 0.2732 | 0.03690 | 0.2732 | 0.03768 | 0.2732 | 0.03976 |
产品规格 | ||
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 |
交货状态
1、供货状态
线材和盘元以白亮或者氧化色软态供应。
带材除特殊要求外,一般以退火后的氧化色供应。
细丝和扁丝经保护气体退火后,以光亮软态供应。
2、产品包装
线材和带材以打包布包扎,成卷供应。
细丝和扁丝,绕轴塑封供应。
3、出口产品及用户有特殊要求者,协商解决。
注意事项
1、电炉丝在设计时应根据功率接线方法,合理的表面负荷,正确选用丝径;
2、电炉丝在安装前应对炉膛全面检查,清除铁素体,结碳,与电炉上接触的隐患,避免短路,以防造成炉丝击穿;
3、电炉丝在安装时应按设计的接线方法正确连接;
4、在使用电炉丝前应检查控温系统的灵敏度,以防温失灵,造成电炉丝烧毁。
常用炉条理论重量表(井式炉)材 质功 率(kw)线 径(mm)重 量(kg)备 注0Cr25Al5254.0140Cr25Al5304.518.50Cr25Al5364.515.50Cr25Al5365.022.50Cr25Al5554.5310Cr25Al5604.5370Cr25Al5754.06.014340Cr25Al5904.555+18.50Cr25Al51055.044箱式炉0Cr25Al541.50.8220V0Cr25Al561.81.2220V0Cr25Al581.81.8380V0Cr25Al5102.02.2380V0Cr25Al5122.22.6380V0Cr25Al5154.07.5380V0Cr25Al5205.014380V0Cr25Al5304.518.5380V0Cr25Al5455.527380V0Cr25Al5604.537380V0Cr25Al5755.044380V0Cr25Al51056.060380V |
电炉丝主要技术性能: |
牌号1Cr13A141Cr21A140Cr21A160Cr23A150Cr25A150Cr21A16Nb0Cr27A17Mo2性能主要化学成分%Cr12.0-15.017.0-21.019.0-22.020.0-23.523.0-26.021.0~23.026.5~27.8AI4.0~6.02.0~4.05.0~7.04.2~5.34.5~6.55.0~7.06.0~7.0Fe余量余量余量余量余量余量余量Re适量适量适量适量适量适量适量加入量Nb:0.5加入量Nb:0.5元件最高使用温度℃950110012501250125013501400熔点℃1450150015001500150015101520密度g/cm37.407.357.167.257.107.107.10电阻率μΩ·m,20℃1.25±0.081.23±0.061.42±0.071.35±0.061.42±0.071.45±0.071.53±0.07抗拉强度 Mpa588~735637~784637~784637~784637~784637~784686~784延伸率%≥16≥12≥12≥12≥12≥12≥10反复弯曲次数≥5≥5≥5≥5≥5≥5≥5快速寿命h/℃——≥80/1250≥80/1300≥80/1300≥80/1300≥80/1350≥80/1350比热J/g.℃0.4900.4900.5200.4600.4940.4940.494导热系数KJ/m.h℃52.746.963.260.246.146.145.2线胀系数a×10-6/℃(20~1000℃15.413.514.715.016.016.016.0硬度HB200~260200~260200~260200~260200~260200~260200~260显微组织铁素体铁素体铁素体铁素体铁素体铁素体铁素体磁性磁性磁性磁性磁性磁性磁性磁性 电炉丝设计参数: 线 径(mm)截面积(mm2)每米表面积cm2/m0Cr25A150Cr21A16Nb0Cr27A17Mo2每米重量kg/m每米电阻Ω/m,20℃每米重量kg/m每米电阻Ω/m,20℃每米重量kg/m每米电阻Ω/m,20℃0.100.0078543.1420.00005576180.80.00005576184.60.00005576194.80.120.011313.7700.00008030125.60.00008030128.20.00008030135.30.150.017674.7120.000125580.360.000125582.050.000125586.580.170.022705.3410.000161262.560.000161263.880.000161267.410.190.028355.9690.000201350.080.000201351.140.000201353.960.210.034646.5970.000245941.000.000245941.860.000245944.170.250.049097.8540.000348528.930.000348529.540.000348531.170.270.057268.4820.000406524.800.000406525.330.000406526.720.290.066059.1110.000469021.500.000469021.950.000469023.160.310.075489.7390.000535918.810.000535919.210.000535920.270.350.0962111.000.000683014.760.000683015.070.000683015.900.400.125712.570.000892211.300.000892211.540.000892212.180.450.159014.140.0011298.9280.0011299.1170.0011299.6200.500.196315.710.0013947.2320.0013947.3850.0013947.7920.600.282718.850.0020075.0220.0020075.1280.0020075.4110.700.384821.990.0027323.6900.0027323.7680.0027323.9760.800.502725.130.0035692.8250.0035692.8850.0035693.0440.900.636228.280.0045172.2320.0045172.2790.0045172.4051.000.785431.420.0055761.8080.0055761.8460.0055761.9481.201.13137.700.0080301.2560.0080301.2820.0080301.3531.401.53943.980.010930.92240.010930.94190.010930.99391.602.01150.270.014280.70630.014280.72120.014280.76101.802.54556.550.018070.55800.018070.56980.018070.60132.003.14262.830.022310.45200.022310.46150.022310.48702.203.80169.120.026990.37360.026990.38140.026990.40252.504.90978.540.034850.28930.034850.29540.034850.31172.806.15887.960.043720.23060.043720.23550.043720.24853.007.06994.250.050190.20090.050190.20510.050190.21653.509.621110.00.068310.14760.068310.15070.068310.15904.0012.57125.70.089220.11300.089220.11540.089220.12184.5015.90141.10.11290.089280.11290.091170.11290.096205.0019.63157.10.13940.072320.13940.073850.13940.077925.5023.76172.80.16870.059770.16870.061030.16870.064406.0028.27188.50.20070.050220.20070.051280.20070.054116.5033.18204.20.23560.042790.23560.043700.23560.046117.0038.48219.90.27320.036900.27320.037680.27320.03976 |
注意事项
1、电炉丝在设计时应根据功率接线方法,合理的表面负荷,正确选用丝径;
2、电炉丝在安装前应对炉膛全面检查,清除铁素体,结碳,与电炉上接触的隐患,避免短路,以防造成炉丝击穿;
3、电炉丝在安装时应按设计的接线方法正确连接;
4、在使用电炉丝前应检查控温系统的灵敏度,以防温失灵,造成电炉丝烧毁。