類型：	鐵鉻鋁電熱合金	材質(zhì)：	鐵鉻鋁合金
常溫電阻：	1.78（Ω）	功率：	1000（W）
主要用途：	加熱	產(chǎn)品認(rèn)證：	3C
最高耐溫：	1250（℃）	規(guī)格∮：	1（mm）

 鐵鉻鉻高電阻電熱合金具有電阻率高、電阻溫度系數(shù)小、使用溫度高的特點(diǎn)。在高溫下耐腐蝕性好，尤其適合在含有硫和硫化物氣氛中使用，且價(jià)格低廉，是工業(yè)電爐、家用電器、遠(yuǎn)紅外裝置中理想的發(fā)熱材料。 鐵鉻鋁電熱合金絲主要技術(shù)性能：牌號(hào)1Cr13AL41Cr21AL40Cr21AL60Cr23AL50Cr25AL50Cr21AL6Nb0Cr27AL7Mo2性能       主要化學(xué)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適量適量適量適量適量適量適量      加入量Nb:0.5加入量Nb:0.5元件最高使用溫度℃950110012501250125013501400熔點(diǎn)℃1450150015001500150015101520密度g/cm37.407.357.167.257.107.107.10電阻率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抗拉強(qiáng)度 Mpa588～735637～784637～784637～784637～784637～784686～784延伸率%≥16≥12≥12≥12≥12≥12≥10反復(fù)彎曲次數(shù)≥5≥5≥5≥5≥5≥5≥5快速壽命h/℃——≥80/1250≥80/1300≥80/1300≥80/1300≥80/1350≥80/1350比熱J/g.℃0.4900.4900.5200.4600.4940.4940.494導(dǎo)熱系數(shù)KJ/m.h℃52.746.963.260.246.146.145.2線脹系數(shù)a×10-6/℃（20～1000℃15.413.514.715.016.016.016.0硬度HB200～260200～260200～260200～260200～260200～260200～260顯微組織鐵素體鐵素體鐵素體鐵素體鐵素體鐵素體鐵素體磁性磁性磁性磁性磁性磁性磁性磁性鐵鉻鋁電熱合金絲主要設(shè)計(jì)參數(shù):線 徑(mm)截面積(mm2)每米表面積cm2/m0Cr25AL50Cr21AL6Nb0Cr27AL7Mo2每米重量kg/m每米電阻Ω/m,20℃每米重量kg/m每米電阻Ω/m,20℃每米重量kg/m每米電阻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產(chǎn)品規(guī)格冷拉合金線材直徑φ1.0-φ10.0mm熱軋合金盤元直徑φ8.0-φ12.0mm冷軋合金帶材厚度0.5-3.5mm 寬度5.0-45.0mm熱軋合金帶材厚度3.0-6.0mm 寬度12.0-45.0mm繞軸光亮細(xì)絲直徑φ0.1-φ1.0mm繞軸光亮扁絲厚度0.08-1.50mm 寬度0.5-5.0mm交貨狀態(tài)1、供貨狀態(tài)線材和盤元以白亮或者氧化色軟態(tài)供應(yīng)。帶材除特殊要求外，一般以退火后的氧化色供應(yīng)。細(xì)絲和扁絲經(jīng)保護(hù)氣體退火后，以光亮軟態(tài)供應(yīng)。2、產(chǎn)品包裝線材和帶材以打包布包扎，成卷供應(yīng)。細(xì)絲和扁絲，繞軸塑封供應(yīng)。3、出口產(chǎn)品及用戶有特殊要求者，協(xié)商解決。注意事項(xiàng)1、電爐絲在設(shè)計(jì)時(shí)應(yīng)根據(jù)功率接線方法，合理的表面負(fù)荷，正確選用絲徑；2、電爐絲在安裝前應(yīng)對(duì)爐膛全面檢查，清除鐵素體，結(jié)碳，與電爐上接觸的隱患，避免短路，以防造成爐絲擊穿；3、電爐絲在安裝時(shí)應(yīng)按設(shè)計(jì)的接線方法正確連接；4、在使用電爐絲前應(yīng)檢查控溫系統(tǒng)的靈敏度，以防溫失靈，造成電爐絲燒毀。