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  • 三明镍铬炉条

三明镍铬炉条

产品编号:镍铬炉条

产品名称:镍铬合金

规  格:元丝Φ0.03㎜--Φ10㎜、扁带厚度0.04--8㎜×宽度2--300㎜、棒材Φ10㎜—Φ200㎜

产品备注:定制产品合同另外说明

产品类别:电热丝


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镍铬微丝镍铬、镍铬铁电阻电热合金具有较高的电阻率,表面抗氧化性好,并且在高温下有较高的强度,有良好的加工性能及可焊性,可广泛用于治金、家用电器、机械制造业等做发热元件和电器行业做电阻材料。

规  格:元丝Φ0.03㎜--Φ10㎜、扁带厚度0.04--8㎜×宽度2--300㎜、棒材Φ10㎜—Φ200㎜

本厂生产的电炉丝加工前均经过软态处理,具有较好的塑性和韧性,可以直接加工成螺旋型、波纹型、Z字型、立绕带型;本厂加工的电炉丝采用无芯绕制成型,最大限度的防止了三明电热丝表面的擦伤,具有成型标准、螺距均匀、表面保护好不损伤等特点。
 

主要性能:



Cr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30
主要
化学
成份
Ni余量余量55.0~61.034.0~37.030.0~34.0
Cr20.0~23.028.0~31.015.0~18.018.0~21.018.0~21.0
Fe≤1.0≤1.0余量余量余量
元件最高使用温度
12001250115011001100
熔点
℃≈
14001380139013901390
密度 
g/cm3
8.408.108.207.907.90
电阻率 
μΩ.m,20℃
1.09
±0.05
1.18
±0.05
1.12
±0.05
1.04
±0.05
1.06
±0.05
延伸率
%
≥20≥20≥20≥20≥20
比热
J/g.℃
0.4400.4610.4940.5000.500
导热系数 KJ/m.h.℃60.345.245.243.843.8
线胀系数
α×10-6/℃ 
(20~1000℃)
18.017.017.019.019.0
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弱磁性弱磁性


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。