本公司生產的高電阻電熱合金產品純潔度，低雜質電阻率穩定，（量度系數）表面抗氧化性好，共有較高的高溫強度和良好的加工性能及可焊性，鋼種品種規格齊全。廣泛用于冶金工業爐業，家用電器，機械制造等行業做發熱元件和電阻材料。鎳鉻合金扁帶主要技術性能：牌號Cr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30性能主要化學成分%Ni余量余量55.0～61.034.0～37.030.0～34.0Cr20.0～23.028.0～31.015.0～18.0
18.0～21.018.0～21.0Fe≤1.0
≤1.0
余量余量余量元件最高使用溫度℃
12001250115011001100熔點℃
14001380139013901390密度g/cm3
8.408.108.207.907.90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導熱系數KJ/m.h℃
60.345.245.243.843.8線脹系數a×10-6/℃（20～1000℃）
18.017.017.019.019.0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計參數:（厚×寬）（mm）截面積
(mm2)0Cr25A150Cr21A14Cr20Ni80電阻率1.42±0.06μΩ·m電阻率1.23±0.06μΩ·m電阻率1.091.14±0.05μΩ·m20℃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
4.900.290028.740.034790.251027.760.036020.22224.300.041160.8×10
7.840.181117.940.055660.156917.350.057620.13915.180.065861.0×10
9.800.144914.370.069580.125513.880.072030.11512.150.082321.2×10
11.760.120711.980.083500.104611.570.086440.096110.120.098781.5×10
14.700.09669.580.104370.08379.260.108050.07698.100.12352.0×10
19.600.07247.190.139200.06286.940.144060.05776.080.16460.8×1511.760.120711.980.083500.104611.570.086440.092710.120.098781.0×15
14.700.09669.580.104370.08379.260.108050.07698.100.12351.2×15
17.640.08057.980.125240.06977.710.12970.06416.750.14821.5×15
22.050.06446.390.156560.05586.170.162070.05125.400.18522.0×15
29.400.04834.790.208740.04184.630.216090.03844.050.24702.5×15
36.750.03863.830.260930.03353.700.270110.03073.240.30870.8×20
15.680.09068.980.111330.07848.680.115250.06957.590.13171.0×20
19.600.07247.190.139160.06286.940.144060.05776.070.16461.2×20
23.520.06045.990.166990.05235.780.172870.04805.060.19761.5×20
29.400.04834.790.208740.04184.630.216090.03844.050.24702.0×20
39.200.03623.590.278320.03143.470.288120.02883.040.32932.5×20
49.000.02902.870.347900.02512.780.360150.02312.430.41163.0×25
58.800.02412.400.417480.02092.310.432180.01922.020.49361.0×25
24.500.05805.750.173950.05025.550.180080.04614.860.20581.2×2529.400.04834.790.208740.04184.630.216090.03844.050.24701.5×25
36.750.03863.830.260930.03353.700.270110.03073.240.30872.0×25
49.000.02902.870.347900.02512.780.360150.02312.430.41162.5×25
61.250.02322.300.434880.02012.220.450190.01841.940.51453.0×25
73.500.01931.920.521850.01671.850.540230.01541.620.61741.0×30
29.400.04834.790.208740.04184.630.216090.03844.050.24701.2×30
35.280.04023.990.250490.03493.680.259310.03203.370.29641.5×30
44.100.03223.190.313110.02793.090.324140.02562.700.37042.0×30
58.800.02412.400.417480.02092.310.432180.01922.020.49392.5×30
73.500.01931.920.521850.01671.850.540230.01541.620.61743.0×30
88.200.01611.600.626220.1391.540.648270.01281.350.74093.5×30
102.90.01381.370.730590.01201.320.756320.01111.160.86441.0×35
34.300.04144.110.243530.03593.970.252110.03293.470.28811.2×35
41.160.03453.420.292440.02993.310.302530.02752.890.34571.5×35
51.450.02762.740.365300.02392.640.378160.02202.310.43222.0×35
68.600.02072.050.487060.01791.980.504210.01651.740.57622.5×35
85.750.01661.640.608830.01431.590.630260.01321.390.72033.0×35
102.90.01381.370.730590.01201.320.756320.01101.160.86443.5×35
120.10.01181.170.852710.01021.130.882740.00950.991.00881.0×40
39.200.03623.590.278320.03143.470.288120.02883.040.32931.2×40
47.040.03022.990.333980.02612.890.345740.02402.530.39511.5×40
58.800.02412.400.417480.02092.310.432180.01922.020.49392.0×40
78.400.01811.800.556640.01571.740.576240.01441.520.65862.5×40
98.000.01451.440.695800.01261.390.720300.01151.210.82323.0×40
117.60.01211.200.834960.01051.160.864360.00961.010.98783.5×40
137.20.01031.030.974120.00900.991.008420.00830.871.15254.0×40156.80.00910.8981.113280.00780.871.152480.00730.761.1371產品規格
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冷軋合金帶材寬度5.0-45.0mm熱軋合金帶材厚度3.0-6.0mm熱軋合金帶材寬度12.0-45.0mm繞軸光亮細絲直徑φ0.1-φ1.0mm繞軸光亮扁絲厚度0.08-1.50mm繞軸光亮扁絲寬度0.5-5.0mm
交貨狀態
1、供貨狀態
線材和盤元以白亮或者氧化色軟態供應。
帶材除特殊要求外，一般以退火后的氧化色供應。
細絲和扁絲經保護氣體退火后，以光亮軟態供應。
2、產品包裝
線材和帶材以打包布包扎，成卷供應。
細絲和扁絲，繞軸塑封供應。
3、出口產品及用戶有特殊要求者，協商解決。 

注意事項
1、電爐絲在設計時應根據功率接線方法，合理的表面負荷，正確選用絲徑；
2、電爐絲在安裝前應對爐膛全面檢查，清除鐵素體，結碳，與電爐上接觸的隱患，避免短路，以防造成爐絲擊穿；
3、電爐絲在安裝時應按設計的接線方法正確連接；
4、在使用電爐絲前應檢查控溫系統的靈敏度，以防溫失靈，造成電爐絲燒毀