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电热合金扁带


本公司生产的电热合金扁带产品纯洁度,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。
电热合金扁带主要技术性能:
牌号Cr20Ni80Cr30Ni70Cr15Ni60Cr20Ni35Cr20Ni30
性能
主要化学成分%Ni余量余量55.0~61.034.0~37.030.0~34.0
Cr20.0~23.028.0~31.015.0~18.0
18.0~21.018.0~21.0
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
1.11±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℃
60.345.245.243.843.8
线胀系数a×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非磁性非磁性
镍铬合金扁带设计参数:
(厚×宽)(mm)截面积
(mm2)
0Cr25A150Cr21A14Cr20Ni80
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
4.900.290028.740.034790.251027.760.036020.22224.300.04116
0.8×10
7.840.181117.940.055660.156917.350.057620.13915.180.06586
1.0×10
9.800.144914.370.069580.125513.880.072030.11512.150.08232
1.2×10
11.760.120711.980.083500.104611.570.086440.096110.120.09878
1.5×10
14.700.09669.580.104370.08379.260.108050.07698.100.1235
2.0×10
19.600.07247.190.139200.06286.940.144060.05776.080.1646
0.8×1511.760.120711.980.083500.104611.570.086440.092710.120.09878
1.0×15
14.700.09669.580.104370.08379.260.108050.07698.100.1235
1.2×15
17.640.08057.980.125240.06977.710.12970.06416.750.1482
1.5×15
22.050.06446.390.156560.05586.170.162070.05125.400.1852
2.0×15
29.400.04834.790.208740.04184.630.216090.03844.050.2470
2.5×15
36.750.03863.830.260930.03353.700.270110.03073.240.3087
0.8×20
15.680.09068.980.111330.07848.680.115250.06957.590.1317
1.0×20
19.600.07247.190.139160.06286.940.144060.05776.070.1646
1.2×20
23.520.06045.990.166990.05235.780.172870.04805.060.1976
1.5×20
29.400.04834.790.208740.04184.630.216090.03844.050.2470
2.0×20
39.200.03623.590.278320.03143.470.288120.02883.040.3293
2.5×20
49.000.02902.870.347900.02512.780.360150.02312.430.4116
3.0×25
58.800.02412.400.417480.02092.310.432180.01922.020.4936
1.0×25
24.500.05805.750.173950.05025.550.180080.04614.860.2058
1.2×2529.400.04834.790.208740.04184.630.216090.03844.050.2470
1.5×25
36.750.03863.830.260930.03353.700.270110.03073.240.3087
2.0×25
49.000.02902.870.347900.02512.780.360150.02312.430.4116
2.5×25
61.250.02322.300.434880.02012.220.450190.01841.940.5145
3.0×25
73.500.01931.920.521850.01671.850.540230.01541.620.6174
1.0×30
29.400.04834.790.208740.04184.630.216090.03844.050.2470
1.2×30
35.280.04023.990.250490.03493.680.259310.03203.370.2964
1.5×30
44.100.03223.190.313110.02793.090.324140.02562.700.3704
2.0×30
58.800.02412.400.417480.02092.310.432180.01922.020.4939
2.5×30
73.500.01931.920.521850.01671.850.540230.01541.620.6174
3.0×30
88.200.01611.600.626220.1391.540.648270.01281.350.7409
3.5×30
102.90.01381.370.730590.01201.320.756320.01111.160.8644
1.0×35
34.300.04144.110.243530.03593.970.252110.03293.470.2881
1.2×35
41.160.03453.420.292440.02993.310.302530.02752.890.3457
1.5×35
51.450.02762.740.365300.02392.640.378160.02202.310.4322
2.0×35
68.600.02072.050.487060.01791.980.504210.01651.740.5762
2.5×35
85.750.01661.640.608830.01431.590.630260.01321.390.7203
3.0×35
102.90.01381.370.730590.01201.320.756320.01101.160.8644
3.5×35
120.10.01181.170.852710.01021.130.882740.00950.991.0088
1.0×40
39.200.03623.590.278320.03143.470.288120.02883.040.3293
1.2×40
47.040.03022.990.333980.02612.890.345740.02402.530.3951
1.5×40
58.800.02412.400.417480.02092.310.432180.01922.020.4939
2.0×40
78.400.01811.800.556640.01571.740.576240.01441.520.6586
2.5×40
98.000.01451.440.695800.01261.390.720300.01151.210.8232
3.0×40
117.60.01211.200.834960.01051.160.864360.00961.010.9878
3.5×40
137.20.01031.030.974120.00900.991.008420.00830.871.1525
4.0×40156.80.00910.8981.113280.00780.871.152480.00730.761.1371
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
冷轧合金带材
宽度
5.0-45.0mm
热轧合金带材
厚度
3.0-6.0mm
热轧合金带材
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
绕轴光亮扁丝
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
 
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