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产品展示 / products 您的位置:网站首页 > 产品展示 > 电热丝 > 合金扁带 > 双华Cr20Ni80镍铬合金电热扁带

双华Cr20Ni80镍铬合金电热扁带

简要描述:Cr20Ni80镍铬扁带注意事项
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。

  • 产品型号:
  • 厂商性质:生产厂家
  • 更新时间:2017-09-25
  • 访  问  量:2368
详情介绍

Cr20Ni80镍铬电热扁带概述

本公司生产的高电阻电热合金产品纯洁度,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。
Cr20Ni80镍铬电热扁带性能

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zui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
0.8×1511.760.120711.980.083500.104611.570.086440.092710.12

0.09878

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
 

58.80

0.02412.400.417480.02092.310.432180.01922.020.4939
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



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