产 品 说 明铁铬铝高电阻电热合金具有电阻率高、电阻温度系数小、使用温度高的特点。在高温下耐腐蚀性好，尤其适合在含有硫和硫化物气氛中使用，且价格低廉，是工业电炉、家用电器、远红外装置中理想的发热材料。
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
0cr25al5
25
4.0
14
0cr25al5
30
4.5
18.5
0cr25al5
36
4.5
15.5
0cr25al5
36
5.0
22.5
0cr25al5
55
4.5
31
0cr25al5
60
4.5
37
0cr25al5
75
4.0
6.0
14
34
0cr25al5
90
4.5
55+18.5
0cr25al5
105
5.0
44
箱式炉
0cr25al5
4
1.5
0.8
220v
0cr25al5
6
1.8
1.2
220v
0cr25al5
8
1.8
1.8
380v
0cr25al5
10
2.0
2.2
380v
0cr25al5
12
2.2
2.6
380v
0cr25al5
15
4.0
7.5
380v
0cr25al5
20
5.0
14
380v
0cr25al5
30
4.5
18.5
380v
0cr25al5
45
5.5
27
380v
0cr25al5
60
4.5
37
380v
0cr25al5
75
5.0
44
380v
0cr25al5
105
6.0
60
380v
电炉丝主要技术性能：（点击查看详细参数）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mo:0.5元件Zui高使用温度℃80090010001000100011001200熔点℃001520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：（点击查看详细参数）
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..80.00005576.80.120.01.60.00008030128.20.00008030.7120.000125580.360.000125582.050.000125586.580..000.880.000161267.410..00020..960.210.034646.5970.000245941.000.000245941.860.000245944..8540.000348528.930.000348529.540.000348531..4820.000406524.800.000406525.330.000406526.720.290.066059.1110.000469021.500.000469021.950.000469023..7390.000535918.810.000535919.210.000535920.270.350.0962111.000.000683014.760.000683015.070.000683015.900.400.125712.570.000892211.300.000892211.540.000892212...9280.0011299.1.6200.500..2320.00.7920.600.282718.850.0020075.0220.0020075.1280.0020075.4110.700.384821.990.0027323.6900.0027323.7680.0027323.9760.800.502725..8250.0035692.8850.0035693.0440.900.636228.280.0045.2790.0045172.4051.000.785431.420.0055761.8080.0055761.8460.0055761.9481.201..2560.0080301.2820.0080301.3531.401.53943.980.010930.92240.010930.94.602.01.70630.0.76101.802.54556.550.0.56980.0.003..45200.022310.46.203.80.37360.026990.38.504.90978.540.034850.28930.034850.29540.034850.31.960.043720.23060.043720.23550.043720.24853.007.06994.250.050.20510.050190.2.00.068310..068310..70.089220.1.089220.12.10.11290.089280.11290.091.0019.63.072320..077925.5023.76.059770..064406.0028.27.050220.20070.051280.20070.054116.5033..042790.23560.043700.23560.046117.0038.48219.90.27320.036900.27320.037680.27320.03976
此宝贝按kg计算，价格有浮动，江浙沪以外运费，拍前跟掌柜联系
注：定制产品不可退货!!!
