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Electrical Conductivity & Resistivity for
Iron & Iron-Based Alloys

Material
Conductivity
Resistivity
Reference
Notes
(% IACS)
(Siemens/m)
(Ohm-m)
(See Below)
Iron          
Iron
18.00
1.044E+07
9.579E-08
ECTM  
Iron Ignot (99.9% Fe)
15.60
9.048E+06
1.105E-07
CSNDT  
Low-carbon white iron
3.25
5.300E-07
MHASM1 conductivity converted from resistivity
Martensitic nickel-chromium iron
2.16
8.000E-07
MHASM1 conductivity converted from resistivity
High-silicon iron
3.45
5.000E-07
MHASM1 conductivity converted from resistivity
High-nickel iron
1.0-1.2
1.4E-6--1.7E-6
MHASM1 conductivity converted from resistivity
Nickel-chromium-silicon iron
1.0-1.2
1.5E-6--1.7E-6
MHASM1 conductivity converted from resistivity
High-aluminum iron
0.72
2.400E-06
MHASM1 conductivity converted from resistivity
Medium-silicoon ductile iron
2.0-3.0
5.8E-7--8.7E-7
MHASM1 conductivity converted from resistivity
High-nickel ductile (20% Ni)
1.69
1.020E-06
MHASM1 conductivity converted from resistivity
 
 
 
 
   
Carbon and Low-Alloy Steel
   
1008 (Annealed)
11.81
1.460E-07
MHASM1 conductivity converted from resistivity
1010
12.06
1.430E-07
MHASM1 conductivity converted from resistivity
1015 (Annealed)
10.84
1.590E-07
MHASM1 conductivity converted from resistivity
1016 (Annealed)
10.78
1.600E-07
MHASM1 conductivity converted from resistivity
1018 (Annealed)
10.84
1.590E-07
MHASM1 conductivity converted from resistivity
1020
10.84
1.590E-07
MHASM1 conductivity converted from resistivity
1022 (Annealed)
10.84
1.590E-07
MHASM1 conductivity converted from resistivity
1025 (Annealed)
10.84
1.590E-07
MHASM1 conductivity converted from resistivity
1029 (Annealed)
10.78
1.600E-07
MHASM1 conductivity converted from resistivity
1030 (Annealed)
10.39
1.660E-07
MHASM1 conductivity converted from resistivity
1035 (Annealed)
10.58
1.630E-07
MHASM1 conductivity converted from resistivity
1040 (Annealed)
10.78
1.600E-07
MHASM1 conductivity converted from resistivity
1042 (Annealed)
10.08
1.710E-07
MHASM1 conductivity converted from resistivity
1043 (Annealed)
10.58
1.630E-07
MHASM1 conductivity converted from resistivity
1045 (Annealed)
10.64
1.620E-07
MHASM1 conductivity converted from resistivity
1046
10.58
1.630E-07
MHASM1 conductivity converted from resistivity
1050 (Annealed)
10.58
1.630E-07
MHASM1 conductivity converted from resistivity
1055
10.58
1.630E-07
MHASM1 conductivity converted from resistivity
1060
9.58
1.800E-07
MHASM1 conductivity converted from resistivity
1065
10.58
1.630E-07
MHASM1 conductivity converted from resistivity
1070
10.26
1.680E-07
MHASM1 conductivity converted from resistivity
1078 (Annealed)
9.58
1.800E-07
MHASM1 conductivity converted from resistivity
1080
9.58
1.800E-07
MHASM1 conductivity converted from resistivity
1095
9.58
1.800E-07
MHASM1 conductivity converted from resistivity
1137
10.14
1.700E-07
MHASM1 conductivity converted from resistivity
1141
10.14
1.700E-07
MHASM1 conductivity converted from resistivity
1151
10.14
1.700E-07
MHASM1 conductivity converted from resistivity
1524
8.29
2.080E-07
MHASM1 conductivity converted from resistivity
1524 (Annealed)
10.78
1.600E-07
MHASM1 conductivity converted from resistivity
1552
10.58
1.630E-07
MHASM1 conductivity converted from resistivity
4130 (Hardened and tempered)
7.73
2.230E-07
MHASM1 conductivity converted from resistivity
4140 (Hardened and tempered)
7.84
2.200E-07
MHASM1 conductivity converted from resistivity
4626 (Nomalized and tempered)
8.62
2.000E-07
MHASM1 conductivity converted from resistivity
4815
6.63
2.600E-07
MHASM1 conductivity converted from resistivity
5132
8.21
2.100E-07
MHASM1 conductivity converted from resistivity
5140 (Hardened and tempered)
7.56
2.280E-07
MHASM1 conductivity converted from resistivity
 
 
 
 
   
Wrought Stainless Steel (annealed)
   
201
2.50
6.900E-07
MHASM1 conductivity converted from resistivity
202
2.50
6.900E-07
MHASM1 conductivity converted from resistivity
301
2.39
7.200E-07
MHASM1 conductivity converted from resistivity
302
2.39
7.200E-07
MHASM1 conductivity converted from resistivity
302B
2.39
7.200E-07
MHASM1 conductivity converted from resistivity
303
2.39
7.200E-07
MHASM1 conductivity converted from resistivity
304
2.39
7.200E-07
MHASM1 conductivity converted from resistivity
302Cu
2.39
7.200E-07
MHASM1 conductivity converted from resistivity
304N
2.39
7.200E-07
MHASM1 conductivity converted from resistivity
304
2.50
1.450E+06
6.897E-07
ECTM  
304
2.50
1.450E+06
6.897E-07
CSNDT  
305
2.39
7.200E-07
MHASM1 conductivity converted from resistivity
308
2.39
7.200E-07
MHASM1 conductivity converted from resistivity
309
2.21
7.800E-07
MHASM1 conductivity converted from resistivity
310
2.21
7.800E-07
MHASM1 conductivity converted from resistivity
314
2.24
7.700E-07
MHASM1 conductivity converted from resistivity
316
2.33
7.400E-07
MHASM1 conductivity converted from resistivity
316N
2.33
7.400E-07
MHASM1 conductivity converted from resistivity
316
2.30
1.334E+06
7.496E-07
CSNDT  
317
2.33
7.400E-07
MHASM1 conductivity converted from resistivity
317L
2.18
7.900E-07
MHASM1 conductivity converted from resistivity
321
2.39
7.200E-07
MHASM1 conductivity converted from resistivity
329
2.30
7.500E-07
MHASM1 conductivity converted from resistivity
330
1.69
1.020E-06
MHASM1 conductivity converted from resistivity
347
2.36
7.300E-07
MHASM1 conductivity converted from resistivity
347
2.40
1.392E+06
7.184E-07
CSNDT  
384
2.18
7.900E-07
MHASM1 conductivity converted from resistivity
405
2.87
6.000E-07
MHASM1 conductivity converted from resistivity
410
3.02
5.700E-07
MHASM1 conductivity converted from resistivity
414
2.46
7.000E-07
MHASM1 conductivity converted from resistivity
416
3.02
5.700E-07
MHASM1 conductivity converted from resistivity
420
3.13
5.500E-07
MHASM1 conductivity converted from resistivity
429
2.92
5.900E-07
MHASM1 conductivity converted from resistivity
430
2.87
6.000E-07
MHASM1 conductivity converted from resistivity
430F
2.87
6.000E-07
MHASM1 conductivity converted from resistivity
431
2.39
7.200E-07
MHASM1 conductivity converted from resistivity
434
2.87
6.000E-07
MHASM1 conductivity converted from resistivity
436
2.87
6.000E-07
MHASM1 conductivity converted from resistivity
439
2.74
6.300E-07
MHASM1 conductivity converted from resistivity
440A
2.87
6.000E-07
MHASM1 conductivity converted from resistivity
440C
2.87
6.000E-07
MHASM1 conductivity converted from resistivity
444
2.78
6.200E-07
MHASM1 conductivity converted from resistivity
446
2.57
6.700E-07
MHASM1 conductivity converted from resistivity
PH 13-8 Mo
1.69
1.020E-06
MHASM1 conductivity converted from resistivity
15-5 PH
2.24
7.700E-07
MHASM1 conductivity converted from resistivity
17-4 PH
2.16
8.000E-07
MHASM1 conductivity converted from resistivity
17-7 PH
2.08
8.300E-07
MHASM1 conductivity converted from resistivity
 
 
 
 
   
Wrought and P/M Superalloys
   
Elgiloy
1.73
9.950E-07
MHASM1 conductivity converted from resistivity
Hastelloy "A"
1.40
8.120E+05
1.232E-06
CSNDT  
Hastelloy "B" & "C"
1.30
7.540E+05
1.326E-06
CSNDT  
Hastelloy "D"
1.50
8.700E+05
1.149E-06
CSNDT  
Hastelloy "X"
1.50
8.700E+05
1.149E-06
ECTM  
Hastelloy "X"
1.46
1.180E-06
MHASM1 conductivity converted from resistivity
Haynes 150
2.13
8.100E-07
MHASM1 conductivity converted from resistivity
Haynes 188
1.87
9.220E-07
MHASM1 conductivity converted from resistivity
Haynes 230
1.38
1.250E-06
MHASM1 conductivity converted from resistivity
Incoloy 800
1.74
9.890E-07
MHASM1 conductivity converted from resistivity
Incoloy 825
1.53
1.130E-06
MHASM1 conductivity converted from resistivity
Incoloy 903
2.83
6.100E-07
MHASM1 conductivity converted from resistivity
Incoloy 907
2.47
6.970E-07
MHASM1 conductivity converted from resistivity
Incoloy 909
2.37
7.280E-07
MHASM1 conductivity converted from resistivity
Inconel 600
1.70
9.860E+05
1.014E-06
ECTM  
Inconel 600
1.67
1.030E-06
MHASM1 conductivity converted from resistivity
Inconel 601
1.45
1.190E-06
MHASM1 conductivity converted from resistivity
Inconel 617
1.41
1.220E-06
MHASM1 conductivity converted from resistivity
Inconel 625
1.34
1.290E-06
MHASM1 conductivity converted from resistivity
Inconel 690
11.65
1.480E-07
MHASM1 conductivity converted from resistivity
Inconel 718
1.38
1.250E-06
MHASM1 conductivity converted from resistivity
Inconel X750
1.41
1.220E-06
MHASM1 conductivity converted from resistivity
L-605
1.94
8.900E-07
MHASM1 conductivity converted from resistivity
M-252
1.58
1.090E-06
MHASM1 conductivity converted from resistivity
MP35N
1.71
1.010E-06
MHASM1 conductivity converted from resistivity
Nimonic  263
1.50
1.150E-06
MHASM1 conductivity converted from resistivity
Nimonic 105
1.32
1.310E-06
MHASM1 conductivity converted from resistivity
Nimonic 115
1.24
1.390E-06
MHASM1 conductivity converted from resistivity
Nimonic 75
1.39
1.240E-06
MHASM1 conductivity converted from resistivity
Nimonic 80A
1.36
1.270E-06
MHASM1 conductivity converted from resistivity
Nimonic 90
1.46
1.180E-06
MHASM1 conductivity converted from resistivity
Nimonic PE.16
1.57
1.100E-06
MHASM1 conductivity converted from resistivity
Nimonic PK.33
1.37
1.260E-06
MHASM1 conductivity converted from resistivity
Rene 41
1.32
1.308E-06
MHASM1 conductivity converted from resistivity
Stellite 6B
1.89
9.100E-07
MHASM1 conductivity converted from resistivity
Udimet 500
1.43
1.203E-06
MHASM1 conductivity converted from resistivity
Waspaloy
1.39
1.240E-06
MHASM1 conductivity converted from resistivity

CSNDT=CSNDT compiled by Eddy Current Technology Incorporated
ECT=Eddy Current Technology Incorporated
ECTM=Eddy Current Testing Manual on Eddy Current Mehtod compiled by Eddy Current Technology Incorporated
MHASM1=ASM Metals Handbook--Volume 1, Tenth Edition

Compiled by the Collaboration for NDT Education, March 2002.