Electrical Conductivity and Resistivity for Iron and IronBased Alloys
Material 
Conductivity 
Resistivity 
Reference 
Notes 

(% IACS)  (Siemens/m)  (Ohmm)  (See Below)  
Iron 

Iron  18.00  1.044E+07  9.579E08  ECTM  
Iron Ignot (99.9% Fe)  15.60  9.048E+06  1.105E07  CSNDT  
Lowcarbon white iron  3.25  5.300E07  MHASM1  conductivity converted from resistivity  
Martensitic nickelchromium iron  2.16  8.000E07  MHASM1  conductivity converted from resistivity  
Highsilicon iron  3.45  5.000E07  MHASM1  conductivity converted from resistivity  
Highnickel iron  1.01.2  1.4E61.7E6  MHASM1  conductivity converted from resistivity  
Nickelchromiumsilicon iron  1.01.2  1.5E61.7E6  MHASM1  conductivity converted from resistivity  
Highaluminum iron  0.72  2.400E06  MHASM1  conductivity converted from resistivity  
Mediumsilicon ductile iron  2.03.0  5.8E78.7E7  MHASM1  conductivity converted from resistivity  
Highnickel ductile (20% Ni)  1.69  1.020E06  MHASM1  conductivity converted from resistivity  
Carbon and LowAlloy Steel  
1008 (Annealed)  11.81  1.460E07  MHASM1  conductivity converted from resistivity  
1010  12.06  1.430E07  MHASM1  conductivity converted from resistivity  
1015 (Annealed)  10.84  1.590E07  MHASM1  conductivity converted from resistivity  
1016 (Annealed)  10.78  1.600E07  MHASM1  conductivity converted from resistivity  
1018 (Annealed)  10.84  1.590E07  MHASM1  conductivity converted from resistivity  
1020  10.84  1.590E07  MHASM1  conductivity converted from resistivity  
1022 (Annealed)  10.84  1.590E07  MHASM1  conductivity converted from resistivity  
1025 (Annealed)  10.84  1.590E07  MHASM1  conductivity converted from resistivity  
1029 (Annealed)  10.78  1.600E07  MHASM1  conductivity converted from resistivity  
1030 (Annealed)  10.39  1.660E07  MHASM1  conductivity converted from resistivity  
1035 (Annealed)  10.58  1.630E07  MHASM1  conductivity converted from resistivity  
1040 (Annealed)  10.78  1.600E07  MHASM1  conductivity converted from resistivity  
1042 (Annealed)  10.08  1.710E07  MHASM1  conductivity converted from resistivity  
1043 (Annealed)  10.58  1.630E07  MHASM1  conductivity converted from resistivity  
1045 (Annealed)  10.64  1.620E07  MHASM1  conductivity converted from resistivity  
1046  10.58  1.630E07  MHASM1  conductivity converted from resistivity  
1050 (Annealed)  10.58  1.630E07  MHASM1  conductivity converted from resistivity  
1055  10.58  1.630E07  MHASM1  conductivity converted from resistivity  
1060  9.58  1.800E07  MHASM1  conductivity converted from resistivity  
1065  10.58  1.630E07  MHASM1  conductivity converted from resistivity  
1070  10.26  1.680E07  MHASM1  conductivity converted from resistivity  
1078 (Annealed)  9.58  1.800E07  MHASM1  conductivity converted from resistivity  
1080  9.58  1.800E07  MHASM1  conductivity converted from resistivity  
1095  9.58  1.800E07  MHASM1  conductivity converted from resistivity  
1137  10.14  1.700E07  MHASM1  conductivity converted from resistivity  
1141  10.14  1.700E07  MHASM1  conductivity converted from resistivity  
1151  10.14  1.700E07  MHASM1  conductivity converted from resistivity  
1524  8.29  2.080E07  MHASM1  conductivity converted from resistivity  
1524 (Annealed)  10.78  1.600E07  MHASM1  conductivity converted from resistivity  
1552  10.58  1.630E07  MHASM1  conductivity converted from resistivity  
4130 (Hardened and tempered)  7.73  2.230E07  MHASM1  conductivity converted from resistivity  
4140 (Hardened and tempered)  7.84  2.200E07  MHASM1  conductivity converted from resistivity  
4626 (Normalized and tempered)  8.62  2.000E07  MHASM1  conductivity converted from resistivity  
4815  6.63  2.600E07  MHASM1  conductivity converted from resistivity  
5132  8.21  2.100E07  MHASM1  conductivity converted from resistivity  
5140 (Hardened and tempered)  7.56  2.280E07  MHASM1  conductivity converted from resistivity  
Wrought Stainless Steel (annealed) 

201  2.50  6.900E07  MHASM1  conductivity converted from resistivity  
202  2.50  6.900E07  MHASM1  conductivity converted from resistivity  
301  2.39  7.200E07  MHASM1  conductivity converted from resistivity  
302  2.39  7.200E07  MHASM1  conductivity converted from resistivity  
302B  2.39  7.200E07  MHASM1  conductivity converted from resistivity  
303  2.39  7.200E07  MHASM1  conductivity converted from resistivity  
304  2.39  7.200E07  MHASM1  conductivity converted from resistivity  
302Cu  2.39  7.200E07  MHASM1  conductivity converted from resistivity  
304N  2.39  7.200E07  MHASM1  conductivity converted from resistivity  
304  2.50  1.450E+06  6.897E07  ECTM  
304  2.50  1.450E+06  6.897E07  CSNDT  
305  2.39  7.200E07  MHASM1  conductivity converted from resistivity  
308  2.39  7.200E07  MHASM1  conductivity converted from resistivity  
309  2.21  7.800E07  MHASM1  conductivity converted from resistivity  
310  2.21  7.800E07  MHASM1  conductivity converted from resistivity  
314  2.24  7.700E07  MHASM1  conductivity converted from resistivity  
316  2.33  7.400E07  MHASM1  conductivity converted from resistivity  
316N  2.33  7.400E07  MHASM1  conductivity converted from resistivity  
316  2.30  1.334E+06  7.496E07  CSNDT  
317  2.33  7.400E07  MHASM1  conductivity converted from resistivity  
317L  2.18  7.900E07  MHASM1  conductivity converted from resistivity  
321  2.39  7.200E07  MHASM1  conductivity converted from resistivity  
329  2.30  7.500E07  MHASM1  conductivity converted from resistivity  
330  1.69  1.020E06  MHASM1  conductivity converted from resistivity  
347  2.36  7.300E07  MHASM1  conductivity converted from resistivity  
347  2.40  1.392E+06  7.184E07  CSNDT  
384  2.18  7.900E07  MHASM1  conductivity converted from resistivity  
405  2.87  6.000E07  MHASM1  conductivity converted from resistivity  
410  3.02  5.700E07  MHASM1  conductivity converted from resistivity  
414  2.46  7.000E07  MHASM1  conductivity converted from resistivity  
416  3.02  5.700E07  MHASM1  conductivity converted from resistivity  
420  3.13  5.500E07  MHASM1  conductivity converted from resistivity  
429  2.92  5.900E07  MHASM1  conductivity converted from resistivity  
430  2.87  6.000E07  MHASM1  conductivity converted from resistivity  
430F  2.87  6.000E07  MHASM1  conductivity converted from resistivity  
431  2.39  7.200E07  MHASM1  conductivity converted from resistivity  
434  2.87  6.000E07  MHASM1  conductivity converted from resistivity  
436  2.87  6.000E07  MHASM1  conductivity converted from resistivity  
439  2.74  6.300E07  MHASM1  conductivity converted from resistivity  
440A  2.87  6.000E07  MHASM1  conductivity converted from resistivity  
440C  2.87  6.000E07  MHASM1  conductivity converted from resistivity  
444  2.78  6.200E07  MHASM1  conductivity converted from resistivity  
446  2.57  6.700E07  MHASM1  conductivity converted from resistivity  
PH 138 Mo  1.69  1.020E06  MHASM1  conductivity converted from resistivity  
155 PH  2.24  7.700E07  MHASM1  conductivity converted from resistivity  
174 PH  2.16  8.000E07  MHASM1  conductivity converted from resistivity  
177 PH  2.08  8.300E07  MHASM1  conductivity converted from resistivity  
Wrought and P/M Superalloys 

Elgiloy  1.73  9.950E07  MHASM1  conductivity converted from resistivity  
Hastelloy "A"  1.40  8.120E+05  1.232E06  CSNDT  
Hastelloy "B" & "C"  1.30  7.540E+05  1.326E06  CSNDT  
Hastelloy "D"  1.50  8.700E+05  1.149E06  CSNDT  
Hastelloy "X"  1.50  8.700E+05  1.149E06  ECTM  
Hastelloy "X"  1.46  1.180E06  MHASM1  conductivity converted from resistivity  
Haynes 150  2.13  8.100E07  MHASM1  conductivity converted from resistivity  
Haynes 188  1.87  9.220E07  MHASM1  conductivity converted from resistivity  
Haynes 230  1.38  1.250E06  MHASM1  conductivity converted from resistivity  
Incoloy 800  1.74  9.890E07  MHASM1  conductivity converted from resistivity  
Incoloy 825  1.53  1.130E06  MHASM1  conductivity converted from resistivity  
Incoloy 903  2.83  6.100E07  MHASM1  conductivity converted from resistivity  
Incoloy 907  2.47  6.970E07  MHASM1  conductivity converted from resistivity  
Incoloy 909  2.37  7.280E07  MHASM1  conductivity converted from resistivity  
Inconel 600  1.70  9.860E+05  1.014E06  ECTM  
Inconel 600  1.67  1.030E06  MHASM1  conductivity converted from resistivity  
Inconel 601  1.45  1.190E06  MHASM1  conductivity converted from resistivity  
Inconel 617  1.41  1.220E06  MHASM1  conductivity converted from resistivity  
Inconel 625  1.34  1.290E06  MHASM1  conductivity converted from resistivity  
Inconel 690  11.65  1.480E07  MHASM1  conductivity converted from resistivity  
Inconel 718  1.38  1.250E06  MHASM1  conductivity converted from resistivity  
Inconel X750  1.41  1.220E06  MHASM1  conductivity converted from resistivity  
L605  1.94  8.900E07  MHASM1  conductivity converted from resistivity  
M252  1.58  1.090E06  MHASM1  conductivity converted from resistivity  
MP35N  1.71  1.010E06  MHASM1  conductivity converted from resistivity  
Nimonic 263  1.50  1.150E06  MHASM1  conductivity converted from resistivity  
Nimonic 105  1.32  1.310E06  MHASM1  conductivity converted from resistivity  
Nimonic 115  1.24  1.390E06  MHASM1  conductivity converted from resistivity  
Nimonic 75  1.39  1.240E06  MHASM1  conductivity converted from resistivity  
Nimonic 80A  1.36  1.270E06  MHASM1  conductivity converted from resistivity  
Nimonic 90  1.46  1.180E06  MHASM1  conductivity converted from resistivity  
Nimonic PE.16  1.57  1.100E06  MHASM1  conductivity converted from resistivity  
Nimonic PK.33  1.37  1.260E06  MHASM1  conductivity converted from resistivity  
Rene 41  1.32  1.308E06  MHASM1  conductivity converted from resistivity  
Stellite 6B  1.89  9.100E07  MHASM1  conductivity converted from resistivity  
Udimet 500  1.43  1.203E06  MHASM1  conductivity converted from resistivity  
Waspaloy  1.39  1.240E06  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 Method compiled by Eddy Current Technology Incorporated
 MHASM1=ASM Metals HandbookVolume 1, Tenth Edition
Compiled by the Collaboration for NDT Education, March 2002.