softmagneticmaterials
DC Magnetization Curves of Soft Magnetic Materials
Reference: Figure 17, “Direct current magnetization curves for various magnetic materials,” p. 792, Metals Handbook, 8th edition, Volume 1, American Society for Metals, 1961.
A complete archive of BH curve points derived from scans of this figure are available as scannedcurves.zip
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Electrical Conductivity References
| Material | Conductivity, MS/m | Reference |
|---|---|---|
| Supermendur | 2.61 | Metals Handbook Desktop Edition |
| Vanadium Permendur | 2.61 | Metals Handbook Desktop Edition |
| Pure iron, annealed | 10.295 | Metals Handbook Desktop Edition |
| Ingot iron, annealed | 10.15 | Metals Handbook Desktop Edition |
| Hot rolled low-carbon steel | 8.41 | Metals Hdbk Desktop Ed, value for 1010 Steel |
| M-50 | 5.51 | Metals Handbook Desktop Edition |
| Cold rolled low carbon strip steel | 8.41 | Metals Hdbk Desktop Ed, value for 1010 Steel |
| Cold drawn carbon steel, annealed | 8.41 | Metals Hdbk Desktop Ed, value for 1010 Steel |
| M-43 and M-36 | 3.19 | Metals Handbook Desktop Edition |
| Steel castings, as cast | 6.206 | Value for “Steel, Cast” (10.7% IACS) at eddy-current.com/condres.htm (archived) |
| Carbon steel forgings, annealed | 8.41 | Metals Hdbk Desktop Ed, value for 1010 Steel |
| 3% Si strip, oriented | 2.03 | Metals Handbook Desktop Edition |
| M-27 | 2.53 | Metals Handbook, 8th ed., Vol. 1, ASM, 1961, p. 788, Table 2: middle of the 32-47 microhm-cm range for M-27 |
| M-22 | 2.03 | Metals Handbook Desktop Edition |
| M-19 | 2.03 | Metals Handbook Desktop Edition |
| M-14 | 1.74 | Metals Handbook Desktop Edition |
| Malleable iron castings, as cast | 3.23 | Metals Handbook, 8th ed., Vol. 1, ASM, 1961, “Malleable Iron,” p. 371, Table 6: ferritic malleable 28-34 microhm-cm at 70 F (middle, 31); pearlitic malleable 37-41 microhm-cm (2.4-2.7 MS/m) |
| 416 stainless steel, annealed | 1.74 | Metals Handbook Desktop Edition |
| Nodular cast iron | 1.9 | ASM Handbook, Vol. 1, “Ductile Iron”: 0.50-0.55 microhm-m at room temperature; also Ductile Iron Data for Design Engineers, Section 3 (archived) |
| Gray iron, as cast | 1.1 | W. D. Callister and D. G. Rethwisch, Materials Science and Engineering: An Introduction, 10th ed., Wiley, 2018, Table B.9, p. A-27: gray iron grades G3000 and G4000, 0.95 and 0.85 microhm-m (1.05 and 1.18 MS/m; grade G1800, 1.5 microhm-m) |
| Deltamax, oriented | 2.088 | Metals Hdbk Desktop Ed, value for grain oriented 50% Ni - 50% Fe |
| 4750 alloy | 2.088 | Metals Handbook Desktop Edition |
| Perminvar (45% Ni - 25% Co) | 5 | Standard Handbook for Electrical Engineers |
| Powdered iron, sintered and annealed | 6.5 | J. M. Montes et al., “Electrical Resistivity of Powdered Porous Compacts,” in Electrical and Electronic Properties of Materials, IntechOpen, 2018, doi:10.5772/intechopen.76159: sintered iron compacts, rho = rho0 (1 - porosity/0.678)-1.5 with rho0 = 11.77 microhm-cm; evaluated at an assumed 7.0 g/cm3 (porosity 0.11, 15.4 microhm-cm), the middle of the 6.2-7.8 g/cm3 range for P/M iron parts in the ASM Metals Handbook Desk Edition |
| Monimax, oriented | 1.25 | ASM Metals Handbook, Desk Edition, 1998, Table 4, “Electrical conductivity and resistivity of metals and alloys”: 80 microhm-cm (also R. M. Bozorth, Ferromagnetism, Van Nostrand, 1951, Appendix 4, Table 2) |
| Monimax, nonoriented | 1.25 | ASM Metals Handbook, Desk Edition, 1998, Table 4, “Electrical conductivity and resistivity of metals and alloys”: 80 microhm-cm (also R. M. Bozorth, Ferromagnetism, Van Nostrand, 1951, Appendix 4, Table 2) |
| 65 Permalloy, oriented | 5 | R. M. Bozorth, Ferromagnetism, Van Nostrand, 1951, Appendix 4, Table 2: 20 microhm-cm for 68 Permalloy |
| Sinimax | 1.16 | Metals Handbook Desktop Edition |
| 78 Permalloy | 6.25 | ASM Metals Handbook, Desk Edition, 1998, Table 4, “Electrical conductivity and resistivity of metals and alloys”: 16 microhm-cm for 78% Ni (also R. M. Bozorth, Ferromagnetism, Van Nostrand, 1951, Appendix 4, Table 2) |
| Moly-Permalloy | 1.74 | Metals Handbook Desktop Edition |
| Supermalloy | 1.54 | ASM Metals Handbook, Desk Edition, 1998, Table 4, “Electrical conductivity and resistivity of metals and alloys”: 65 microhm-cm |
| Mumetal | 1.74 | Metals Handbook Desktop Edition |
| Pure nickel, annealed | 13.34 | Metals Hdbk Desktop Ed, value for 99.8% Ni |
| Soft magnetic ferrite (Fe-Ni-Zn-V) | 0 | Assume that ferrites have a negligible electrical conductivity |
| 30% Ni-Fe temperature compensation alloy | 1.2 | R. M. Bozorth, Ferromagnetism, Van Nostrand, 1951, Fig. 5-6: about 83 microhm-cm for 30% Ni-Fe at room temperature |
| Monel, annealed | 1.96 | Special Metals, MONEL alloy 400 data sheet (archived), Table 3: 0.511 microhm-m, annealed |
softmagneticmaterials.txt · Last modified: by admin