FeCrCo Magnets Grade Br HcB HcJ (BH)max Tc. Tw. aBr [mT] [GS] [KA/m] [Oe] [KA/m] [Oe] [KJ/m3] [MGOe] C C [%/C] FeCrCo A >= 10500 >= 600 3.0 -4.0 678 400 -0.0129 FeCrCo B >= 12,000 >= 650 4.0 - 5.0 658 400 -0.0129 FeCrCo C 3,000 - 14,500 50 - 550 0.8 - 6.0 671 400 -0.0129