Muon radiative energy loss (in 1.0E06 cm^2/g) in iron (Fe) with Z = 26, A = 55.845(2) (f12.0,4f12.4) E (GeV) b_brem b_pair b_nucl b_total 2. 0.8313 0.3910 0.4113 1.6336 5. 1.1354 0.9789 0.4390 2.5533 10. 1.3823 1.4401 0.4292 3.2516 20. 1.6360 1.9097 0.4124 3.9581 50. 1.9716 2.5967 0.3936 4.9620 100. 2.2134 3.0639 0.3845 5.6619 200. 2.4379 3.4891 0.3801 6.3071 500. 2.6960 3.8916 0.3799 6.9675 1000. 2.8558 4.1108 0.3859 7.3525 2000. 2.9833 4.2716 0.3957 7.6507 5000. 3.1052 4.4078 0.4136 7.9266 10000. 3.1673 4.4716 0.4316 8.0705 20000. 3.2094 4.5131 0.4525 8.1750 50000. 3.2447 4.5448 0.4852 8.2746 100000. 3.2609 4.5580 0.5131 8.3320