Miner-Palmgren Equations
MIL-STD-810H, Environmental Engineering Considerations and Laboratory Tests
Last Updated 29 Oct 2026
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2 tables appear under this heading.
1. PDF page 467
| Excitation Type | m - (Default Value) (Steels) | m - (Default Value) (Aluminum Alloys) |
|---|
| Sinusoidal | 5.75 | 8.5 |
| Random | 7 | 9 |
2. PDF page 469
| ELASTIC ENDURANCE |
|---|
| LIMIT (Y) | LIMIT (EN) | ULTIMATE (U) | RATIO (U/Y) | RATIO (U/EN) |
|---|
| Steel, 0.4% C, h. rolled | 53 | 38 | 84 | 1.59 | 2.21 |
| Steel, stainless (18-8) annealed | 36 | 40 | 85 | 2.36 | 2.13 |
| Steel, stainless (18-8) cold rolled | 165 | 90 | 190 | 1.15 | 2.11 |
| Alum, cast, 195T-6 | 24 | 7 | 36 | 1.33 | 5.14 |
| Alum, wrought, 2014-T4 | 41 | 18 | 62 | 1.51 | 3.44 |
| Alum, wrought, 2024-T4 | 48 | 18 | 68 | 1.42 | 3.78 |
| Alum, wrought, 6061-T6 | 40 | 13.5 | 45 | 1.13 | 3.33 |
| Magnesium, extrusion, AZ80X | 35 | 19 | 49 | 1.40 | 2.58 |
| Magnesium, sand cast, AZ63-HT | 14 | 14 | 40 | 1.00 | 2.86 |
| Monel, wrought, hot rolled | 50 | 40 | 90 | 1.80 | 2.25 |
| Steel, 1040 | 60 | 43 | 90 | 1.50 | 2.09 |
| Steel, 1340 | 63 | 59 | 102 | 1.62 | 1.73 |
| Steel, 4130 | 63 | 47 | 97 | 1.54 | 2.06 |
| Steel, 4140 | 143 | 66 | 165 | 1.15 | 2.50 |
| Steel, 4340 | 200 | 68 | 222 | 1.11 | 3.27 |
| Steel, 5140 | 169 | 82 | 190 | 1.12 | 2.32 |
| Steel, HY140 | 142 | 70 | 149 | 1.05 | 2.13 |
| Steel, Marage 200 | 215 | 100 | 225 | 1.05 | 2.25 |
| Steel, Marage 350 | 345 | 110 | 352 | 1.02 | 3.20 |
| Alum, cast, 113 | 15 | 9 | 24 | 1.60 | 2.67 |
| Alum, cast, 335, T61 | 35 | 10 | 39 | 1.11 | 3.90 |
| Alum, cast, 224, T7 | 48 | 12 | 61 | 1.27 | 1.27 |
| Alum, cast, A249, T7 | 50 | 11 | 60 | 1.20 | 5.46 |
| Cast iron, malleable | 33 | 28 | 58 | 1.76 | 2.07 |
| Cast iron, ductile | 55 | 30.5 | 80 | 1.46 | 2.62 |
| Average U/Y = 1.37 | | | | | |
| Average U/EN = 2.78 | | | | | |
| Average U/Y + U/EN = 2.08 | | | | | |
| 2 | | | | | |