Austempered Ductile Iron (ADI)
| Meehanite Austempered Ductile Iron (ADI) | ||||
| Iron Type | Tensile | Yield | Elongation % | Brinell Hardness |
| K-295 | 130,000 PSI | 98,000 PSI | 8-12% | 280-310 |
| K-325 | 145,000 PSI | 112,000 PSI | 5-8% | 300-350 |
| K-405 | 175,000 PSI | 140,000 PSI | 2-5% | 380-430 |
| ASTM Austempered Ductile Iron (ADI) | ||||
| Iron Type | Tensile | Yield | Elongation % | Brinell Hardness |
| 125-80-10 | 125,000 | 80,000 | 10 | 269-321 |
| 150-100-7 | 150,000 | 100,000 | 7 | 302-363 |
| 175-125-4 | 175,000 | 125,000 | 4 | 341-444 |
| 200-155-1 | 200,000 | 155,000 | 1 | 388-477 |
| 230-185-__ | 230,000 | 185,000 | — | 444-555 |