D6AC
(UNS K24728) D6AC is a medium carbon low alloy steel with very high strength. D6AC ultimate tensile strength can be as high as approximately 280,00 psi. D6AC has a high yield to tensile strength ratio and good ductility. See Viking's material page for our forging capabilities with D6AC steel
Chemistry
| Element |
C |
Mn |
Si |
Cr |
Ni |
Mo |
| D6AC |
0.46% |
0.75% |
0.25% |
1.10% |
0.60% |
1.00% |
Physical Constants
| Density | 0.284 lbs/in3 |
| Density | 7.87 g/cm3 |
Heating
| Forging | 2000-2250ºF |
| Annealing | 1500-1550ºF furnace cool |
| Tempering | 300-1200ºF depends on desired hardness |
| Austenize | 1550-1650ºF oil or salt quench |
Viking Forging Parameters
| Rings | 24" O.D. X 6" long | 500 lbs. |
| Sleeves | 16" O.D. X 12" long | 500 lbs. |
| Disks | 26" Dia. X 6.5" long | 500 lbs. |
| Round Bar | 12" Dia. X 96" long | 2600 lbs. |
| Square/Rectangular Bar | 12" Square max. X 96" long | 2600 lbs. |
| Blocks | 14" X 14" X 14" | 750 lbs. |
| Shafts | 12" Dia. max X 96" long | 2600 lbs. |
