4150RS
4150 RS(Resulphurized) A medium carbon chromium-molybdenum alloy steel with modified chemistry for improved machinability and increased hardenability.
Chemistry
| Element |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
Mo |
| 4150RS |
0.47-0.55% |
0.95-1.30% |
0.025% max |
0.60-0.10% |
0.20-0.35% |
0.60-0.90% |
0.25% max |
0.15-0.25% |
Physical Constants
| Density | 0.284 lbs./in3 |
| Density | 7.85 g/cm3 |
Heating
| Forging | 1800-2200ºF |
| Annealing | 1650ºF furnace cool |
| Tempering | 400-1200ºF |
| Normalizing | 1650ºF air cool |
| Austenize | 1500ºF water 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 X 96" long | 2600 lbs. |
| Blocks | 14" X 14" X 14" | 750 lbs. |
| Shafts | 12" Dia. max X 96" long | 2600 lbs. |
