422ESR
(UNS S42200) An Electro-Slag Remelt (ESR) chromium martensitic stainless steel. Has good high temperature properties up to 1200ºF and creep-rupture properties in the range of 600-1200ºF. Is hardenable by heat treating.
Chemistry
| Element |
C |
Mn |
Si |
Cr |
Ni |
Mo |
| 422ESR |
0.23% |
0.75% |
0.35% |
11.50% |
0.80% |
1.00% |
Physical Constants
| Density | 0.280 lbs/in3 |
| Density | 7.75 g/cm3 |
Heating
| Forging | 1950-2025ºF finish above 1550ºF |
| Annealing | 1600ºF slow cool |
| Tempering | 980-1200ºF for 2 hrs |
| Austenize | 1900ºF then oil 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. |
