SECORP designation (UNS NO.)
A precipitation-hardenable nickel alloy exhibiting resistance to hot sulfidation attack and to other corrosive environments.
Diesel exhaust valves. Hardware for deep corrosive gas and oil wells.
| Cr | Ni | Fe | Mo | Cu | C | Others |
|---|---|---|---|---|---|---|
| 22.7 | Bal | 14.4 | 2.0 | - | 0.04 | Ti-2.5 Al-1.5 Cb-1.1 |
| METALLURGICAL CONDITION | TENSILE STRENGTH Ksi (MPa) | YIELD STRENGTH 2% OFFSET Ksi (MPa) | ELONGATION (%) | HARDNESS |
|---|---|---|---|---|
| SOL. TRT. AGED | 70 (480) | 25 (170) | 45 | 100 RB |
H2SO4
| HIC |
H3PO4 |
HNO3 |
ORGANIC ACIDS |
ALKALINES |
SEA WATER |
CHLORIDE CRACKING |
|
|---|---|---|---|---|---|---|---|
| A | NR | A | A | G | G | A | G |
| SHEET/STRIP ASTM AMS | BARS ASTM AMS |
|---|---|
| - | - |