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 |
---|---|
- | - |