SECORP designation (UNS NO.)
Modification of SE-G with improved weldability and corrosion resistance.
Downhole tubulars for deep corrosive wells. Flue gas desulfurization. Evaporators, heat exchangers. Pulp mill bleaching equipment.
| Cr | Ni | Fe | Mo | Cu | C | Others |
|---|---|---|---|---|---|---|
| 22.1 | Bal | 19.5 | 70 | 1.9 | 0.01 | Cb-2.0 Co-2.0 W-0.50 |
| METALLURGICAL CONDITION | TENSILE STRENGTH Ksi (MPa) | YIELD STRENGTH 2% OFFSET Ksi (MPa) | ELONGATION (%) | HARDNESS |
|---|---|---|---|---|
| ANNEALED | 100 (690) | 40 (275) | 60 | 80 RB |
| COLD WORKED | 130 (825) | 120 (825) | 20 | 26 RC |
H2SO4
| HIC |
H3PO4 |
HNO3 |
ORGANIC ACIDS |
ALKALINES |
SEA WATER |
CHLORIDE CRACKING |
|
|---|---|---|---|---|---|---|---|
| G | G | G | G | G | G | G | G |
| SHEET/STRIP ASTM AMS | BARS ASTM AMS |
|---|---|
| B582 | B581 |