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 |