Pipe & Tube for power generation
<Manufacturing process>
<Line up>
| Classification | Grade | Chemical Composition | Exmple standard (ASTM/ASME) |
Characteristics |
| Carbon steel | Conventional | 0.15-0.25C | A53-Gr.A, B A106-Gr.A, B A178-Gr.A, C A210-Gr.A-1 |
Basic grade |
| S-TEN™1 | 0.3Cu-0.1Sb | A423 Gr.3 ASME CC2494 |
Sulfuric and hydrochloric acid dew point corrosion resistance | |
| Conventional | 0.25-0.35C | A106-Gr.C A210^Gr.C |
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| Low alloy | Conventional | 0.3-0.5Mo | T1, T1a, P1 | |
| Conventional | 0.5Cr-0.5Mo -V |
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| Conventional | 0.5Cr-0.5Mo | T2, P2 | ||
| Conventional | 1Cr-0.5Mo | T12, P12 | ||
| Conventional | 2.25Cr-1Mo | T22, P22 | ||
| HCM2S™ | 2,25Cr-1.6W -V-Nb |
T23, P23 (ASME CC2199) | High strength 2.25Cr ferritic steel | |
| High chrome | Conventional | 9Cr-1Mo | T9, P9 | |
| Conventional | 9Cr-1Mo -V-Nb |
T91, P91 | ||
| Conventional | 9Cr-1.8W-V-Nb | T92, P92 (ASME CC2179) | ||
| Conventional | 12Cr-1Mo -0.3V |
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| Austenitic Stainless |
304/304H | 18Cr-8Ni | S30400, S30409 | General puropose steel for numerous applications |
| 321/321H | 18Cr-8Ni-Ti | S32100, S32109 | High-temperature strength | |
| 347/347H | 18Cr-9Ni-Nb | S34700, S34709 | High-temperature strength | |
| 347HFG | 18Cr-11Ni -0.6Nb |
S34710 |
- Steam oxidation resistance |
|
| SUPER304H™ | 18Cr-9Ni -3Cu-Nb-N |
S30432 |
- Superior steam oxidation resistance - Widely used for USC power plant |
|
| 310S | 25Cr-20Ni | S31008 | Oxidation resistance | |
| HR3C | 25Cr-20Ni -Nb-N |
S31042 | High strength 25Cr austenitic stainless stee tubes | |
| Duplex stainless | DP3N | 25Cr-7Ni -2.7Mo-N -W |
S31260 | Sulfuric & hydrochloric acid and water dew point corrosion resistance |
| High Ni, Ni-based alloy | 800H | 20Cr-30Ni-Ti -High C |
N08800 | High corrosion resistance at elevated temerature |
| HR11N | 29Cr-42Ni -1Mo-N |
N06811 |
- High corrosion resistance at elevated tempereture |
|
| HR6W | 23Cr-45Ni -7W-Ti-Nb |
N06674 | High corrosion resistance, Ni-based alloy | |
| 617 | 22Cr-12Co-9Mo-Ni base | N06617 |
- High corrosion resistance |
|
| 625 | 22Cr-9Mo -Ni base |
N06625 | - High corrosion resistance, Ni-based alloy - Heat exchanger tubes of waste energy plant and black liquor recovery boilers |
|
| 690 | 29Cr-9Fe -Ni base |
N06690 | - Steam generator tube for PWR nuclear power plant |