Open the selector — ranked for your condition
| Media & condition | Temperature band | Top three grades for that band |
|---|---|---|
| Nuclear SG tubing | ≤ 300 °C | N066902.464296N066002.481688N088001.487686 |
| 300 – 350 °C | N066902.464293N066002.481684N088101.495884 | |
| HT boiler & superheater | 450 – 600 °C | N066172.466393N0774092N0720889 |
| 600 – 700 °C | N0774092N066172.466391N062302.473386 | |
| Molten salt systems | 290 – 565 °C | N1000396N062302.473385N066172.466382 |
| 565 – 750 °C | N1000390N062302.473383N066172.466380 | |
| Gas-turbine hot section | 800 – 950 °C | N062302.473391N0720888R301882.468388 |
| 950 – 1150 °C | N062302.473391R301882.468386N060022.466584 | |
| HT fasteners & springs | 400 – 650 °C | S662861.498092N077182.466890N077502.466988 |
| > 650 °C | N0774088N0970686N070802.495285 | |
| Condensers & cooling water | ≤ 50 °C | B30CW354H92TA103.710590B10CW352H88 |
| 50 – 90 °C | TA103.710590B30CW354H87TA23.703586 | |
| FGD & DeNOx internals | FGD ≤ 80 °C | N102762.481994N060222.460292N066252.485690 |
| SCR 320 – 400 °C | N102762.481988N066252.485688N060222.460286 | |
| Nuclear fuel cladding & grids | ≤ 350 °C | R6070294R6070590N066902.464282 |
| 350 – 400 °C | R6070590R6070280N066902.464279 | |
| Generator H₂ cooling & seals | ≤ 60 °C | N044002.436088N055002.437586B30CW354H84 |
| 60 – 120 °C | N044002.436085N055002.437583TA23.703580 |
Scores are relative suitability ratings used to narrow the shortlist; final selection must be confirmed against actual concentrations, partial pressures, velocity and code requirements.
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