Corrosion Rates: inconel_625
Quantitative corrosion rate data for metals in various environments — corrosion rate in mm/yr and mpy, pitting potential, crevice and stress corrosion risk ratings, and PREN values
| metal id | environment id | corrosion rate mm yr (mm/yr) | corrosion rate mpy (mpy) | crevice corrosion risk | environment description | metal name | notes | pren | resistance rating | stress corrosion risk | temperature C (C) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| inconel_625 | atmosphere_marine | 0.0001 | 0.004 | low | Marine atmosphere | Inconel 625 (UNS N06625) | Outstanding atmospheric resistance; used for marine hardware and sheathing | 51 | excellent | low | 25 |
| inconel_625 | co2_wet | 0.005 | 0.2 | low | Wet CO2 / carbonic acid | Inconel 625 (UNS N06625) | Negligible CO2 corrosion; used in subsea umbilicals and wellhead equipment | 51 | excellent | low | 25 |
| inconel_625 | h2s_wet | 0.02 | 0.8 | low | Wet H2S sour service | Inconel 625 (UNS N06625) | Excellent sour service resistance; qualified per NACE MR0175 | 51 | excellent | low | 25 |
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