Corrosion Rates: super_duplex_2507
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 | concentration pct (%) | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| super_duplex_2507 | h2so4_10pct_25c | 10 | 0.2 | 7.9 | low | Sulfuric acid 10% at 25°C | Super Duplex 2507 (UNS S32750) | Improved H2SO4 resistance vs 2205 due to higher Mo+Cr+N content | 43 | good | low | 25 |
| super_duplex_2507 | hcl_5pct_25c | 5 | 0.8 | 31.5 | moderate | Hydrochloric acid 5% at 25°C | Super Duplex 2507 (UNS S32750) | Better than 2205 in HCl but still limited; consider Hastelloy C-276 for aggressive HCl | 43 | fair | low | 25 |
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