Corrosion Rates: cu_ni_90_10
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 | resistance rating | stress corrosion risk | temperature C (C) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| cu_ni_90_10 | h2so4_10pct_25c | 10 | 1.5 | 59.1 | high | Sulfuric acid 10% at 25°C | Cu-Ni 90/10 (UNS C70600) | Not recommended for acid service; Cu-Ni alloys attack in acids | poor | low | 25 |
| cu_ni_90_10 | naoh_10pct_25c | 10 | 0.05 | 2 | low | Sodium hydroxide 10% at 25°C | Cu-Ni 90/10 (UNS C70600) | Acceptable NaOH resistance at ambient temperature | good | low | 25 |
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