Titanium Corrosion Resistance Data

Media Concentration (wt%) Temperature (°C) Corrosion Rate (mm/year) Corrosion Resistance Rating
Hydrochloric Acid (HCl) 10 Room Temp / Boiling 0.000 / 0.345 Excellent / Good
20 Room Temp / Boiling 0.000 / 6.530 Excellent / Poor
35 Room Temp / Boiling 0.175 / 40.87 Good / Poor
60 Room Temp / 1.340 / Poor /
80 Room Temp / 6.660 / Poor
Sulfuric Acid (H2SO4) 67 Room Temp / Boiling 0.000 / 13.01 Excellent / Poor
95 Room Temp / 0.230 / Good /
Nitric Acid (HNO3) 0 Room Temp / Boiling 0.277 / Good / Poor
30 Room Temp / 32.660 Poor
50 Room Temp / 1.400 / Poor /
Phosphoric Acid (H3PO4) 3 Room Temp / Boiling 0.000 / < 0.127 Excellent / Excellent
1:3 (diluted) Room Temp / Boiling 0.000 / < 0.127 Excellent / Excellent
Chromic Acid (H2CrO4) 3:1 (diluted) Room Temp / 0.0025 / Excellent /
Nitric + Hydrochloric Acid 7:03 Room Temp / Boiling 0.000 / 6.400 Excellent / Poor
4:06 Room Temp / Boiling 0.000 / 17.600 Excellent / Poor
Nitric + Sulfuric Acid Room Temp / 0.097 / Excellent /
Room Temp / Boiling < 0.127 / < 0.127 Excellent / Excellent
Room Temp / Boiling 0.0040 / 0.127 Excellent / Excellent
Room Temp / < 0.127 / Excellent /
Room Temp / < 0.1260 Excellent /
Formic Acid (HCOOH) 100 Room Temp / Boiling 0.000 / 0.000 Excellent / Excellent
50 Room Temp / 0.000 / Excellent /
Oxalic Acid (H2C2O4) 10 Room Temp / Boiling 0.127 / 29.390 Good / Poor
1 Room Temp / 0.008 / Excellent /
Lactic Acid (CH3CHOHCOOH) 75 Room Temp / Boiling 0.000 / 0.033 Excellent / Excellent
25 Room Temp / / 0.028 / Good
Tartaric Acid (C4H6O6) 50 Room Temp / Boiling / 1.270 / Poor
100 Room Temp / 12.44 Poor
Citric Acid (C6H8O7) 10 Room Temp / Boiling -17.62 Poor
Stearic Acid (C18H36O2) /100 < 0.127 / < 0.127 Excellent / Excellent
Sodium Hydroxide (NaOH) 10 / 100 < 0.127 / < 0.127 Excellent / Excellent
Media Concentration (wt%) Temperature (°C) Corrosion Rate (mm/year) Corrosion Resistance Rating
Sodium Hydroxide (NaOH) 20 Room Temp / Boiling < 0.127 / < 0.127 Excellent / Excellent
Potassium Hydroxide (KOH) 10 Room Temp / Boiling / 0.020 / Excellent
20 Room Temp / Boiling < 0.127 / < 0.127 Excellent / Excellent
Tannic Acid (C19H22O12) 5 Room Temp / Boiling < 0.0025 / 0.0508 Excellent / Excellent
1 Room Temp / / 0.127 / Good
Acetic Acid (CH3COOH) / Boiling < 0.127 Excellent /
Room Temp / / 0.305 / Good
Ammonium Hydroxide (NH4OH) 20 Room Temp / 0.000 / 2.743 Excellent / Poor
20 Room Temp / Boiling 0.0025 / Excellent /
Sodium Carbonate (Na2CO3) 10 Room Temp / Boiling < 0.127 / 0.127 Excellent / Excellent
Ferric Chloride (FeCl3) 30 Room Temp / 95 0.000 / 0.002 Excellent / Excellent
Ferrous Sulfate (FeSO4) 10 Room Temp / Boiling 0.000 / < 0.127 Excellent / Excellent
Lead Chloride (PbCl2) 50 Room Temp / Boiling < 0.127 / < 0.127 Excellent / Excellent
Zinc Chloride (ZnCl2) 10 Room Temp / Boiling < 0.127 / < 0.127 Excellent / Excellent
Ammonium Chloride (NH4Cl) 25 Room Temp / Boiling < 0.127 / < 0.000 Excellent / Excellent
Calcium Chloride (CaCl2) 10 Room Temp / Boiling < 0.127 / < 0.000 Excellent / Excellent
Aluminum Chloride (AlCl3) 5-10 Room Temp / Boiling < 0.127 / 0.127 Excellent / Excellent
Magnesium Chloride (MgCl2) 20 Room Temp / Boiling < 0.127 / < 0.127 Excellent / Excellent
Nickel Chloride (NiCl2) 20 Room Temp / Boiling < 0.127 / < 0.127 Excellent / Excellent
Barium Chloride (BaCl2) Saturated at 20°C Room Temp / < 0.127 / < 0.127 Excellent / Excellent
Copper Sulfate (CuSO4) 50 Room Temp / < 0.127 / < 0.127 Excellent / Excellent
Zinc Sulfate (ZnSO4) Saturated at 20°C Room Temp / < 0.127 / < 0.127 Excellent / Excellent
Sodium Sulfate (Na2SO4) 10 Room Temp / Boiling < 0.127 / 20.127 Excellent / Excellent
Lead Sulfate (PbSO4) 60 Room Temp / Boiling 20.127 / 20.127 Good / Good
Zinc Sulfate (ZnSO4) 10 Room Temp / Boiling < 0.127 / < 0.127 Excellent / Excellent
Silver Nitrate (AgNO3) Room Temp / < 0.127 / < 0.127 Excellent / Excellent
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