Industrial pure titanium is known for its excellent corrosion resistance in various environments, making it a popular material choice in different industries. Here is a summary of its corrosion resistance in various media:
1. Air and Water: Industrial pure titanium is extremely resistant to corrosion in both air and water, even when exposed to harsh environments.
2. Alkali Solutions: Industrial pure titanium retains its corrosion resistance in alkali solutions, such as sodium hydroxide and potassium hydroxide.
3. Organic Acids: Industrial pure titanium demonstrates good resistance to organic acids like acetic, formic, and tartaric acids.
4. Inorganic Acids: Industrial pure titanium has excellent resistance to corrosion in inorganic acids, such as hydrochloric, sulfuric, and nitric acids. However, it can be affected by hydrofluoric acid and gaseous hydrogen chloride.
5. Chlorides and Salts: Industrial pure titanium offers good resistance to chloride and salt solutions, making it suitable for use in marine environments.
6. Oxidizers: Industrial pure titanium has good resistance to oxidizing agents such as hydrogen peroxide and nitric acid. However, it can be corroded by hot concentrated nitric acid.
Overall, industrial pure titanium has excellent corrosion resistance and can be used in a wide range of environments, making it suitable for a variety of applications.
The corrosion resistance of industrial pure titanium in various media
| medium | Concentration (mass fraction number) (%) | Temperature/℃ | Corrosion rate /mm/a (year) | Corrosion resistance grade | |
| Inorganic acid | hydrochloric acid | 1 | Room temperature/boiling | 0.000/0.345 | Good/Good |
| 5 | Room temperature/boiling | 0.000/6.530 | Good/poor | ||
| 10 | Room temperature/boiling | 0.175/40.87 | Good/poor | ||
| 20 | Room temperature/1 | 1.340/- | Bad/one | ||
| 35 | Room temperature/1 | 6.660/- | Difference/- | ||
| sulfuric acid | 5 | Room temperature/boiling | 0.000/13.01 | Good/poor | |
| 10 | Room temperature/1 | 0.230/- | Good/one | ||
| 60 | Room temperature/1 | 0.277/- | Good/poor | ||
| 80 | Room temperature/1 | 32.660/- | Bad/one | ||
| 95 | Room temperature/1 | 1.400/1 | Bad/one | ||
| Nitric acid | 37 | Room temperature/boiling | 0.000/<0.127 | Good/good | |
| 64 | Room temperature/boiling | 0.000/<0.127 | Good/good | ||
| 95 | Room temperature/1 | 0.0025/- | Excellent/one | ||
| Phosphoric acid | 10 | Room temperature/boiling | 0.000/6.400 | Good/poor | |
| 30 | Room temperature/boiling | 0.000/17.600 | Good/poor | ||
| 50 | Room temperature/- | 0.097/- | excellent/- | ||
| Chromic acid | 20 | Room temperature/boiling | <0.127/<0.127 | Good/good | |
| Nitric acid + hydrochloric acid | 1:3 | Room temperature/boiling | 0.0040/0.127 | Good/good | |
| 3:1 | Room temperature/1 | K0.127/- | Excellent/one | ||
| Nitric acid + sulfuric acid | 7:3 | Room temperature/1 | <0.127/- | Excellent/one | |
| 4:6 | Room temperature/1 | <0.127/- | excellent/- | ||
| Organic acid | acetic acid | 100 | Room temperature/boiling | 0.000/0.000 | Good/good |
| formic acid | 50 | Room temperature/1 | 0.000/- | Excellent/one | |
| oxalic acid | 5 | Room temperature/boiling | 0.127/29.390 | Good/poor | |
| 10 | Room temperature/1 | 0.008/- | Excellent/one | ||
| Lactic acid | 10 | Room temperature/boiling | 0.000/0.033 | Good/good | |
| 25 | One/boiling | -/0.028 | One/Excellent | ||
| Formic acid | 10 | One/boiling | -/1.270 | One/good | |
| 25 | -/100 | -/2.440 | One/poor | ||
| 50 | -/100 | -/7.620 | One/poor | ||
| Dan Citrate | 25 | Room temperature/boiling | <0.127/<0.127 | Good/good | |
| Citric acid | 50 | Room temperature/boiling | <0.127/<0.127 | Good/good | |
| Stearic acid | 100 | Room temperature/boiling | <0.127/<0.127 | Good/good | |
| Alkaline solution | Sodium hydroxide | 10 | One/boiling | -/0.020 | One/Excellent |
| 20 | Room temperature/boiling | <0.127/<0.127 | Good/good | ||
| 50 | Room temperature/boiling | <0.0025/0.0508 | Good/good | ||
| 73 | One/boiling | -/0.127 | One/good | ||
| Potassium hydroxide | 10 | One/boiling | -/<0.127 | One/Excellent | |
| 25 | One/boiling | -/0.305 | One/good | ||
| 50 | 30／Boiling | 0.000/2.743 | Good/poor | ||
| Ammonium hydroxide | 28 | Room temperature/1 | 0.0025/- | excellent/- | |
| Sodium carbonate | 20 | Room temperature/boiling | <0.127/<0.127 | Good/Good | |
| Armonia | 20 | Room temperature/1 | 0.0708/- | Excellent/one | |
| Inorganic salt solution | Ferric chloride | 40 | Room temperature/95 | 0.000/0.002 | Good/Good |
| Ferrous chloride | 30 | Room temperature/boiling | 0.000/<0.127 | Good/Good | |
| Lead Chloride | 10 | <0.127/<0.127 | |||
| Cuprous chloride | 50 | <0.127/<0.127 | |||
| Ammonium Chloride | 10 | <0.127/<0.000 | |||
| Calcium chloride | 10 | <0.127/<0.000 | |||
| Aluminum Chloride | 25 | <0.127/<0.127 | |||
| Magnesium Chloride | 10 | <0.127/<0.127 | |||
| Nickel chloride | 5-10 | <0.127/<0.127 | |||
| Barium chloride | 20 | <0.127/<0.127 | |||
| Copper sulfate | 20 | <0.127/<0.127 | |||
| Ammonium Sulfate | 20℃ saturated | <0.127/<0.127 | |||
| Sodium sulfate | 50 | <0.127/<0.127 | |||
| Lead Sulfate | 20℃ saturated | <0.127/<0.127 | |||
| Cuprous sulfate | 10 | <0.127/<0.127 | |||
| 30 | <0.127/<0.127 | ||||
| Silver nitrate | 11 | Room temperature/1 | K0.127/- | excellent/- | |
| Organic compound | Benzene (with trace amounts of HC1, NaC1) | Vapor and liquid | 80 | 0.005 | excellent |
| Carbon tetrachloride | Same as above | boiling | 0.005 | ||
| Tetrachlorethylene (stable set) | 100% vapor and liquid | 0.0005 | |||
| body | |||||
| Perchloroethylene (H2O) | 0.0005 | ||||
| Trichloromethane | 0.003 | ||||
| Trichloromethane (H2O) | 0.127 | good | |||
| Trichloroethylene | 99% vapor and liquid | 0.00254 | excellent | ||
| Trichloroethylene (stable set) | 99 | 0.00254 | |||
| formaldehyde | 37 | 0.127 | good | ||
| Formaldehyde (containing 2.5% H₂SO₄.) | 50 | 0.305 | good | ||
