鈦金屬耐腐性質
CORROSION RESISTANCE
腐蝕媒 Corrosion Medium | 組成(%) Concentration | 溫度(℃) Temperature | 耐腐蝕性 Corrosion Resistance | ||
---|---|---|---|---|---|
Titanium | 18-8 Stainless steel | Hastelloy C | |||
Hydrochloric acid HCl 鹽酸 | 10 30 10 30 | 24 24 80 80 | ○ X X X | X X - - | ◎ ◎ ○ △ |
Sulfuric acid H2SO4 硫酸 | 10 50 10 50 | 24 24 100 100 | △ X X X | - X - - | ◎ ◎ ◎ ◎ |
Nitric acid HNO3 硝酸 | 10 50 10 50 | 24 24 100 100 | ◎ ◎ ◎ ◎ | ◎ ◎ ◎ ○ | ◎ - △ - |
Aqua regia 王水 | HC1.HNO3 3:1 | 24 100 | ◎ ○ | X - | △ - |
Chromic acid H2CrO4 鉻酸 | 5 | 24 | ◎ | - | ◎ |
Hydrogen fluoride 氟化氫 | 5 | 30 | X | X | △ |
Phosphoric acid H3PO4 磷酸 | 10(通氣) 50(通氣) 10(通氣) 50(通氣) | 24 24 100 100 | ○ △ X X | ◎ ◎ ◎ ○ | ◎ ◎ ◎ ◎ |
Ferric chloride FeCl3 氯化鐵 | 10 30 10 30 | 24 24 100 100 | ◎ ◎ ◎ ◎ | X X - - | ◎ ◎ X X |
Cupric Chloride CuCl2 氯化銅 | 10 30 10 30 | 24 24 100 100 | ○ ○ ○ ○ | X X - - | ○ ○ - - |
Thorium chloride KCl 氯化鉀 | 10 30 10 30 | 24 24 100 100 | ◎ ◎ ◎* ◎* | ○ ○ ○* ○* | ○ ○ ○ ○ |
Calcium chloride CaCl2 氯化鈣 | 10 50 10 50 | 24 24 100 100 | ◎ ◎ ◎* ◎* | ◎ ○ - X | ◎ ◎ ◎ ◎ |
Ammonium chloride NH4Cl 氯化銨 | 10 40 10 40 | 24 24 100 100 | ◎ ◎ ◎* ◎* | △ - - - | ◎ ◎ ◎ ◎ |
Magnesia chloride MgCl2 氯化鎂 | 10 40 10 40 | 24 24 100 100 | ◎ ◎ ◎* ◎* | △ ○ △* - | ◎ ◎ ◎ ◎ |
Ferrous sulfate FeSO4 硫酸鐵 | 10 50 10 50 | 24 24 100 100 | ◎ ◎ ◎ ◎ | ○ ○ ○ - | ○ ○ ○ ○ |
Ammonia N H3 銨 | 10 30 10 30 | 24 24 80 80 | ◎ ◎ ◎ ◎ | ◎ ◎ ○ ○ | ◎ ◎ ○ ◎ |
Caustic soda | 10 50 10 50 | 24 24 100 100 | ◎ ◎ ◎ ○ | ◎ ◎ ◎ ○ | ◎ - ◎ ◎ |
Hydrogen Sulfide N2S 硫化氫 | 乾GAS 濕GAS | 24 24 | ◎ ◎ | △ ○ | ◎ ○ |
Chlorine Cl2 氯 氣 | 乾GAS 濕GAS 乾GAS 濕GAS | 24 24 100 90 | X ◎ - ◎ | - - ◎ - | ◎ △ ○ △ |
Sulfur dioxide SO2 亞硫酸氣 | 乾GAS 濕GAS | 30 - 60 30 - 90 | ◎ ◎ | - - | - - |
Seawater 海 水 | 高速流 | 24 100 | ◎ ◎* | - - | - ◎ |
Acetic acid CH3 COOH 醋 酸 | 10 60 10 60 | 24 24 100 100 | ◎ ◎ ◎ ◎ | ◎ ◎ ◎ ○ | ◎ ◎ ◎ ◎ |
Formic acid HCOOH 蟻 酸 | 10 50 10 30 | 24 24 100 100 | ○ ○ X X | ○ ○ X X | ◎ ◎ ◎ ◎ |
Lactic acid CH3CH(OH)COOH 乳 酸 | 10 50 10 50 | 24 24 100 100 | ○ ○ ○ X | ○ ○ ○ X | ○ ◎ ○ ○ |
Oxalic acid (COOH)2 草 酸 | 10 20 50 10 50 | 24 52 24 100 100 | ○ - ○ - X | ○ - ○ - X | ○ ○ ○ ○ |
Citric acid C6H6O7 檸 檬 酸 | 10 50 10 50 | 24 24 100 100 | ○ ○ ○ X | ○ ○ ○ X | ◎ ◎ ◎ ◎ |