鈦金屬-耐蝕性質表

腐蝕煤
 Corrosion Medium

組成(%)
Concentra
-tion

溫度(ºC)   Tempera-
ture

耐蝕性 
Corrosion Resistance
Titanium 18-8 stainless steel Hastelloy C
鹽酸
 Hydrochloric acid		 10 24 ○ X ◎
30 24 X X ◎
10 80 X – ○
30 80 X – △
硫酸 
 Sulfuric acid		 10 24 △ – ◎
50 24 X X ◎
10 100 X – ◎
50 100 X – ◎
硝酸 
  Nitric acid		 10 24 ◎ ◎ ◎
50 24 ◎ ◎ –
10 100 ◎ ◎ △
50 100 ◎ ○ –
王水
  Aqua regia		 HCI•HNO³ 24 ◎ X △
  3 : 1 100 ○ – –
鉻酸
   Chromic acid		 5 24 ◎ – ◎
氟化氫 Hydrogen fluoride 5 30 X X △
磷酸
Phosphoric
acid		 10 (aeration) 24 ○ ◎ ◎
50 (aeration) 24 △ ◎ ◎
10 
通氣		 100 X ◎ ◎
10 
通氣		 100 X ○ ◎
氯化鐵
Ferric
chloride		 10 24 ◎ X ◎
30 24 ◎ X ◎
10 100 ◎ – X
30 100 ◎ – X
氯化銅
Cupric
chloride		 10 24 ○ X ○
30 24 ○ X ○
10 100 ○ – –
30 100 ○ – –
氯化鉀 Thorium chloride 10 24 ◎ ○ ○
40 24 ◎ ○ ○
10 100   ◎*   ○* ○
40 100   ◎*   ○* ○
氯化鈣 Calcium chloride 10 24 ◎ ◎ ◎
50 24 ◎ ○ ◎
10 100   ◎* – ◎
50 100   ◎* X ◎
氯化銨 Ammonium chloride 10 24 ◎ △ ◎
40 24 ◎ – ◎
10 100   ◎* – ◎
40 100   ◎* – ◎
氯化鎂 Magnesia chloride 10 24 ◎ △ ◎
40 24 ◎ ○ ◎
10 100   ◎*   △* ◎
40 100   ◎* – ◎
　 　 　 　 　 　

腐蝕煤
 Corrosion Medium

組成(%)
Concentra
-tion

溫度(ºC)   Tempera-
ture

耐蝕性
   Corrosion Resistance
Titanium 18-8 stainless steel Hastelloy C
硫酸鐵
  Ferrous
sulfate		 10 24 ◎ ○ ○
50 24 ◎ ○ ○
10 100 ◎ ○ ○
50 100 ◎ – ○
銨
Ammonia		 10 24 ◎ ◎ ◎
30 24 ◎ ◎ ◎
10 80 ◎ ○ ○
30 80 ◎ ○ ◎
Caustic
soda		 10 24 ◎ ◎ ◎
50 24 ◎ ◎ –
10 100 ◎ ◎ ◎
50 100 ○ ○ ◎
Carbonic
soda		 10 24 ◎ ◎ ◎
30 24 – – –
10 100 ◎ ◎ ◎
30 100 ◎ ◎ ◎
硫化氫 Hydrogen sulfide 乾 gas 24 ◎ △ ◎
濕 gas 24 ◎ ○ ○
氯氣
Chlorine		  乾 gas  24 X – ◎
濕 gas 24 ◎ – △
  乾gas  100 – ◎ ○
濕 gas 90 ◎ – △
亞硫酸氣
Sulfur
dioxide		  乾 gas  30~60 ◎ – –
濕 gas 30~90 ◎ – –
海水 Seawater 高速流 Rapid flow stagnant water 24 ◎ – –
100   ◎* – ◎
醋酸
Acetic 
acid		 10 24 ◎ ◎ ◎
60 24 ◎ ◎ ◎
10 100 ◎ ◎ ◎
60 100 ◎ ○ ◎
蟻酸
Formic acid		 10 24 ○ ○ ◎
50 24 ○ ○ ◎
10 100 ○ X ◎
30 100 X X ◎
乳酸
Lactic 
acid		 10 24 ◎ ○ ○
50 24 ◎ ○ ◎
10 100 ◎ ○ ○
50 100 ◎ X ○
草酸
Oxalic 
acid		 10 24 ○ ○ ○
20 52 X – ○
50 24 – ○ ○
10 100 – – ○
50 100 – X ○
檸檬酸
Citric
acid		 10 24 ◎ ○ ◎
50 24 ◎ ○ ◎
10 100 ◎ ○ ◎
50 100 X X ◎

*局部性針孔腐蝕 ( There are some cases in which pitting and other
  localized corrosion may be caused )

記號說明 
◎ ：〈 0.051
○ ：〈 0.508
△ ： 0.508~1.27
X ： 〉1.27 (unit: mm/year)
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