Test solution
Concentration
Temp. (°C)
Stainless Steels
Titanium
Type 410
Type 430
Type 304
Type 316
Nitric acid
5-20 40-60 50 Concentrate
20 20 Boiling Boiling
A B C E
A B B D
A A A D
A A A -
Sulfuric acid
5 5 50 50 Concentrate Concentrate
20 Boiling 20 Boiling 20 Boiling
- - - - - -
C E - E B D
B E - E A D
A C C D A D
A C B - C -
Chloric acid
5
20
E
A
Phosphoric acid
1-5 10 80
20 20 20
B D -
B C -
A A B
A A A
Oxalic acid Acetic acid
5-10 20-100
20-Boiling
20 20
B
A C
A B
A A
Formic acid Lactic acid
5 5
20-60
20 25
D
C D
C
B B
Butyric acid
20-65
Citric acid
Fluorine
-
Chlorine gas
Dry Moist
- -
B C
C A
Bromine liquid
Carbon disulfide
Carbon tetrachloride
Pure 5-10
- D
Carbolic acid
Tartaric acid
Oleic acid
Ammonia liquid
Calcium hydroxide
10-20
Boiling
Caustic soda
Full concentrate
Sodium carbonate
Sodium dicarbonate
Sodium thiosulfide
5-10
Ammonium sulfide
1-5
Sodium chloride
5-20
Zinc chloride
Zinc sulfide
5-saturation
Ferric chloride
1 5
- C
C C
A: Sufficiently corrosion – resistant = 0.1 mm or less / year B: Satisfactorily corrosion – resistant = 0.1-1 mm / year C: Fairly corrosion – resistant = 3-10 mm / year E: Not corrosion – resistant = 10 mm or more / year