Anti-corrosion Table of Stainless Steel

Chemical density	%	Temp (°C)	Corrosion rate
Chemical density	%	Temp (°C)	SUS304	SUS316L
Ammonia	10	24	A	A
	30	24	A	A
	10	80	B	B
	30	80	B	B
Caustic soda	10	24	A	A
	50	24	A	A
	10	100	A	A
	50	100	B	B
Hydrochloric acid	10	24	X	X
	30	24	X	X
	10	80	-	-
	30	80	-	-
Carbonate of soda	10	24	A	A
	30	24	-	-
	10	100	A	A
	30	100	A	A
Acetic acid	10	24	A	A
	60	24	A	A
	10	100	A	A
	60	100	B	B
Oxalic acid	10	24	B	C
	50	24	B	C
	10	100	X	C
	50	100	X	C
Sulfuric acid	10	24	-	B
	50	24	X	X
	10	100	-	X
	50	100	-	X
Nitric acid	10	24	A	A
	50	24	A	A
	10	100	A	A
	50	100	B	B
Hydrogen sulfide		24	C	B
Hydrogen sulfide		24	B	A
Sulfur dioxide		30–60	-	-
Sulfur dioxide		30–60	-	-
Sea water	-	24	-	A
Sea water	-	100	-	-
Naphtha	-	80	A	A
Naphtha	-	100	A	A
Chlorine		24	-	B
		24	A	X
		100	A	B
		90	B	X
Lactic acid	10	24	B	B
	50	24	B	A
	10	100	B	B
	50	100	X	X
Chloride zinc	20		X	X
Chloride zinc	50		X	X
Methylene chloride	10	24	C	B
	40	24	C	B
	10	100	C	-
	40	100	-	-
Iron (I) chloride	30	25	X	X
Iron (I) chloride			X	X
Ferrous sulfate	10	24	B	B
	50	24	B	B
	10	100	-	B
	50	100	-	-

Chemical density	%	Temp (°C)	Corrosion rate
Chemical density	%	Temp (°C)	SUS304	SUS316L
Calcium chloride	10	24	A	A
	50	24	B	B
	10	100	-	-
	50	100	X	-
Ammonium chloride	10	24	C	A
	40	24	-	-
	10	100	-	A
	40	100	-	-
Potassium carbonate	5		A	A
Potassium carbonate	20		A	A
Sodium chloride	10	24	B	A
	40	24	B	A
	10	100	B	B
	40	100	B	B
Chromic acid	5	24	-	B
Hydrofluoric	5	30	X	X
Phosphoric acid	10	24	A	A
	50	24	A	A
	10	100	A	A
	50	100	A	B
Aqua regia	HCL-HNO3	24	X	X
Aqua regia	3:1	100	-	-
Cupric chloride	10	24	X	X
	30	24	X	X
	10	100	-	-
	30	100	-	-
Phenol		25	A	A
Methyl alchol	95	25	A	A
Carbontetrachloride	100		B	B
Formaldehyde	37		A	A
Formic acid	10	24	B	B
	20	52	B	-
	50	24	B	B
	10	100	-	X
	50	100	X	X
Citric acid	10	24	B	A
	50	24	B	A
	10	100	B	A
	50	100	X	A

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