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The following information has been compiled by:
Prep-Tec Ltd
Stainless Steel Fabrication Specialists
Todd Street
Bury
Lancashire
England
Tel: +441617615214
Fax: +441617641914
Email: info@prep-tec.co.uk
Product and Condition Temp
(°C)		 corrosion chart corrosion chart corrosion chart corrosion chart corrosion chart
Sea Water A A A A A
Sewage A A A A A
Silver Bromide B A ---- ---- ----
Silver Chloride E E ---- ---- ----
Silver Nitrate A A E E A
Soap 21° A A A A A
Sodium Acetate---- moist A A A A A
Sodium Bicarbonate
all concentrations
5%---- still
21°
66°
A
A
A
A
A
A
A
A
A
A
Sodium Carbonate
5%
5%
21°
66°
A
A
A
A
A
A
A
A
A
A
Sodium Chloride
5%---- still
5%---- still
20%---- aerated
saturated
saturated
21°
66°
21°
21°
Boiling
A
A
A
A
B
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
Sodium Fluoride---- 5% solution B A A A A
Sodium Hydroxide A A A A A
Sodium Hypochlorite---- 5%, still B A C C C
Sodium Hyposulphate 21° A A A A A
Sodium Nitrate Fused C B A B A
Sodium Sulphate---- 5%, still 21° A A A A A
Sodium Sulphate
all concentrations
21°
A
A
A
A
A
Sodium Sulphide---- saturated B A A A A
Sodium Sulphite
5%
10%
21°
66°
A
A
A
A
A
A
A
A
A
A
Stannic Chloride---- Sp. G. 1.21 Boiling E E B B C
Stannic Chloride---- solution 21° D C A B B
Stannous Chloride---- saturated C A A B B
Stearic Acid A A A A A
Sulphur Chloride E D A A A
Sulphur Dioxide Gas---- moist
 21°
302°		 B
A		 A
A		 D
----		 C
----		 C
----
Sulphur
Dry
Wet
Molten
A
B
A
A
A
B
A
B
A
A
Sulphuric Acid
5%
5%
10%
10%
50%
50%
Concentrated
Concentrated
Concentrated
Fuming
21°
Boiling
21°
Boiling
21°
Boiling
21°
Boiling
149°
21°
C
E
C
E
D
E
A
D
E
C
B
C
B
D
C
D
A
D
E
B
A
D
B
C
B
E
B
E
E
C
A
A
A
A
A
E
B
E
E
B
A
C
B
C
B
E
B
E
E
B
Sulphurous Acid
saturated
saturated 60 lb pressure
saturated 70-125 lb pressure
150lb pressure
Sulphurous spray
21°
121°
154°
191°
21°
C
C
C
C
D
B
B
B
B
D
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
Tannic Acid
 21°
66°		 A
B		 A
A		 A
A		 A
A		 A
A
Tartaric Acid
 21°
66°		 A
B		 A
A		 A
A		 A
A		 A
A
Tin Molten C C E E E
Trichloracetic Acid 21° E E B B B