Typical corrosion resistance of type 304 and 316 stainless steel to various chemicals.
Code:
a – Unaffected
b – Slightly Attacked
c – Attacked
m – Complete details concerning the conditions of service must be evaluated.

Type Numbers

Type Numbers

Type Numbers

CF8
304

CF8M
316

CF8
304

CF8M
316

CF8
304

CF8M
316

ORGANIC SUBSTANCES

SALTS

SALTS,continued

Acetone

a

a

Aluminum Chloride

c

c

Potassium Hydrate

a

a

Benzol

a

a

Aluminum Fluoride

c

b

Potassium Nitrate

a

a

Carbon Tetrachloride

c

c

Aluminum Sulfate

a

a

Potassium Oxalate

a

a

Ethyl Alcohol

a

a

Ammonium Alum

a

a

Potassium
Permanganate

Ethyl Chloride

a

a

Ammonium Bromide

c

a

Ethyl Ether

a

a

Ammonium Chloride

b

a

Potassium Sulfate

a

a

Food Pastes

a

a

Ammonium
Hydroxide

Silver Nitrate

a

a

Fruit Juices

a

a

Silver Cyanide

a

a

Ink

m

m

Ammonium Nitrate

a

a

Sodium Bicarbonate

a

a

Mustard

b

a

Ammonium Sulfate

a

a

Sodium Borate

a

a

Paregoric Cmpd.

a

a

Barium Chloride

a

a

Sodium Bromide

a

a

Quinine Bisulfate

b

a

Bleaching Powder

c

a

Sodium Chloride (2% aerated)

Quinine Sulfate

a

a

Calcium Chloride

c

a

Vinegar at 70°F

m

m

Calcium Hydroxide or Oxide

Sodium Citrate

a

a

Sodium Fluoride

b

NR

ACIDS

Copper Chloride

c

c

Sodium Hydroxide

a

a

Acetic

m

m

Copper Cyanide

a

a

Sodium Nitrate

a

a

Benzoic

a

a

Copper Nitrate

a

a

Sodium Peroxide
(212 °F)

Boric

a

a

Copper Sulfate (plus 2% sulfuric acid)

a

a

Carbolic

a

a

Stannic Chloride

c

c

Chromic (50%)

c

c

Copper Sulfate

a

a

Stannous Chloride

b

NR

Citric

a

a

Creosote

c

a

Sulfur (molten) 500 °F

a

a

Formic

c

m

Creosote (plus 3% salt)

c

c

Sulfur Chloride

b

NR

Hydrobromic

c

c

Titanium Tetrachloride

a

a

Hydrocyanic

a

a

Hydrogen Peroxide Magnesium

b

a

Zinc Chloride

c

b

Hydrochloric

c

c

Zinc Sulfate

a

a

Hydrofluoric

c

c

Carbonate

a

a

Lactic

a

a

Magnesium Chloride

m

m

MISCELLANEOUS

Nitric (conc.)

a

a

Magnesium Sulfate

a

a

Ammonia

a

a

Nitric (conc.plus 2% HCI)

a

NR

Magnesium Hydroxide

a

a

Baking Oven Gases

a

a

Nitrous (conc.)

a

a

Magnesium Nitrate

a

a

Bromine

c

c

Oxalic

m

m

Phosphorous Trichloride

a

a

Carbonated Beverages

a

a

Phosphoric

a

a

Potassium Bromide

a

a

Chlorine (wet and dry)

c

c

Phosphoric (10%)

a

a

Potassium Carbonate

a

a

Glycerin

a

a

Picric (conc.)

a

a

Potassium Chloride

m

m

Hydrogen Sulfide
(400 °F)

b

a

Pyrogallic (conc.)

a

a

Potassium Chlorate

a

a

Iodine

c

a

Pyroligneus (conc.)

a

a

Potassium Cyanide

a

a

Lead (molten)

c

c

Stearic (conc.)

a

a

Potassium Dichromate

a

a

Lysol

m

m

Succinic (molten)

c

NR

Potassium Ferricyanide

a

a

Mercury

a

a

Sulfuric (conc.)

a

a

Potassium Ferricyanide (boiling)

a

a

Sauerkraut Brine

c

a

Sulfuric (dil.)

m

m

Potassium Hypochlorite

c

m

Sea Water

m

m

Potassium Iodide

a

a

Sulfur Dioxide

b

b

Sulfurous (conc.)

b

a

Vegetable Juices

a

a

Tannic (conc.)

a

a

X-ray Developing
Solution

b

a

Tartaric (conc.)

a

a

Zinc (molten)

c

c

Trichloracetic Acid (10%)

a

a

Uric (conc.)

a

a

NR = Not Recommended