Legend: 1: Recommended for use 2: Moderately suitable 3: Generally not recommended 4: Not recommended -: Not yet determined Note: The applicability of the following materials is based on room temperature (20°C); corrosion is accelerated at elevated temperatures.
Medium
Stainless steel
Ethylene-propylene
Rubber
Nitrile
Rubber
Fluorine
Rubber
POM
PTFE
PEEK
304
316L
Temperature range (°C)
-196
-196
-50
-35
-25
-40
-196
-60
+600
+700
+150
+100
+200
+100
+250
+250
Water <80℃
1
1
1
1
1
1
1
1
Pure water
1
1
1
1
1
1
1
1
Seawater
4
2
1
2
1
2
1
1
Vacuum
1
1
-
1
1
1
1
1
Air
1
1
1
1
1
1
1
1
Water vapor < 150°C
1
1
1
4
2
4
1
1
Oxygen
1
1
2
4
1
2
1
1
Carbon monoxide
1
1
1
1
1
1
1
1
Carbon dioxide
1
1
2
1
1
2
1
1
Coal gas
1
1
2
1
1
1
1
1
Liquefied petroleum gas (LPG)
1
1
3
1
1
1
1
1
Natural gas
1
1
4
2
1
1
1
1
Hydrogen
2
1
3
2
1
1
1
1
Nitrogen gas
1
1
1
1
1
1
1
1
Ammonia
2
1
1
2
4
1
1
1
Argon gas
1
1
1
1
1
1
1
1
Ozone
1
1
1
3
1
3
1
1
Coke oven gas
2
1
4
4
1
2
1
1
Petroleum
1
1
4
2
1
1
1
1
Gasoline
1
1
4
2
1
1
1
1
Diesel fuel
1
1
4
1
1
1
1
1
Kerosene
1
1
4
2
1
1
1
1
Aviation kerosene
1
1
4
1
1
1
1
1
Aviation fuel
1
1
4
1
1
1
1
1
Lubricating oil
1
1
4
1
1
1
1
1
Butter (grease)
1
1
4
1
1
1
1
1
Brake fluid
1
1
4
1
3
1
1
1
Volatile oil
1
1
4
2
1
1
1
1
Wood preservative oil
1
1
4
4
2
3
1
1
Transformer oil
1
1
4
1
1
1
1
1
Cutting oil
1
1
4
1
1
1
1
1
Glycerin
1
1
4
1
2
3
1
1
Silicone oil
1
1
2
3
1
1
1
1
Heavy oil
1
1
4
2
1
1
1
1
Diesel engine fuel
1
1
4
1
2
1
1
1
Brown coal tar
1
1
1
2
2
4
1
1
Turbine Oil (Steam Turbine Oil)
1
1
4
1
1
1
1
1
Mineral-based hydraulic oil
1
1
4
1
1
1
1
1
Water-glycol hydraulic fluid
1
1
1
3
2
1
1
1
Phosphate ester oil
1
1
1
4
2
1
1
1
Linseed oil
1
1
3
1
1
1
1
1
Castor oil
1
1
4
1
1
1
1
1
Palm oil
1
1
4
2
1
1
1
1
Fish oil
1
1
3
1
1
1
1
1
Hydrochloric acid
4
4
1
4
1
4
1
1
<50% acetic acid (ethanoic acid)
1
1
1
4
3
3
1
1
Chromic acid
2
1
2
4
1
4
1
3
<50% formic acid
1
1
1
3
3
4
1
2
Tartaric acid
1
1
2
1
1
2
1
1
<20% sulfuric acid
4
2
1
3
1
4
1
2
40% sulfuric acid
4
4
3
4
1
4
1
4
Citric acid
1
1
1
2
1
2
1
1
Boric acid, hydrated
1
1
2
2
1
3
1
1
Tannic acid (tannin)
1
1
1
2
2
1
1
1
Picric acid
1
1
2
2
1
-
1
1
Salicylic acid
1
1
3
1
1
1
1
1
Carbonic acid
1
1
1
2
1
2
1
1
Hydrobromic acid
4
4
4
4
2
4
1
4
<20% nitric acid
1
1
2
4
1
4
1
1
50% nitric acid
2
2
3
4
1
4
1
2
<20% oxalic acid
2
1
1
3
1
4
1
1
40% oxalic acid
4
4
1
3
1
4
1
1
Oleic acid
1
1
4
2
1
1
1
1
Fatty acid
1
1
4
2
2
1
1
1
Palmitic acid
1
2
2
2
1
2
1
1
Less than 10% hydrofluoric acid
4
4
4
4
2
4
1
2
<50% phosphoric acid
1
1
1
3
1
4
1
1
Fruit juice
1
1
2
2
3
1
1
1
Milk
1
1
2
2
1
1
1
1
Beer
1
1
1
1
1
1
1
1
Glucose
1
1
1
1
1
2
1
1
Sugar solution
1
1
1
2
1
1
1
1
Oil-in-water emulsion
1
1
4
1
1
1
1
1
Cutting emulsion
1
1
3
1
1
1
1
1
Soap solution
1
1
3
1
1
1
1
1
Salt solution
4
2
1
1
2
1
1
1
Fertilizer solvent
3
2
2
4
4
-
1
-
Latex emulsion
1
1
2
-
-
1
1
1
Paraffin wax
1
1
4
1
1
1
1
1
Benzene
1
1
4
4
2
3
1
2
Aniline
1
1
1
4
3
3
1
1
Styrene
1
1
4
4
2
2
1
1
Methyl ketone
1
1
2
4
4
3
1
2
Methanol
1
1
1
2
4
2
1
1
Methylamine, aqueous
1
1
1
4
2
2
1
1
Toluene
1
1
4
4
2
2
1
2
Methyl ethyl ketone
1
1
2
4
4
3
1
1
Formaldehyde
1
1
1
2
4
2
1
1
Methane
1
1
2
2
1
2
1
1
Ethanol
1
1
1
1
3
2
1
1
Acetic anhydride
2
1
2
4
4
3
1
2
Diethyl ether
1
1
3
4
4
2
1
1
Acetaldehyde
1
1
1
4
3
2
1
1
Acetylene gas
1
1
2
1
1
1
1
1
Lead(II) acetate, hydrated
1
1
1
4
2
3
1
3
Ethyl acetate
1
2
1
4
2
2
1
1
Ethane
1
1
3
3
1
1
1
1
Ethylene
1
1
3
2
1
1
1
1
Propanol
1
1
1
2
3
2
1
1
Acetone
1
1
1
4
4
4
1
3
Propane
1
1
4
3
1
1
1
1
Propylene
1
1
4
1
1
2
1
1
Propylene glycol
1
1
2
2
1
3
1
2
Acrylonitrile
1
1
2
4
4
4
1
2
Butyric acid, hydrated
1
1
4
4
2
2
1
1
Butane
2
1
4
3
1
1
1
1
Ethyl acetate
1
1
1
4
4
3
1
1
Cyclohexanone
2
1
2
4
4
3
1
3
Calcium hydroxide
1
1
1
3
1
2
1
1
Magnesium hydroxide
1
1
1
2
1
1
1
1
Barium hydroxide
1
1
1
3
1
3
1
1
<30% sodium hydroxide
1
1
2
4
2
4
1
1
50% sodium hydroxide
2
1
3
4
3
4
1
2
<30% potassium hydroxide
1
1
2
4
2
4
1
1
50% potassium hydroxide
2
1
3
4
3
4
1
2
Xylene
1
1
3
4
2
1
1
1
Sulfur dioxide
2
1
1
3
1
3
1
1
Calcium disulfide
3
2
1
3
2
2
1
1
Nitrogen dioxide
2
1
2
3
1
3
1
1
Dichloroethane
2
1
2
3
2
3
1
1
Chloroform (trichloromethane)
2
2
2
4
2
4
1
2
Trichloroacetic acid
1
1
3
4
2
3
1
-
Trichloroethylene
2
1
4
4
2
4
1
2
Carbon tetrachloride
1
1
3
4
1
4
1
1
Alum
2
1
1
2
1
2
1
1
Phenol
2
1
2
4
1
4
1
1
Furan
1
1
2
4
4
4
1
1
Fluorochloroalkane
1
1
2
2
1
2
1
1
Hydrogen fluoride
3
2
4
4
1
4
1
3
Sodium fluoride
1
1
2
2
1
1
1
1
Heptane
1
1
1
2
1
1
1
1
Mercury (quicksilver)
1
1
2
1
1
1
1
1
Sodium silicate
1
1
2
2
1
2
1
1
<40% hydrogen peroxide
3
2
3
4
2
4
1
1
Furfural
1
1
2
4
1
2
1
1
Wax
1
1
1
3
2
1
1
1
Asphalt
1
1
4
4
1
3
1
1
Ammonium phosphate
1
1
2
2
1
2
1
1
Sodium phosphate
1
1
2
2
1
2
1
1
Phosphatidylserine
1
1
3
4
3
-
1
-
Sulfur with sodium sulfide
1
1
2
4
1
1
1
1
Magnesium sulfide
2
1
1
2
1
1
1
1
Sodium sulfide
3
2
1
2
1
2
1
1
Hydrogen sulfide
3
1
1
3
1
2
1
1
Ammonium sulfate
1
1
2
2
1
2
1
1
Chromium(III) sulfate
1
1
2
1
1
1
1
1
Potassium sulfate
1
1
2
1
1
1
1
1
Sodium sulfate
1
1
2
2
1
1
1
1
Nickel sulfate
1
1
1
2
1
2
1
1
<10% sodium bisulfate
3
1
1
2
2
2
1
1
20% sodium bisulfate
4
4
1
3
2
3
1
1
Ferric sulfate
2
1
1
3
1
1
1
1
Copper sulfate
1
1
1
2
1
2
1
1
Zinc sulfate
1
1
2
1
1
2
1
1
Chlorine (dry)
3
2
4
4
2
4
1
4
Chlorine water
4
4
4
4
2
4
1
4
Chlorobenzene
1
1
3
4
1
2
1
1
<20% ammonium chloride
2
2
3
3
1
1
1
1
Calcium chloride
2
2
3
2
1
1
1
1
<20% chromium chloride
3
2
3
1
4
4
1
-
Mercury(II) chloride
4
3
2
2
1
4
1
1
Potassium chloride
3
2
2
1
1
2
1
1
Magnesium chloride
3
2
1
2
1
1
1
1
Sodium chloride
3
2
1
1
1
1
1
1
Nickel chloride
3
2
2
1
1
2
1
1
Iron(III) chloride
4
3
1
2
1
3
1
1
Tin(II) chloride
4
4
2
2
1
2
1
1
Methylene chloride
2
1
1
4
3
3
1
1
<30% potassium chlorate
3
2
2
4
1
2
1
1
<30% sodium chlorate
3
2
2
3
1
2
1
1
<10% sodium hypochlorite
3
2
2
4
2
4
1
1
Vinyl chloride
3
2
1
4
3
2
1
1
Gelatin
1
1
2
1
1
1
1
1
Milk fat
1
1
3
1
2
1
1
1
Naphthalene (mothballs)
1
1
2
4
1
1
1
1
Urea, hydrated
2
1
1
2
2
2
1
1
Sodium borate, hydrated
1
2
2
1
1
1
1
2
Hydroxybutanedioic acid
1
2
2
1
1
1
1
1
Sodium cyanide
1
2
2
2
1
2
1
1
Lime plaster
1
1
1
4
2
2
1
1
Lime water
1
1
1
1
1
1
1
1
Maleic anhydride
2
1
4
-
2
3
1
2
Ammonium carbonate
1
1
1
3
1
2
1
1
Potassium carbonate
1
1
2
1
1
2
1
1
Sodium carbonate
1
1
2
2
1
1
1
1
Sodium bicarbonate
1
1
2
2
1
2
1
1
Pentane
1
1
4
1
1
2
1
1
Nitrobenzene
1
1
4
4
2
4
1
3
lacquer
1
1
1
4
4
2
1
1
Potassium nitrate
1
1
2
1
1
1
1
1
Ketone nitrate
2
1
2
2
1
2
1
1
Silver nitrate
1
1
2
2
1
2
1
1
Bromine
4
4
4
4
2
-
1
3
Potassium bromide
2
2
2
2
1
3
1
2
Methylene bromide
2
2
2
4
1
3
1
2
Ammonium bromide
2
2
2
2
1
1
1
1
Sodium bromate
2
2
2
2
1
1
1
1
Sodium sulfite
1
1
1
4
2
3
1
1
Ammonium oxide
2
2
2
2
1
2
1
1
Isopropyl alcohol
2
1
2
3
1
2
1
1
Isopropyl ethyl ether
1
1
2
3
4
-
1
1
Isobutyl alcohol
2
2
2
3
1
3
1
2
Isooctane
1
1
2
3
1
3
1
1
Amyl acetate
1
1
2
4
3
2
1
1
Freon R22, 21
1
1
1
4
3
3
1
1
Polyurethane resistance
