| Substance
|
Carbon Steel
|
Cast Iron
|
302 and 304 Stainless Steel
|
316 Stainless Steel
|
Bronze
|
Durimet
|
Monel
|
Hasteloy B
|
Hasteloy C
|
Titanium
|
Cobalt base alloy 6
|
416 Stainless Steel
|
| Acetaldehyde
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
na
|
1
|
na
|
na
|
1
|
| Acetic acid, air free
|
3
|
3
|
2
|
2
|
2
|
1
|
2
|
1
|
1
|
1
|
1
|
3
|
| Acetic acid, aerated
|
3
|
3
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
3
|
| Acetic acid, vapors
|
3
|
3
|
1
|
1
|
2
|
2
|
2
|
na
|
1
|
1
|
1
|
3
|
| Acetone
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Acetylene
|
1
|
1
|
1
|
1
|
|
1
|
1
|
1
|
1
|
na
|
1
|
1
|
| Alcohols
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Aluminum Sulfate
|
3
|
3
|
1
|
1
|
2
|
1
|
2
|
1
|
1
|
1
|
na
|
3
|
| Ammonia
|
1
|
1
|
1
|
1
|
3
|
1
|
3
|
1
|
1
|
1
|
1
|
1
|
| Ammonium chloride
|
3
|
3
|
2
|
2
|
2
|
1
|
2
|
1
|
1
|
1
|
2
|
3
|
| Ammonium Nitrate
|
1
|
3
|
1
|
1
|
3
|
1
|
3
|
1
|
1
|
1
|
1
|
3
|
| Ammonium Phosphate
|
4
|
3
|
1
|
1
|
2
|
2
|
2
|
1
|
1
|
1
|
1
|
2
|
| Ammonium Sulfate
|
3
|
3
|
2
|
1
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
3
|
| Ammonium Sulfite
|
3
|
3
|
1
|
1
|
3
|
1
|
3
|
na
|
1
|
1
|
1
|
2
|
| Aniline
|
3
|
3
|
1
|
1
|
3
|
1
|
2
|
1
|
1
|
1
|
1
|
3
|
| Asphalt
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
na
|
1
|
1
|
| Beer
|
2
|
2
|
1
|
1
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
| Benzene (benzol)
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Benzoic acid
|
3
|
3
|
1
|
1
|
1
|
1
|
1
|
|
1
|
1
|
|
1
|
| Boric acid
|
3
|
3
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
| Butane
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
|
1
|
1
|
| Calcium Chloride (alkaline)
|
2
|
2
|
3
|
2
|
3
|
1
|
1
|
1
|
1
|
1
|
na
|
3
|
| Calcium hypochlorite
|
3
|
3
|
2
|
2
|
2
|
1
|
2
|
3
|
1
|
1
|
na
|
3
|
| Carbolic acid
|
2
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
|
| Carbon dioxide, dry
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Carbon dioxide, wet
|
3
|
3
|
1
|
1
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Carbon disulfide
|
1
|
1
|
1
|
1
|
3
|
1
|
2
|
1
|
1
|
1
|
1
|
2
|
| Carbon tetrachloride
|
2
|
2
|
2
|
2
|
1
|
1
|
1
|
2
|
1
|
1
|
na
|
3
|
| Carbonic acid
|
3
|
3
|
2
|
2
|
2
|
1
|
1
|
1
|
1
|
|
|
1
|
| Chlorine gas
|
1
|
1
|
2
|
2
|
2
|
1
|
1
|
1
|
1
|
3
|
2
|
3
|
| Chlorine gas, wet
|
3
|
3
|
3
|
3
|
3
|
3
|
3
|
3
|
2
|
1
|
2
|
3
|
| Chlorine, liquid
|
3
|
3
|
3
|
3
|
2
|
2
|
3
|
3
|
1
|
3
|
2
|
3
|
| Chromic acid
|
3
|
3
|
3
|
2
|
3
|
3
|
1
|
3
|
1
|
1
|
2
|
3
|
| Citric acid
|
3
|
3
|
2
|
1
|
1
|
1
|
2
|
1
|
1
|
1
|
|
2
|
| Coke oven gas
|
1
|
1
|
1
|
1
|
2
|
1
|
2
|
1
|
1
|
1
|
1
|
1
|
| Copper sulfate
|
3
|
3
|
2
|
2
|
2
|
1
|
3
|
na
|
1
|
1
|
na
|
1
|
| Cottonseed oil
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Creosote
|
1
|
1
|
1
|
1
|
3
|
1
|
1
|
1
|
1
|
|
1
|
1
|
| Ethane
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Ether
|
2
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Ethyl chloride
|
3
|
3
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
| Ethylene
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Ethylene glycol
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
na
|
na
|
na
|
1
|
1
|
| Ferric chloride
|
3
|
3
|
3
|
3
|
3
|
3
|
3
|
3
|
2
|
1
|
2
|
3
|
| Formaldehyde
|
2
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Formic acid
|
3
|
3
|
2
|
2
|
1
|
1
|
1
|
1
|
1
|
3
|
2
|
3
|
| R-12 dichlorodifluoromethane wet
|
2
|
2
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
na
|
| R-12 dichlorodifluoromethane dry
|
2
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
na
|
| Furfural
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
| Gasoline
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Glucose
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Hydrochloric acid, aerated
|
3
|
3
|
3
|
3
|
3
|
3
|
3
|
1
|
2
|
01-Feb
|
2
|
3
|
| Hydrochloric acid, air free
|
3
|
3
|
3
|
3
|
3
|
3
|
3
|
1
|
2
|
01-Feb
|
2
|
3
|
| Hydrofluoric acid, aerated
|
2
|
3
|
3
|
2
|
3
|
2
|
3
|
1
|
1
|
3
|
2
|
3
|
| Hydrofluoric acid, air free
|
1
|
3
|
3
|
2
|
3
|
2
|
1
|
1
|
1
|
3
|
na
|
3
|
| Hydrogen
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Hydrogen peroxide
|
|
2
|
1
|
1
|
3
|
1
|
3
|
2
|
2
|
1
|
na
|
2
|
| Hydrogen sulfide, liquid
|
3
|
3
|
1
|
1
|
3
|
2
|
3
|
1
|
1
|
1
|
1
|
3
|
| Magnesium Hydroxide
|
1
|
1
|
1
|
1
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Mercury
|
1
|
1
|
1
|
1
|
3
|
1
|
2
|
1
|
1
|
1
|
1
|
1
|
| Methanol
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Methyl ethyl ketone
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
|
1
|
1
|
| Milk
|
3
|
3
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
3
|
| Natural gas
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Nitric acid
|
3
|
3
|
1
|
2
|
3
|
1
|
3
|
3
|
2
|
1
|
3
|
3
|
| Oleic acid
|
3
|
3
|
1
|
1
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Oxalic acid
|
3
|
3
|
2
|
2
|
2
|
1
|
2
|
1
|
1
|
2
|
2
|
2
|
| Oxygen
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Petroleum oils
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Phosphoric acid, aerated
|
3
|
3
|
1
|
1
|
3
|
1
|
3
|
1
|
1
|
2
|
1
|
3
|
| Phosphoric acid, air free
|
3
|
3
|
1
|
1
|
3
|
1
|
2
|
1
|
1
|
2
|
1
|
3
|
| Phosphoric acid vapors
|
3
|
3
|
2
|
2
|
3
|
1
|
3
|
1
|
|
2
|
3
|
3
|
| Picric acid
|
3
|
3
|
1
|
1
|
3
|
1
|
3
|
1
|
1
|
na
|
na
|
2
|
| Potassium chloride
|
2
|
2
|
1
|
1
|
2
|
1
|
2
|
1
|
1
|
1
|
na
|
3
|
| Potassium hydroxide
|
2
|
2
|
1
|
1
|
2
|
1
|
1
|
1
|
1
|
1
|
na
|
2
|
| Propane
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Rosin
|
2
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
|
1
|
1
|
| Silver Nitrate
|
3
|
3
|
1
|
1
|
3
|
1
|
3
|
1
|
1
|
1
|
2
|
2
|
| Sodium acetate
|
1
|
1
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Sodium carbonate
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
| Sodium chloride
|
3
|
3
|
2
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
| Sodium chromate
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Sodium hydroxide
|
1
|
1
|
1
|
1
|
3
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
| Sodium Hypochlorite
|
3
|
3
|
3
|
3
|
3
|
2
|
3
|
3
|
1
|
1
|
na
|
3
|
| Sodium thiosulfate
|
3
|
3
|
1
|
1
|
3
|
1
|
3
|
1
|
1
|
1
|
na
|
2
|
| Stannous chloride
|
2
|
2
|
3
|
1
|
3
|
1
|
2
|
1
|
1
|
1
|
na
|
3
|
| Stearic acid
|
1
|
3
|
1
|
1
|
2
|
1
|
2
|
1
|
1
|
1
|
2
|
2
|
| Sulfate liquor
|
1
|
1
|
1
|
1
|
3
|
1
|
1
|
1
|
1
|
1
|
1
|
|
| Sulfur
|
1
|
1
|
1
|
1
|
3
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Sulfur dioxide, dry
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
1
|
1
|
1
|
2
|
| Sulfur trioxide, dry
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
1
|
1
|
1
|
2
|
| Sulfuric acid, aerated
|
3
|
3
|
3
|
3
|
3
|
1
|
3
|
1
|
1
|
2
|
2
|
3
|
| Sulfuric acid, air free
|
3
|
3
|
3
|
3
|
2
|
1
|
2
|
1
|
1
|
2
|
2
|
3
|
| Sulfurous acid
|
3
|
3
|
2
|
2
|
2
|
1
|
3
|
1
|
1
|
1
|
2
|
3
|
| Tar
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
| Trichloroethylene
|
2
|
2
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
| Turpentine
|
2
|
2
|
1
|
1
|
1
|
1
|
2
|
1
|
1
|
1
|
1
|
1
|
| Vinegar
|
3
|
3
|
1
|
1
|
2
|
1
|
1
|
1
|
1
|
na
|
1
|
3
|
| Water, steam boiler feeding system
|
2
|
3
|
1
|
1
|
3
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
| Water, distilled
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|
| Water, sea
|
2
|
2
|
2
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
1
|
3
|
| Whiskey
|
3
|
3
|
1
|
1
|
1
|
1
|
2
|
1
|
1
|
1
|
1
|
3
|
| Wine
|
3
|
3
|
1
|
1
|
1
|
1
|
2
|
1
|
1
|
1
|
1
|
3
|
| Zinc chloride
|
3
|
3
|
3
|
3
|
3
|
1
|
3
|
1
|
1
|
1
|
2
|
3
|
| Zinc sulfate
|
3
|
3
|
1
|
1
|
2
|
1
|
1
|
1
|
1
|
1
|
1
|
2
|