Corrosion Resistance of St.Stls (304,321,347,316 ), Nickel, Monel, Iconel, Hastalloy C
The table below indicates the approximate corrosion
resistance of selected corrosion resistant metals to a
range of common chemicals. This is collated
information from various sources but is of limited
quality. For good quality information please
consult reputable reference texts and/or the links provided
below the table
Key to Letters designating corrosion resistance
|
| Chemical /condition |
Temp oC |
304, 321,347 Stain. Stl. |
316,316L Stain. Stl. |
Nickel | Monel | Iconel | Hastalloy C |
| Acetic Acid (20%) | 21 | A | A | A | A | A | A |
| Acetic Acid (50%) | 21 | A | A | B | A | A | A |
| Acetic Acid (50%) | Boiling | C | B | B | A | B | A |
| Acetic Acid (80%) | 21 | A | A | B | A | A | A |
| Acetic Acid (80%) | Boiling | D | B | B | A | B | A |
| Acetic Acid (100%) | 21 | A | A | A | A | A | A |
| Acetic Acid (100%) | Boiling | C | B | C | B | B | A |
| Acetic Acid (100% - 150 lb pressure) | 204 | E | C | - | - | - | A |
| Acetic Anhydride | Boiling | A | A | A | A | A | A |
| Acetic Anhydride | 21 | A | A | A | A | A | A |
| Acetic Vapours (100%) | Hot | E | C | C | B | B | |
| Acetic Vapours (30%) | Hot | C | B | - | - | - | |
| Acetone | Boiling | A | A | A | A | A | A |
| Acetone | 21 | A | A | A | A | A | |
| Alcohol Ethyl | 21 | A | A | A | A | A | A |
| Alcohol Ethyl | Boiling | A | A | A | A | A | A |
| Alcohol Methyl | 21 | A | A | A | A | A | A |
| Alcohol Methyl | 66 | C | B | A | A | A | A |
| Aluminium Acetate - saturated | A | A | - | - | - | ||
| Aluminium Chloride | 21 | D | C | B | B | C | A |
| Alum (Chrome) 5% | 21 | A | A | C | C | A | |
| Aluminium Fluoride | 21 | D | C | A | A | B | B |
| Aluminium Hydroxide - saturated | A | A | A | A | A | B | |
| Aluminium | Molten | E | E | E | E | E | |
| Aluminium Potassium Sulphate (2% alum) | 21 | A | A | A | A | A | C |
| Aluminium Potassium Sulphate (10%) | 21 | A | A | A | A | A | C |
| Aluminium Potassium Sulphate (10%) | Boiling | B | A | B | A | B | C |
| Aluminium Potassium Sulphate (saturated) | Boiling | C | B | C | B | B | C |
| Aluminium Sulphate (10%) | 21 | A | A | A | A | A | B |
| Aluminium Sulphate (10%) | Boiling | B | A | B | A | B | B |
| Aluminium Sulphate (saturated) | 21 | A | A | A | A | A | B |
| Aluminium Sulphate (saturated) | Boiling | B | A | B | A | B | B |
| Ammonia - all concentrations | 21 | A | A | - | - | A | A |
| Ammonia - gas | Hot | D | - | - | - | - | A |
| Ammonia Liquor | 21 | A | A | C | C | A | A |
| Ammonia Liquor | Boiling | A | A | C | C | A | A |
| Ammonium Bicarbonate | 21 | A | A | A | A | A | |
| Ammonium Bicarbonate | Hot | A | A | A | A | A | |
| Ammonium Carbonate (1% & 5%) | 21 | A | A | A | A | A | B |
| Ammonium Chloride (1%) | 21 | A | A | A | A | A | D |
| Ammonium Chloride (10% solution) | Boiling | A | A | A | A | B | D |
| Ammonium Chloride (28% solution) | Boiling | B | A | A | A | B | D |
| Ammonium Chloride (50% solution) | Boiling | B | A | A | A | B | D |
| Ammonium Nitrate (All con. agitated) | 21 | A | A | C | C | A | B |
| Ammonium Nitrate (All con. aerated) | 21 | A | A | C | C | A | B |
| Ammonium Nitrate (saturated) | Boiling | A | A | E | E | B | B |
| Ammonium Oxalate (5%) | 21 | A | A | A | A | A | A |
| Ammonium Persulphate (5%) | 21 | A | A | E | E | A | B |
| Ammonium Phosphate (5%) | 21 | A | A | A | A | A | B |
| Ammonium Sulphate (1% & 5% agitated) | 21 | A | A | A | A | A | B |
| Ammonium Sulphate (1% & 5% aerated) | 21 | A | A | A | A | A | B |
| Ammonium Sulphate (10%) | Boiling | B | A | B | A | B | B |
| Ammonium Sulphate (saturated) | Boiling | B | A | B | A | B | B |
| Ammonium Sulphite | Cold | A | A | C | B | B | |
| Ammonium Sulphite | Boiling | A | A | E | C | C | |
| Aniline (3%) | 21 | A | A | A | A | A | B |
| Aniline (conc. Crude) | 21 | A | A | A | A | A | B |
| Aniline Hydrochloride | 21 | E | D | B | B | C | D |
| Antimony Trichloride | 21 | E | D | A | A | A | |
| Barium Carbonate | 21 | A | A | A | A | A | B |
| Barium Chloride (5%) | 21 | A | A | A | A | A | B |
| Barium Chloride (saturated) | 21 | A | A | A | A | A | |
| Barium Chloride (aqueous solution) | Hot | B | A | A | A | B | |
| Barium Nitrate (aqueous solution) | Hot | A | A | C | C | B | |
| Barium Sulphate Barytes (blanc * * *ixe) | 21 | A | A | A | A | A | A |
| Benzene | 21 | A | A | A | A | A | B |
| Benzoic Acid | 21 | A | A | A | A | A | B |
| Boracic Acid (5%) | Hot/Cold | A | A | A | A | A | |
| Borax (5%) | Hot | A | A | A | A | A | B |
| Bromide (dry) | 21 | - | - | A | A | A | |
| Bromine Water | 21 | E | D | D | D | D | A |
| Butyric Acid (5%) | 21 | A | A | A | A | A | A |
| Butyric Acid (5%) | 66 | A | A | A | A | A | A |
| Butyric Acid (aqueous solution - sp. g. 0.964) | Boiling | A | A | - | - | A | A |
| Calcium Carbonate | 21 | A | A | A | A | A | B |
| Calcium Chlorate (dilute solution) | 21 | A | A | A | A | A | |
| Calcium Chlorate (dilute solution) | Hot | A | A | A | A | B | |
| Calcium Chloride (dilute solution) | 21 | B | A | A | A | A | A |
| Calcium Chloride (concentrated solutions) | 21 | B | A | A | A | A | A |
| Calcium Hydroxide (10%) | Boiling | A | A | A | A | A | A |
| Calcium Hydroxide (20%) | Boiling | A | A | A | A | A | A |
| Calcium Hydroxide (50%) | Boiling | C | B | A | A | A | A |
| Calcium Hyperchlorite (2%) | 21 | B | A | C | C | B | B |
| Calcium Sulphate (saturated) | 21 | A | A | A | A | A | B |
| Carbolic Acid (Phenol) | Boiling | A | A | A | A | A | A |
| Carbonated water | A | A | A | A | A | ||
| Carbon Bisulphide | 21 | A | A | A | A | A | |
| Carbon monoxide gas | 871 | A | A | - | - | - | B |
| Carbon monoxide gas | 760 | A | A | - | - | - | B |
| Carbon tetrachloride (pure) | 21 | A | A | A | A | A | A |
| Carbon tetrachloride (aqueous solution - 5-10%) | 21 | C | - | A | A | A | |
| Chloracetic Acid | 21 | D | C | A | A | A | A |
| Chlorbenzol Conc. (pure) | 21 | A | A | A | A | A | |
| Chloric Acid | 21 | E | D | D | D | D | A |
| Chlorinated Water (saturated) | 21 | C | B | C | C | B | A |
| Chlorine gas (dry) | 21 | C | B | C | C | C | A |
| Chlorine gas (moist) | 21 | D | C | C | C | C | A |
| Chlorine gas | 100 | E | D | A | A | A | |
| Chloroform | 21 | A | A | A | A | A | A |
| Chromic Acid (5%) | 21 | A | A | A | A | A | B |
| Chromic Acid (10% CP) | Boiling | C | B | C | B | C | A |
| Chromic Acid (50% Com. Cont. SO3 | Boiling | D | C | - | - | - | B |
| Chromium Plating Bath | 21 | A | A | C | C | A | |
| Citric Acid (5% still) | 21 | A | A | A | A | A | A |
| Citric Acid (5% still) | 66 | A | A | A | A | A | A |
| Citric Acid (15%) | 21 | A | A | A | A | A | A |
| Citric Acid (15%) | Boiling | B | A | B | A | A | A |
| Citric Acid (concentrated) | Boiling | C | B | B | A | B | A |
| Copper Acetate (saturated sol.) | 21 | A | A | C | C | A | |
| Copper Carbonate (sat. solution in 50% NH_OH) | A | A | C | C | A | ||
| Copper Chloride (1% agitated) | 21 | B | A | B | B | A | |
| Copper Chloride (1% aerated) | 21 | B | A | B | B | A | |
| Copper Chloride (5% agitated) | 21 | C | B | C | C | C | |
| Copper Chloride (5% aerated) | 21 | E | D | D | D | C | |
| Copper Cyanide (saturated solution) | Boiling | A | A | B | B | B | A |
| Copper Nitrate (1% and 5%) | 21 | A | A | C | C | A | B |
| Copper Nitrate (50% aqueous solution) | Hot | A | A | E | E | C | B |
| Copper Sulphate (5%) | 21 | A | A | B | B | A | A |
| Copper Sulphate (saturated solution) | Boiling | A | A | C | C | C | A |
| Creosote (Coal Tar) | Hot | A | A | A | A | A | A |
| Creosote Oil | Hot | A | A | A | A | A | |
| Cyanogen Gas | 21 | A | A | A | A | A | |
| Dinitrochlorbenzol (melted and solidified) | 21 | A | A | - | - | - | |
| Ether | 21 | A | A | A | A | A | B |
| Ethyl Chloride | 21 | A | A | A | A | A | B |
| Ethylene Chloride | 21 | A | A | A | A | A | |
| Ferric Chloride (1% solution - still) | 21 | B | A | B | C | C | B |
| Ferric Chloride (1% solution - still) | Boiling | D | C | E | E | E | B |
| Ferric Chloride (5% solution - still) | 21 | D | C | D | D | C | B |
| Ferric Chloride (5% - agitated) | 21 | C | C | D | D | C | B |
| Ferric Chloride (5% - aerated) | 21 | C | C | D | D | C | B |
| Ferric Hydroxide (Hydrated Iron Oxide) | 21 | A | A | A | A | A | |
| Ferric Nitrate (1% and 5%) | 21 | A | A | D | D | A | B |
| Ferric Sulphate (1% and 5%) | 21 | A | A | C | C | A | A |
| Ferrous Sulphate (dilute sol.) | 21 | A | A | A | A | A | B |
| Fluorine | 21 | E | E | A | A | A | B |
| Formalin (40% sol. Formaldehyde) | A | A | A | A | A | ||
| Formic Acid (5% still) | 21 | B | A | A | A | A | A |
| Formic Acid (5% still) | 66 | B | A | A | A | A | A |
| Fuel Oil | Hot | A | A | B | B | A | A |
| Fuel Oil (containing sulphuric acid) | C | B | B | B | B | A | |
| Gallic Acid (5% solution) | 21 | A | A | A | A | A | B |
| Gallic Acid (5% solution) | 66 | A | A | A | A | A | B |
| Glue (dry) | 21 | A | A | A | A | A | |
| Glue (solution - acid) | 21 | B | A | A | A | A | |
| Glue (solution - acid) | 60 | B | A | A | A | A | |
| Glycerine | 21 | A | A | A | A | A | A |
| Hydrochloric Acid (all concentrations) | 21 | E | E | B | B | C | A/B |
| Hydrocyanic Acid | A | A | A | A | A | A | |
| Hydrofluosilicic Acid | 21 | E | D | A | A | B | B |
| Hydrogen Peroxide | 21 | A | A | A | A | A | A |
| Hydrogen Peroxide | Boiling | B | A | - | - | - | A |
| Hydrogen Sulphide (dry) | A | A | A | A | A | A | |
| Hydrogen Sulphide (wet_ | B | A | A | A | A | A | |
| Hyposulphite Soda (Hypo) | A | A | B | A | A | ||
| Iodine | E | D | D | D | D | A | |
| Iodoform | A | A | - | - | - | D | |
| Lactic Acid (5%) | 21 | A | A | A | A | A | B |
| Lactic Acid (5%) | 66 | B | A | A | A | A | B |
| Lactic Acid (10%) | Boiling | D | B | C | C | B | B |
| Lactic Acid (10%) | 66 | C | B | B | B | B | B |
| Lead | Molten | B | B | D | D | B | |
| Linseed Oil | 21 | A | A | A | A | A | |
| Magnesium Chloride (1% and 5% - still) | 21 | A | A | A | A | A | A |
| Magnesium Chloride (1% and 5% - still) | Hot | C | B | A | A | A | A |
| Magnesium Sulphate | Hot/Cold | A | A | A | A | A | B |
| Malic Acid | Hot/Cold | B | A | A | A | A | B |
| Mayonnaise | 21 | A | A | A | A | A | A |
| Mercuric Chloride (dilute solutions | E | D | D | D | D | C | |
| Mercury | A | A | A | A | A | A | |
| Methanol (Methyl Alcohol) | 21 | A | A | A | A | A | A |
| Mixed Acids (53% H2SO4) | Cold | A | A | D | D | A | |
| Mixed Acids (45% HN03) | Cold | A | A | D | D | A | |
| Molasses | A | A | A | A | A | A | |
| Muriatic Acid | 21 | E | E | B | B | C | |
| Mustard | 21 | A | A | A | B | B | A |
| Naphtha | 21 | A | A | A | A | A | B |
| Naphtha (crude) | 21 | A | A | A | A | A | B |
| Nickel Chloride (solution) | 21 | A | A | B | B | B | B |
| Nickel Sulphate | Hot/Cold | A | A | A | A | A | B |
| Niter Cake | Fused | B | A | - | - | - | |
| Nitric Acid (5% solution) | 21 | A | A | E | E | B | A |
| Nitric Acid (20% solution) | 21 | A | A | E | E | A | A |
| Nitric Acid (50% solution) | 21 | A | A | E | E | A | A |
| Nitric Acid (50% solution) | Boiling | A | A | E | E | C | A |
| Nitric Acid (65% solution) | Boiling | B | B | E | E | D | A |
| Nitric Acid (concentrated) | 21 | A | A | E | E | A | B |
| Nitric Acid (concentrated) | Boiling | D | D | E | E | D | B |
| Nitrous Acid (5% solution) | 21 | A | A | D | D | A | D |
| Oils (crude) | Hot/Cold | A | A | A | A | A | |
| Oils (vegetable, mineral) | Hot/Cold | A | A | A | A | A | |
| Oleic Acid | 21 | A | A | A | A | A | A |
| Oxalic Acid (5%) | Hot/Cold | A | A | A | A | A | B |
| Oxalic Acid (10%) | 21 | A | A | A | A | A | B |
| Oxalic Acid (10%) | Boiling | B | C | B | A | B | B |
| Paraffin | Hot/Cold | A | A | A | A | A | B |
| Petroleum Ether | A | A | A | A | A | ||
| Phenol | A | A | A | A | A | A | |
| Phosphoric Acid (1%) | 21 | A | A | A | A | A | A |
| Phosphoric Acid (5%) | 21 | A | A | A | A | A | A |
| Phosphoric Acid (10% - still) | 21 | C | A | B | A | A | A |
| Phosphoric Acid (10% - agitated) | 21 | C | B | B | B | B | A |
| Phosphoric Acid (10% - aerated) | 21 | C | B | C | C | B | A |
| Picric Acid | 21 | A | A | - | - | - | B |
| Potassium Bichromate | 21 | A | A | A | A | A | |
| Potassium Bromide | 21 | B | A | A | A | A | B |
| Potassium Carbonate (1%) | 21 | A | A | A | A | A | B |
| Potassium Carbonate (1%) | Hot | A | A | A | A | A | B |
| Potassium Chlorate | A | A | A | A | A | B | |
| Potassium Chloride (1% and 5%) | 21 | A | A | A | A | A | A |
| Potassium Chloride (1% and 5%) | Boiling | A | A | A | A | A | A |
| Potassium Ferricyanide (5%) | 21 | A | A | - | - | - | B |
| Potassium Ferrocyanide (5%) | 21 | A | A | - | - | - | B |
| Potassium Hydroxide (5%) | 21 | A | A | A | A | A | B |
| Potassium Hydroxide (27%) | Boiling | A | A | A | A | A | B |
| Potassium Hydroxide (50%) | Boiling | B | A | A | A | A | B |
| Potassium Nitrate (1% and 5%) | 21 | A | A | A | A | A | B |
| Potassium Nitrate (1% and 5%) | Hot | A | A | A | A | A | B |
| Potassium Oxalate | A | A | A | A | A | A | |
| Potassium Permanganate (5%) | 21 | A | A | A | A | A | A |
| Potassium Sulphate (1% and 5%) | 21 | A | A | A | A | A | B |
| Potassium Sulphate (1% and 5%) | Hot | A | A | A | A | A | B |
| Potassium Sulphide (salt) | A | A | A | A | A | ||
| Pyrogallic Acid | A | A | A | A | A | ||
| Quinine Bisulphate (dry) | B | A | A | A | A | ||
| Quinine Sulphate (dry) | A | A | A | A | A | ||
| Rosin | Molten | A | A | A | A | A | |
| Sea Water | A | A | A | A | A | A | |
| Sewage | A | A | A | A | A | ||
| Silver Bromide | B | A | - | - | - | A | |
| Silver Chloride | E | E | - | - | - | ||
| Silver Nitrate | A | A | E | E | A | A | |
| Soap | 21 | A | A | A | A | A | A |
| Sodium Acetate (moist) | A | A | A | A | A | A | |
| Sodium Bicarbonate (all concentrations) | 21 | A | A | A | A | A | B |
| Sodim Bicarbonate (5% - still) | 66 | A | A | A | A | A | B |
| Sodium Carbonate (5%) | 21 | A | A | A | A | A | A |
| Sodium Carbonate (5%) | 66 | A | A | A | A | A | A |
| Sodium Chloride (5% - still) | 21 | A | A | A | A | A | A |
| Sodium Chloride (5% - still) | 66 | A | A | A | A | A | A |
| Sodium Chloride (20% aerated) | 21 | A | A | A | A | A | A |
| Sodium Chloride (saturated) | 21 | A | A | A | A | A | A |
| Sodium Chloride (saturated) | Boiling | B | A | A | A | A | A |
| Sodium Fluoride (5% solution) | B | A | A | A | A | A | |
| Sodium Hydroxide | A | A | A | A | A | ||
| Sodium Hypochlorite (5% - still) | B | A | C | C | C | A | |
| Sodium Hyposulphite | 21 | A | A | A | A | A | |
| Sodium Nitrate | Fused | C | B | A | B | A | B |
| Sodium Sulphate (5% -still) | 21 | A | A | A | A | A | B |
| Sodium Sulphate (all concentrations) | 21 | A | A | A | A | A | B |
| Sodium Sulphide (saturated) | B | A | A | A | A | B | |
| Sodium Sulphite (5%) | 21 | A | A | A | A | A | B |
| Sodium Sulphite (10%) | 66 | A | A | A | A | A | B |
| 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 | B | A | D | C | C | |
| Sulphur Dioxide Gas (moist) | 302 | A | A | - | - | - | |
| Sulphur (dry) | Molten | A | A | A | A | A | |
| Sulphur (wet) | B | A | B | B | A | ||
| Sulphuric Acid (5%) | 21 | C | B | A | A | A | B |
| Sulphuric Acid (5%) | Boiling | E | C | D | A | C | B |
| Sulphuric Acid (10%) | 21 | C | B | B | A | B | B |
| Sulphuric Acid (10%) | Boiling | E | D | C | A | C | B |
| Sulphuric Acid (50%) | 21 | D | C | B | A | B | B |
| Sulphuric Acid (50%) | Boiling | E | D | E | E | E | B |
| Sulphuric Acid (concentrated) | 21 | A | A | B | B | B | A |
| Sulphuric Acid (concentrated) | Boiling | D | D | E | E | E | A |
| Sulphuric Acid (concentrated) | 149 | E | E | E | E | E | A |
| Sulphuric Acid (fuming) | 21 | C | B | C | B | B | B |
| Sulphurous Acid (saturated) | 21 | C | B | E | E | E | B |
| Sulphurous Acid (saturated 60 lb pressure) | 121 | C | B | E | E | E | B |
| Sulphurous Acid (saturated 70 - 125 lb pressure) | 154 | C | B | E | E | E | B |
| Sulphurous Acid (150 lb pressure) | 191 | C | B | E | E | E | B |
| Sulphurous Acid (sulphurous spray) | 21 | D | D | E | E | E | B |
| Tannic Acid | 21 | A | A | A | A | A | B |
| Tannic Acid | 66 | B | A | A | A | A | B |
| Tartaric Acid | 21 | A | A | A | A | A | B |
| Tartaric Acid | 66 | B | A | A | A | A | B |
| Tin | Molten | C | C | E | E | E | C |
| Trichloracetic Acid | 21 | E | E | B | B | B | B |
| Varnish | 21 | A | A | A | A | A | A |
| Varnish | Hot | A | A | A | A | A | A |
| Vinegar Fumes | B | A | B | A | A | A | |
| Vinegar (still) | 21 | A | A | A | A | A | A |
| Vinegar (agitated) | A | A | A | A | A | A | |
| Vinegar (aerated) | 21 | A | A | B | A | A | A |
| Zinc | Molten | E | E | E | E | E | |
| Zinc Chloride (5% - still) | 21 | A | A | A | A | A | B |
| Zinc Chloride (5% - still) | Boiling | B | B | B | B | B | B |
| Zinc Sulphate (5%) | 21 | A | A | A | A | A | A |
| Zinc Sulphate (saturated) | 21 | A | A | A | A | A | A |
| Zinc Sulphate (25%) | Boiling | A | A | A | A | A | A |
| Chemical /condition |
Temp oC |
304, 321,347 Stain. Stl. |
316,316L Stain. Stl. |
Nickel | Monel | Iconel | Hastalloy C |
Links to Corrosion Resistance Tables
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