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Corrosion

Corrosion Resistance Table of Stainless Steel Nickel Monel Iconel






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

  • A...Excellent Good Resistance less than 0,01mm per month (0,1 mm per year)
  • B...Good Resistance < 0,01mm to 0,1mm per month (0,1mm to 1mm per year)
  • C...Fair Resistance 0,1mm to 0,25mm per month ( 1mm to 3mm per year)
  • D...Some Resistance 0,25mm to 0,9mm per month (3mm -11 mm per year)
  • E...No Resistance > 0,9 mm per month (11 mm per year)

  • Chemical /condition Temp
    oC
    304, 321,347
    Stainless Steel
    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



    Related References:
    Selection of Stainless Steel fo Handling Sulphur Dioxide SO2 and Sulphur Trioxide SO3
    Selection of Stainless Steel for Handling Phosphoric Acid H3PO4
    Selection of Stainless Steel for Handling Hydrofluoric Acid HF
    Selection of Stainless Steel for Handling Citric Acid C3H4OH (COOH)3
    Selection of Stainless Steel for Handling Ammonia NH3
    Selection of Stainless Steel for Handling Chlorine Cl2 and Chlorine Dioxide ClO2
    Selection of Stainless Steels For Handling Hydrochloric Acid HCl
    Selection of Stainless Steel for Handling Sulphuric Acid H2SO4
    Selection Stainless Steel for Handling Sodium Hydroxide NaOH
    Selection of stainless steels for handling acetic acid (CH3COOH)
    Selection of stainless steels for handling sodium hypochlorite (NaOCl)
    Selection of stainless steels for handling nitric acid (HNO3)
    NACE MR 0175/ISO 15156 for Corrosion Resistant Alloys for Sulphide Service
    Selection of stainless steels in water supply and waste water treatment



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