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CORROSION RESISTANCE OF COUPLING MATERIALS

CAUTION: The following data has been compiled from generally available sources end should not be relied upon without consulting and following the specific recommendations of the manufacturer regarding particular coupling materials.

RATINGS:
1. Excellent
2. Good
3. Fair or conditional
x. Not Satisfactory

NOTE: No rating indicates no data available

Agents
Mall
From
Steel
Brass Bronze Aluminum Glass Stainless
410,
416,
430
Stainless
302,
202,
304,
308
Stainless
316
Monel
Acetate, Solvents, Crude   3 1 1   2 1 1 2
Acetate, Solvents, Pure   1 X 2 1 1 1 1 1
Acetic Acid X X   3   X 2 2 2
Acetic Acid Vapors X X   2   X 2 2 3
Acetic Anhydride X X 1 1 1 X 2 2 2
Acetone 1 1   1   1 1 1 1
Acetylene 1 2   1   1 1 1 2
Alcohols 1 2   3   1 1 1 1
Aluminum Sulfate X 3 3 3 1 X 3 2 2
Alums X 3 2 1 1 X 3 2 2
Ammonia Gas 1 X 3 1* 3 1 1 1 X
Ammonium Chloride 1 3   2   3 3 1 1
Ammonium Hydroxide 2 X   2   1 1 1 3
Ammonium Nitrate 1 X       1 1 1 3
Ammonium Phosphate (Ammoniacal)   X       1 1 1 2
Ammonium Phosphate (Neutral)   3       1 1 1 2
Ammonium Phosphate ( Acid)   3       3 2 1 2
Ammonium Sulfate 1 3       2 1 1 2
Asphalt 1 2       2 1 1 1
Beer 2 2 1 1 1 X 1 1 1
Beet SugarLiquors 1 2   1   2 1 1 1
Benzene, Benzol 1 1 1 1   1 1 1 1
Benzine (petroleum-naphtha) 1 1   1   1 1 1 1
Borax 2 2       1 1 1 1
Boric Acid X 3   1   3 2 1 1
Butane, Butylene 1 1 1 1   1 1 1 1
Butadiene   1       1 1 1 1
Calcium Bisulfate   X       X 2 1 X
Calcium Hypochlorite 3 3 3 X 3 X 3 2 3
Cane Sugar Liquors 1 2   1   2 1 1 1
Carbon Dioxide (Dry) 1 1   1   1 1 1 1
Carbon Dioxide (Wet & Aqueous Sol) 2 3   2   2 1 1 2
Carbon Disulfide 2 3   2   2 1 1 3
Carbon Tetrachloride 3 1 2 3 1 1 1 1 1
Chlorine (Dry) 2 2 2 1 2 2 2 2 1
Chlorine (Wet) X X 3 X 2 X X 3 3
Chromic Acid   X X X 1 3 2 2 3
Citric Acid X 3   1   3 X 1 2
Coke Oven Gas 1 3   2   1 1 1 2
Copper Sulfate X X   X   1 1 1 3
Core Oils   1 1     1 1 1 1
Cottonseed Oil 1 1 1 1   1 1 1 1
Creosote 2 3   1   1 1 1 1
adsf                  
Agents
Mall
From
Steel
Brass Bronze Aluminum Glass Stainless
410,
416,
430
Stainless
302,
202,
304,
308
Stainless
316
Monel
Ethers 2 1   1   1 1 1 1
Ethylene Glycol 2 2       1 1 1 1
Ferric Chloride X X X X 1 X X X X
Ferric Sulfate X X   X   1 1 1 3
Formaldehyde 2 2   2   1 1 1 1
Formic Acid X 2   X   X 2 1 2
Freon 3 1 1 1   1 1 1 1
Furfural 1 2   1   1 1 1 1
Gasoline (Sour) 3 3   3   3 1 1 X
Gasoline (Refined) 1 1 1 1   1 1 1 1
Gelatin 1 3   1   1 1 1 1
Glucose 1 1   1   1 1 1 1
Glue 1 3   1   1 1 1 1
Glycerine or Glycerol 1 2   1   1 1 1 1
Hydrochloric Acid X X X X 1 X X X X
Hydrocyanic Acid 3 X   1   3 1 1 2
Hydrofluoric Acid X 3 3 X X X X X 1
Hydrogen Fluoride   3       X X 3 1
Hydrogen 1 1   1   1 1 1 1
Hyrogen Peroxide X X   1   1 2 1 2
Hydrogen Sulfide (Dry) 3 3   2   3 2 1 3
Hydrogen Sulfide (Wet) 3 3   2   3 2 1 3
Lacquers and Lacquer Solvents 3 2   1   1 1 1 1
Lactic Acid X     3     3 2 1
Lime-Sulfur 2 X   2   1 1 2  
Linseed Oil 1 1   1     1 1 1
Magnesium Chloride 3 3   X   3 2 1 1
Magnesium Hydroxide 1 2   X   1 1 1 1
Magnesium Sulfate 2 2   3   1 1 1 1
Mercuric Chloride 3 X   X   X X 3 X
Mercury 1 X   X   1 1 1 2
Milk 3 3   1   2 1 1 3
Molasses 2 X   2   2 1 1 1
Natural Gas 1 2   1   1 1 1 1
Nickel Chloride   X   X   X 3 2 2
Nickel Sulfate   3   X   3 2 1 1
Nitric Acid X X X 3 1 2 2 2 X
Oleic Acid 2 3   1   2 2 1 1
Oxalic Acid 3 3   2   3 2 1 1
Oxygen 1 1 1 1   1 1 1 1
Palmitic Acid 1 3   1   2 2 1 1
Petroleum Oils (Sour)   3       3 1 1 X
Petroleum Oils (Refined) 1 1 1 1   1 1 1 1
Phosphoric Acid 25% 3 X   3 3 X 3 1 2
Phosphoric Acid 25-50% X X   X 3 X X 2 2
Agents
Mall
From
Steel
Brass Bronze Aluminum Glass Stainless
410,
416,
430
Stainless
302,
202,
304,
308
Stainless
316
Monel
Phosphoric Acid 50-85% X X   X X X X 2 2
Picric Acid 3 X   3   2 1 1 X
Potassium Chloride 2 3   3   3 2 1 1
Potassium Hydroxide 3 X   X   1 1 1 1
Potassium Sulfate 2 2   1   1 1 1 1
Propane 1 1       1 1 1 1
Rosin (Dark) 1 2     1 1 1 1 1
Rosin (Light)   X   1   1 1 1 2
Shellac   2   2   1 1 1 1
Sludge Acid   X       X X 3 2
Soda Ash (Sodium Carbonate) 1 2   X   1 1 1 1
Sodium Bicarbonate 3 1   X   1 1 1 1
Sodium Bisulfate X 3   3   X 1 1 1
Sodium Chloride 2 3 2 X 1 3 2 1 1
Sodium Cyanide 2 X   X   1 1 1 2
Sodium Hydroxide 3 X 3 X X 2 2 2 1
Sodium Hypochlorite X X   X   X 3 2 3
Sodium Metaphosphate X 3   1   2 1 1 1
Sodium Nitrate 1 3   1   1 1 1 1
Sodium Perborate 3 3   1   1 1 1 1
Sodium Peroxide 3 3   1   1 1 1 1
Sodium Phosphate                  
(Alkaline)   3       1 1 1 1
(Neutral)   2       1 1 1 1
(Acid)   2       X 2 1 1
Sodium Silicate 1 3   X   1 1 1 1
Sodium Sulfate 1 2   3   1 1 1 1
Sodium Sulfide 1 X       1 1 1 2
Sodium Thiosulfate (Hypo) 3 X   X   1 1 1 2
Stearic Acid 3 3   3   2 2 1 1
Sulfate Liquors   X       1 1 1 2
Sulfur 2 X   2   2 2 1 3
Sulfur Chloride X X       X 3 2 2
Sulfur Dioxide (Dry) 2 1   1   1 1 1 1
Sulfur Dioxide (Wet)   X       X 2 1 X
Sulfuric Acid 10% X X 3 3   X X 2 2
Sulfuric Acid 10-75% X X X X   X X X 2
Sulfuric Acid 75-95% 3 X X X   3 3 2 3
Sulfuric Acid 95% 2 X X     2 2 2 X
Surlfurous Acid X X   X   X 3 2 X
Tannic Acid 3 3 1 X     1 1 1
Tar 1 2   1   2 1 1 1
Toluene, Toluol 1 1   1   1 1 1 1
Trichlorethylene 3 1   3   1 1 1 1
Agents
Mall
From
Steel
Brass Bronze Aluminum Glass Stainless
410,
416,
430
Stainless
302,
202,
304,
308
Stainless
316
Monel
Turpentine   3   1   3 1 1 1
Varnish 2 2       1 1 1 1
Vegetable Oils 1 2   1   1 1 1 1
Vinegar 3 3   3   3 2 1 2
Water (Acid Mine Water) 3 X   3   2 1 1 3
Water (Fresh) 3 1   1   1 1 1 1
Water (Salt) 3 3 2 X   3 2 2 1
Whiskey X 2       3 1 1 2
Wines X 2       3 1 1 2
Xylene, Xylol 2 1   1   1 1 1 1
Zinc Chloride X X   X   3 2 1 1
Zinc Sulfate 3 3   3   3 2 1 1

* 3 to X at high temperatures

Chart is reprinted from 1996 RMA Hose Handbook

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