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Braided Hose
Corrosion Evaluation Data

This information may be used as a guide for the selection of flexible metal hose and of fitting material suitable for conveying the substances listed.  However, this data should not be construed as advice to use or not use without further testing or investigation since variations in service conditions can influence resistance to corrosion.

The corrosion resistance of tin-lead solder, brass brazing and silver brazing alloys used to attach end fittings to metal hose may be considered equal to bronze in the table.  Joints produce by welding end fittings to steel, stainless steel and monel hose may be considered equivalent to the corrosion resistance of the component parts.


Interpretation of Corrosion Data

Class 1 Resistant
  Less than .00035" penetration / month.

Class 2 Partially Resistant
  .00035 to .0035" penetration / month.

Class 3 Non-Resistant
Greater than .0035" penetration / month.


*Subject to decomposition (forming HCl) in presence of moisture
**Subject to pitting at air line or when allowed to dry
***Subject to attack in presence of H2SO4

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Acetic Acid 5%-20% Agitated or Aerated 70° 1 1 3 3 2
50% 70° 1 1 3 3 3
50%-80% Boiling 3 2 3 3 3
80% 70° 1 1 3 3 1
100% 70° 1 1 3 3 1
100% Boiling 3 2 3 3 2
100%-150 lbs. pressure 400° 3 3 3 3 2
 
Acetic Anhydride 70° 1 1 3 3 2
  Boiling 1 1 3 3 2
 
Acetic Acid Vapors, 30% Hot 3 2 3 3 3
100% Hot 3 3 3 3 2
 
Acetone Boiling 1 1 3 1 1
 
Acetyl Chloride Cold 2 2 3 2 1
  Boiling 2 2 3 2 3
 
Acetylene Concentrated 70° 1 1 1 3 1
Commercially Pure 70° 1 1 1 3 1
 
Acid Salt Mixture
10% H7SO4Sp, G 1.07+
10% CuSO4.5 H2O
Boiling 1 1 3 3 3
 
Alcohol, Ethyl, 70% & Boiling 70° 1 1 1 1 1
 
Alcohol, Methyl 70° 1 1 1 1 1
  (150°)
Boiling
3** 2 3 1 1
 
Aluminum Acetate, Saturated 70° &
Boiling
1 1 3 3 1
 
Aluminum Chloride
10% Quiescent 70° 3 3 3 3 2
25% Quiescent 70° 1 1 3 3 2
 
Aluminum Fluoride 70° 3 3 3 3 2
 
Aluminum Hydroxide, Saturated 70° 1** 1 1** 1 1
 
Aluminum Sulphate, 5% 150° 1** 1 3 3 1
10% 70° 1** 1 3 3 1
10% Boiling 2** 1 3 3 1
Saturated 70° 1** 1 3 3 1
Saturated Boiling 2** 1 3 3 1
 
Aluminum Potassium Sulphate
(Alum) 2%-10% 70° 1 1 3 2 2
10% Boiling 2 1 3 3 2
Saturated Boiling 3 2 3 3 2
 
Ammonia (Anhydrous)
All Concentration 70° 1 1 1 1 1
Gas Hot 3 3 3 3 -
 
Ammonia Liquor 70° 1 1 3 3 3
  Boiling 1 1 3 3 3
 
Ammonium Bicarbonate 70° 1 1 3 3 2
  Hot 1 1 3 3 2
 
Ammonium Bromide 70° 2 1 3 3 2
 
Ammonium Carbonate 1 & 5% 70° 1 1 1 3 3
 
Ammonium Chloride 1% 70° 1 1 2 3 1
10% Boiling 1** 1** - 3 2
28% Boiling 2** 1** - 3 2
50% Boiling 2** 1** - 3 2
 
Ammonium Hydroxide
All Concentrations
70° 1 1 2 3 3
 
Ammonium Monophospate 70° 1 1 2 3 2
 
Ammonium Nitrate
All Concentrate Agitated 70° 1 1 3 3 2
All Concentrate Aerated 70° 1 1 3 3 2
All Concentrate Saturated Boiling 1 1 3 3 2
 
Ammonium Oxalate 5% 70° 1 1 2 3 -
 
Ammonium Perchlorate 10% Boiling 1 1 2 3 -
 
Ammonium Persulphate 5% 70° 1 1 - 3 3
 
Ammonium Phosphate 5% 70° 1 1 2 3 3
 
Ammonium Sulphate
1% Aerated or Agitated
70° 1 1 3 3 2
 
Ammonium Sulphate
5% Aerated & Agitated 70° 1 1 3 3 2
10% Saturated Boiling 2** 1** 3 3 2
 
Ammonium Sulphate 70° & Boiling 70° 1 1 3 3 3
 
Amyl Acetate Concentrate 70° 1 1 2 1 1
 
Amyl Chloride 70° 1 1 3 2 2
 
Aniline
3% 70° 1 1 2 3 2
Concentrated Crude 70° 1 1 1 3 2
 
Aniline Hydrochloride 70° 3 3 - 3 3
 
Antimony Trichloride 70° 3 3 3 3 3
 
Barium Carbonate 70° 1 1 2 1 2
 
Barium 5% Saturated 70° 1 1 3 2 2
 
Barium Hydroxide
Aqueous Solution
Hot 1 1 2 - -
 
Barium Nitrate
Aqueous Solution
Hot 1 1 2 - -
 
Barium Sulphate
(Barytes-Blanc Fixe)
70° 1 1 - 1 2
 
Barium Sulfide Saturated Solution 70° 1 1 3 3 -
 
Benzene (Benzol) 70° or Hot 70° 1 1 2 1 2
 
Benzoic Acid 70° 1 1 1 1 -
 
Blood (Meat Juices) Cold 1** 1 3 - 2
 
Borax 5% Hot or Cold 1** 1 3 - 2
 
Boric Acid
5% Solution, 70° or Hot 70° 1 1 3 1 2
5% Solution Boiling 1 1** 3 1 2
Saturated Solution 70° 1** 1** 3 2 2
Saturated Solution Boiling 1** 1** 3 3 2
 
Bromine, Bromine Water 70° 3 3 3 3 3
 
Buttermilk 70° 1 1 3 3 2
 
Butyl Acetate - 1 1 2 - 2
 
Butyric Acid 5% 70-150° 1 1 3 2 2
 
Aqueous Soln Sp. G. .964 Boiling 1 1 3 3 2
Calcium Carbonate 70° 1 1 1 - 1
 
Calcium Chlorate
Dilute Solution 70° or Hot 1 1 2 - 2
 
Calcium Chlorate
Dilute or Concen. Solution 70° 2** 1** 3 2 3
 
Calcium Chlorohypochlorite
(Bleaching Powder) 1% 70° 3 3 3 2 3
  3 3 3 2 3
 
Calcium Hypochlorite, 2% 70° 2** 1** 3 2 3
 
Calcium Hydroxide, 10-20% Boiling 1 1 3 1 1
 
Calcium Sulphate, Saturated 70° 1 1 3 1 2
 
Carbonic Acid, Saturated Soln. 70° 1 1 3 1 3
 
Carbolic Acid C.P. 70° or Boiling 1 1 3 2 1
 
Carbonated Water - 1 1 3 2 3
 
Carbon Bisulfide 70° 1 1 2 2 2
 
Carbon Monoxide Gas 1400°
1600°
1 1 1 3 1
 
Carbon Tetrachloride
C.P. 70° 1 1 2 1 1
Dry C.P. Boiling 1 1 2 1 2
Commercial +1% Water - 3** 3 3 2 2
 
Carnallite-Cold Saturated Soln.
KCI-MgCI2-6H2O Boiling 3 1** - - -
 
Cellulose - 1 1 - - 1
 
Chloracetic Acid 70° 3 3 3 2 2
 
Chlorbenzol Conc. Pure Dry 70° 1 1 2 2 2
 
Chloric Acid 70° 3 3 3 3 3
 
Chlorine Gas (Dry) 70° 3 2 2 1 2
                         (Moist) 70° 3 3 3 3 3
 
Chloorinater Water, Saturated - 3** 2** 3
 
Chloroform 70° 1 1 1 1 1
 
Chromic Acid
5% C.P. 70° 1 1 3 3 3
10% 70° 3 2 3 3 3
 
Chromic Acid
10% C.P. Boiling 3 2 3 3 3
50% C.P. 70° 3 2 3 3 3
50% C.P. Boiling 3 3 3 3 3
Commercial 50%  (Cont. SO3) 70° 3 3 3 3 3
Commercial 50% (Cont. SO3) Boiling 3 3 3 3 3
 
Chromium Plating Bath 70° 1 1 2 - 3
 
Citric Acid, 5% Still 70-150° 1 1 3 1 2
15% Still 70° 1 1 3 2 2
15% or Concentrated Boiling 2 1 3 2 3
 
Coffee Boiling 1 1 3 1 1
 
Copper Acetate (Sat. Sol.) 70° 1 1 3 - 2
 
Copper Carbonate (Sat. Sol.) 50% NH40H - 1 1 - 3 -
 
Copper Chloride, 1% Agitated 70° 2** 1** 3 3 3
1% Agitated 158° 3 3 3 3 3
1% Aerated 70° 2** 1** 3 3 3
5% Agitated 70° 3** 2** 3 3 3
5% Aerated 70° 3** 3** 3 3 3
 
Copper Cyanide (Sat. Sol) Boiling 1 1 - 3 2
 
Copper Nitrate
1% Still, Agitated & Aerated 70° 1 1 3 3 3
5% Still, Agitated or Aerated 70° 1 1 3 3 3
50% Aqueous Solution Hot 1 1 3 3 3
 
Copper Nitrate
5% Agitated, Still or Aerated 70° 1 1 3 2 3
Saturated Solution Boiling 1 1 3 2 3
 
Creosote Oil Hot 1 1 2 2 2
 
Cyanogen Gas 70° 1 1 - - -
 
Dichloroethane (Dry) Boiling 1 1 3 3 2
 
Dinitrochlorobenzene Melted & Solidified 70° 1 1 3 - -
 
Dyewood Liquor 70° 1*** 1 3 - 22
 
Epsom Salt (Magnesium Sulfate) Hot &
Cold
1 1 3 1 2
 
Ethers 70° 1 1 2 1 2
 
Ethyl Acetate (Conc. Sol.) 70° 1 1 2 1 2
 
Ethyl Chloride 70° 1 1 2 2 1
 
Ethylene Chloride 70° 1 1 2 2 1
 
Ethylene Glycol 70° 1 1 2 1 1
 
Ferric Chloride
1% Solution Still 70° 2** 1** 3 3 3
1% Solution Boiling 3 3 3 3 3
5% Solution, Agitated, Aerated 70° 3 3 3 3 3
 
Ferric Hydroxide (Hydrated Iron Oxide) 70° 1 1 3 - 2
 
Ferric Nitrate
1%-5% Quiescent or Agitated 70° 1 1 3 3 3
1%-5% Aerated 70° 1 1 3 3 3
 
Ferric Sulphate
1%-5% Quiescent or Agitated 70° 1** 1 3 3 3
1%-5% Aerated 70° 1** 1 3 3 3
10% Boiling 1** 1 3 3 3
 
Ferrous Chloride
Saturated Solution
70° 3 1 3 2 -
 
Ferrous Sulphate Dilute Solution 70° 1 1 3 2 3
 
Fluorine (Gas) Moist 70° 3 3 3 3 3
 
Formaldehyde 40% Solution - 1** 1** 2 1 1
 
Formic Acid
5% Still 70° 2 1 3 2 2
5% Still 150° 2 1 3 2 3
 
Fuel Oil Hot 1 1 2 1 2
Containing Sulphuric Acid - 3 2 - 3 2
 
Furfural 70° 1 1 2 1 2
 
Gallic Acid, 5% 70-150° 1 1 3 - 2
Saturated 212° 1 1 3 - 2
 
Gasoline 70° 1 1 2 1 1
 
Gelatin - 1 1 3 1 1
 
Glue Dry 70° 1 1 1 2 2
Solution-Acid 70-140° 2** 1 2 3 2
 
Glycerine 70° 1 1 2 1 1
 
Hydrochloric Acid
All Concentrations
70° 3 3 3 3 3
 
Hydrocyanic Acid 70° 1 1 3 3 2
 
Hydrofluric Acid 70° 3 3 3 3 1
 
Hyrofluosilic Acid 70° 3 3 3 2 2
 
Hydrogen Peroxide 70° 1*** 1 3 3 2
  Boiling 2*** 1 3 3 2
 
Hydrogen Sulphide (Dry) 70° 1 1 2 1 3
(Wet) 70° 2*** 1*** 3 3 3
 
Hydposolphite Soda (Hypo) - 1 1 - - -
 
Ink 70° 2*** 1 3 3 1
 
Iodine 70° 3 3 3 3 3
 
Iodoform 70° 1 1 3 - 2
 
Kerosene 70° 1 1 2 1 2
 
Lactic Acid 1% 70° 1 1 3 2 2
1% Boiling 1 1 3 3 2
5% 70° 1 1 3 2 2
5% 150°
Boiling
2 1 3 3 2
10% 70° 2 1 3 2 2
10% 150°
Boiling
3 2 3 3 2
Concentrated 70° 2 1 3 2 2
Concentrated Boiling 3 2 3 3 2
 
Lead(Molten) 750° 2 2 - 3 3
 
Lead Acetate 5% Boiling 1 1 3 - 2
 
Linseed Oil 70° 1 1 2 2 1
Plus 3% H2SO4 390° 2 1 3 3 1
 
Magnesium Chloride
1% Quiescent 70° 1** 1 3 2 1
1% Quiescent Hot 3 2** 3 2 1
5% Quiescent 70° 1** 1 3 2 1
5% Quiescent Hot 3 2** 3 2 1
 
Magnesium Oxychloride 70° 3 2** 3 - -
 
Magnesium Sulphate Hot &
Cold
1 1 3 1 1
 
Malac Acid Hot &
Cold
2 1 3 - 2
 
Mash Hot 1 1 - - 2
 
Mayonnaise 70° 1** 1 3 - 2
 
Mercury - 1 1 1 3 3
 
Mercuric Chloride Dilute Sol. 70° 3 3 3 3 3
 
Methanol (Methyl Alcohol) - 1 1 2 1 1
 
Milk, Fresh or Sour - 1 1 3 1 2
 
Mixed Acids 53% H2SO4 = 45% HNO1 Cold 1 1 3 3 3
 
Molasses - 1 1 2 1 1
 
Muriatic Acid 70° 3 3 3 3 2
 
Mustard 70° 1** 1** 3 - 2
 
Naptha, Crude 70° 1 1 2 2 1
 
Naptha, Pure 70° 1 1 2 2 1
 
Naphthalene Sulfonic Acid 70° 1 1 3 - 1
 
Nickel Chloride Solution 70° 1** 1** 3 2 2
 
Nitrating Solutions Cold
& Hot
2 2 - 2 3
 
Nikel Sulphate Cold
& Hot
1 1 3 1 1
 
Niter Cake Fused 2 1 3 - 2
 
Nitric Acid
5%-50%-70% Boiling 1 1 3 3 3
65% 70° 1 1 3 3 3
65% Boiling 2 2 3 3 3
Concentrated 70° 1 1 3 3 3
Concentrated Boiling 3 3 3 3 3
Fuming Concentrated 70-
110%
1 1 3 3 3
Fuming Concentrated Boiling 3 3 3 3 3
 
Nitrous Acid 5% 70° 1 1 3 3 3
 
Oils, Crude Cold
& Hot
1*** 1*** A 2 1
 
Oleic Acid 70-400° 1** 1 2 2 2
 
Oxalic Acid
5%-10% 70° & Boiling 1 1 3 2 2
10% Boiling 3 3 3 2 2
25%-50% Boiling 3 3 3 2 1
 
Paraffine Cold
& Hot
1 1 2 1 1
 
Phenol (See Carbolic Acid)
 
Petroleum Ether - 1 1 2 - 2
 
Phosphoric Acid
1% 70° 1* 1* 3 3 2
1% Boiling 1 1 3 3 2
1%-45lbs. Pressure 284° 1 1 3 3 2
5% Quiescent or Agitated 70° 1 1 3 3 2
5% Aerated 70° 1 1 3 3 2
10% Quiescent 70° 3 1 3 3 2
10% Agitated or Aerated 70° 3 2 3 3 2
10%-50% Boiling 1 1 3 3 3
80% 70° 3 3 3 3 2
80% 230° 3 3 3 3 3
85% Boiling 3 3 3 3 3
 
Pictic Acid 70° 1 1 3 3 3
 
Potassium Bichromate, 25% 70° 1 1 - 3 2
25% Boiling 1 1 - 3 2
 
Potassium Bromide 70° 2** 1** 3 2 2
 
Potassium Carbonate 1% 70° 1 1 2 2 1
 
Potassium Carbonate Hot 1 1 2 3 1
 
Potassim Chlorate Sat. at 212° Boiling 1 1 2 3 3
 
Potassium Chloride
1% Quiescent 70° 1** 1** 3 2 1
1% Agitated or Aerated 70° 1 1 3 2 1
5% Quiescent 70° 1** 1** 3 2 1
5% Agitated or Aerated 70° 1 1 3 2 1
5% Boiling 1 1 3 2 1
 
Potassium Chromium Sulfate 5% 70° 1** 1 3 2 -
Sp. G. 1.6 Boiling 3 3 3 3 -
 
Potassium Cyanide 70° 1 1 2 3 2
 
Potassium Ferricyanide, 5%-25% 70° 1 1 3 - 2
25% Boiling 1 1 3 - 2
 
Potassium Ferrocyanide, 5% 70° 1 1 3 - 2
 
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Potassium Hydroxide, 5% 70° 1 1 2+ 2 1
27% Boiling 1 1 2+ 2 1
50% Boiling 2 1 3 2 1
 
Potassium Hypochlorite 70° 2 2 3 3 3
 
Potassium Nitrate            
1% - 5% Still or Agitated 70° 1 1 3 2 1
1% - 5% Aerated 70° 1 1 3 2 1
50% 70° 1 1 3 2 1
50% Boiling 1 1 3 - 1
Molten 1022° 1 1 3 - -
 
Potassium Oxalate - 1 1 - - -
 
Potassium Permanganate, 5% 70° 1 1 2 - 3
 
Potassium Sulphate            
1% - 5% Still or Agitated 70° 1 1 2 1 2
1% - 5% Aerated 70° 1 1 2 1 2
  Hot 1 1 3 1 2
 
Potassium Sulphide (Salt) - 1 1 3 - -
 
Pyrogallic Acid - 1 1 2 - -
 
Quinine Bisulphate (Dry) - 1 1 3 2 2
 
Sea Water 70° 1** 1** 3 2 1
 
Sewage - 1*** 1*** - 1 1
 
Silver Bromide - 2** 1** 3 3 -
 
Silver Chloride - 3 3 3 3 3
 
Silver Nitrate - 1 1 3 3 3
 
Soap 70° 1 1 2 1 1
 
Sodium Acetate (Moist) - 1** 1 3 - 2
 
Sodium Bicarbonate Cold & Hot          
All concentrations 70° 1 1 3 2 1
5% Still 150° 1 1 3 2 1
 
Sodium Bisulphate, Solution 70° 1*** 1*** 3 2 2
Saturated Solution 70° 3 3 3 2 2
2g + 1g H2SO4 liter 68° 3 1*** 3 2 2
 
Sodium Carbonate, 5% 70-150° 1 1 2 2 1
5%-50% Boiling 1 1 2 2 1
Molten 1650° 3 3 3 3 1
 
Sodium Chloride, 5% Still 70-150° 1** 1 3 2 1
20 % Aerated 70° 1** 1 3 2 1
Saturated 70° 1** 1 3 2 1
Saturated Boiling 2** 1 3 2 1
 
Sodium Cyanide 70° 1 1 2 3 -
 
Sodium Fluoride, 5% Solution 70° 2** 1** 3 1 1
 
Sodium Hydroxide 70° 1 1 2 2 1
 
Sodium Hypochlorite, 5% Still - 2** 1** 3 2 3
 
Sodium Hyposulphite 70° 1*** 1 3 - 1
 
Sodium Nitrate Fused 1 1 2 1 2
 
Sodium, Perchlorate, 10% 70° 1 1 - - -
  Boiling 1 1 - - -
 
Sodium Phosphate 70° 1 1 2 2 2
 
Sodium Sulphate, 5% Still 70° 1 1 3 1 1
All Concentrations 70° 1 1 3 1 1
 
Sodium Sulphide, Saturated - 2** 1 3 3 2
 
Sodium Sulphite, 5% 70° 1 1 3 2 2
10% 150° 1 1 3 2 2
 
Sodium Thiosulphate            
Saturated Solution 70° 1 1*** 3 3 1
Acid Fixing Bath (Hypo) 70° 1 1 3 3 2
25% Solution 70°  Boiling 1 1*** 3 3 2
 
Stannic Chloride Solution
Sp. G. 1.21
70°  Boiling 3 3 3 3 3
 
Stannous Chloride, Saturated - 3 1 3 - 3
 
Steam - 1 1 3 1 1
 
Stearic Acid 70° 1 1 3 2 2
 
Starch, Aqueous Solution - 1 1 - - 2
 
Strontium Hydroxide - 1 1 - - -
 
Strontium Nitrate Solution Hot 1 1 3 - 2
 
Sulphur, Moist 70° 2** 1** 3 3 2
Molten 266° 1 1 3 3 1
Molten 833° 3 3 3 3 3
             
Sulhur Chloride (Dry) - 3 3 3 1 2
             
Sulphur Dioxide Gas (Moist) 70° 2 1 3 2 3
Gas (Dry) 575° 1 1 3 1 2
             
Sulphuric Acid            
5%-10% 70° 3 2 3 2 3
5%-10% Boiling 3 3 3 3 3
50% 70° 3 3 3 3 3
50% Boiling 3 3 3 3 3
Concentrated 70° 1 1 3 2 3
Concentrated Boiling 3 3 3 2 3
Concentrated 300° 3 3 3 2 3
Fuming 70° 3 2 3 2 3
 
Sulphurous Acid, Saturated 70° 3 2 3 2 3
 
Saturated - 60 lb. Pressure 250° 3 2 3 2 3
Saturated - 70-125 lb. Pressure 310° 3 2 3 2 3
150 lbs. Pressure 375° 3 2 3 2 3
 
Sulphurous Spray 70° 3 3 3 3 3
 
Tannic Acid 70° 1 1 3 1 3
  150° 1 1 - 1 3
 
Tanning Liquor 70° 1 1 - - 1
 
Tar - 1 1 2 1 2
 
Tartaric Acid - 1 1 3 1 2
 
Tin Molten 3 3 3 3 -
 
Trichloracetic Acid 70° 3 3 3 2 3
 
Trichlorethylene (Dry) 70° 1** 1 3 1 1
(Moist) - - - - 2 -
 
Varnish 70° 1 1 2 1 1
 
Water - 1 1 2 1 1
 
Yeast - 1 1 - 3 1
 
Zinc Molten 3 3 3 3 3
 
Zinc Chloride, 5% Still 70° 1** 1** 3 3 2
  Boiling 2** 2** 3 3 2
 
Zinc Cyanide, Moist 70° 1 1 3 - -
 
Zinc Nitrate, Solution Hot 1 1 3 - -
 
Zinc Sulphate - 1 1 3 2 2

put table here

Lead Acetate 5%