CORROSION DATA
The ratings in this ranking were created using information provided by raw material suppliers, scientific journals, and industry applications. This data should be seen as a starting point for estimation, although it is not a guarantee.
Fluid velocity, abrasion, and the effects of mixing fluids must all be taken into account. To assess suitability for a specific application, materials should be evaluated under real-world conditions. Unless otherwise mentioned, all data is for fluids at room temperature.
To see corrosion data in alphabetical order, click Following Alphabets.
1 = Excellent
2 = Good
3 = Fair
4 = not recommanded
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| A Series | |||||||||
| Acetaldehyde | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Acetale Solvents | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Acetic Acid (Aerated 0 to 50%) | 4 | 4 | 2 | 1 | 1 | 3 | 4 | 1 | 1 |
| Acetic Acid (Air Free 0 to 50%) | 4 | 4 | 3 | 1 | 1 | 3 | 4 | 1 | 1 |
| Acetic Acid (Aerated 55 to 100%) | 4 | 4 | 1 | 2 | 1 | 4 | 4 | 1 | 1 |
| Acetic Acid (Air Free 55 to 100%) | 4 | 4 | 2 | 2 | 1 | 2 | 2 | 1 | 1 |
| Acetic Anhydride | 4 | 4 | 2 | 2 | 1 | 2 | 2 | 1 | 1 |
| Acetone | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| Acetylene (Dry Only) | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | |
| Acrylonitrile | 3 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Alcohols Methyl, Ethyl | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Alcohol Amyl | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Alcohol Butyl | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Aluminum Chloride (Dry) | 4 | 4 | 3 | 3 | 2 | 3 | 3 | 1 | 1 |
| Aluminum Sulfate (Alums) | 3 | 3 | 2 | 1 | 1 | 1 | 2 | 2 | 1 |
| Alums | 3 | 3 | 2 | 1 | 1 | 2 | 1 | ||
| Amines | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Ammonia, Anhydrous | 2 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 1 |
| Ammonia (Aqueous) | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 1 |
| Ammonia Solutions | 2 | 2 | 1 | 1 | 1 | 2 | 1 | ||
| Ammonium Bicarbonate | 2 | 3 | 2 | 2 | 2 | 2 | 1 | ||
| Ammonium Carbonate | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Ammonium Chloride | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Ammonium Hydroxide (28%) | 3 | 3 | 2 | 2 | 2 | 4 | 4 | 1 | 1 |
| Ammonium Hydroxide (28%) | 3 | 3 | 2 | 2 | 2 | 4 | 4 | 1 | 1 |
| Ammonium Mono Phosphate | 4 | 4 | 2 | 2 | 2 | 3 | 1 | 1 | |
| Ammonium Nitrate | 4 | 4 | 1 | 1 | 1 | 4 | 4 | 2 | 1 |
| 1Ammonium Phosphate (Dibasic) | 4 | 4 | 2 | 2 | 2 | 3 | 2 | 1 | |
| Ammonium Phosphate (Tribasic) | 4 | 4 | 2 | 2 | 2 | 3 | 2 | 1 | |
| Ammonium Sulfate | 3 | 3 | 2 | 2 | 2 | 3 | 2 | 2 | 1 |
| Amyl Acetate | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Aniline | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Aniline Dyes | 3 | 3 | 1 | 1 | 1 | 1 | 1 | ||
| Antimony Trichloride | 4 | 4 | 4 | 4 | 3 | 2 | 2 | 2 | 1 |
| Apple Juice | 4 | 4 | 2 | 2 | 1 | 1 | 1 | ||
| Arsenic Acid | 4 | 4 | 2 | 2 | 2 | 4 | 1 | ||
| Asphalt Emulsion | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Asphalt Liquid | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| B Series | |||||||||
| Barlum Carbonate | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Barlum Chloride | 3 | 3 | 3 | 3 | 3 | 2 | 1 | 1 | 1 |
| Barium Hydroxide | 2 | 3 | 2 | 1 | 1 | 2 | 1 | 2 | 1 |
| Barium Sulfate | 3 | 3 | 2 | 2 | 2 | 2 | 2 | ||
| Barium sulfide | 3 | 3 | 2 | 2 | 2 | 3 | 1 | 1 | |
| Beer (Alcohol Industry) | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Beet Sugar Liquors | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Benzene (Benzol) | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 2 | 1 |
| Benzaldehyde | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Benzoic Acid | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Borax Liquors | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Boric Acid | 4 | 4 | 1 | 2 | 2 | 2 | 2 | 1 | 1 |
| Brines | 3 | 3 | 2 | 2 | 3 | 1 | 1 | ||
| Bromine (Dry) | 4 | 4 | 4 | 4 | 4 | 1 | 1 | 1 | 1 |
| Bromine (Wet) | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 1 | 1 |
| Bunker Oils (Fuel Oils) | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Butadiene | 2 | 2 | 1 | 1 | 1 | 3 | 1 | ||
| Butane | 2 | 3 | 2 | 2 | 1 | 1 | 1 | 1 | |
| Butylene | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Buttermilk | 4 | 4 | 1 | 1 | 1 | 4 | 1 | 1 | 1 |
| Butyric Acid | 4 | 4 | 2 | 2 | 2 | 3 | 3 | 1 | 1 |
| Calcium Bisulfite | 4 | 4 | 3 | 2 | 2 | 4 | 4 | 2 | 1 |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| C Series | |||||||||
| Calcium Carbonate | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Calcium Chloride | 3 | 3 | 3 | 2 | 2 | 1 | 1 | 1 | 1 |
| Calcium Hydroxide | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Calcium Hypochlorite | 4 | 4 | 3 | 3 | 3 | 3 | 4 | 2 | 1 |
| Calcium Sulfate | 3 | 3 | 2 | 4 | 2 | 2 | 2 | 1 | |
| Carbolic Acid | 4 | 4 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| Carbon Bisulfide | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Carbon Dioxide (Dry) | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Carbonic Acid | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Carbon Tetrachloride (Dry) | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 2 | 1 |
| Carbon Tetrachloride (Wet) | 4 | 4 | 2 | 2 | 2 | 2 | 1 | 1 | |
| China Wood Oil (Tung) | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Chlorinated Solvents | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | |
| Chlorine Gas (Dry) | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Chlorine (Wet) | 4 | 4 | 4 | 4 | 4 | 2 | 1 | ||
| Chloroacetic Acid | 4 | 4 | 3 | 3 | 3 | 2 | 1 | 1 | 1 |
| Chlorobenzene (Dry) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Chloroform (Dry) | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Chlorosulphonic Acid (Dry) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Chlorosulphonic Acid (Wet) | 4 | 4 | 4 | 4 | 4 | 3 | 1 | ||
| Chrome Alum | 2 | 2 | 1 | 1 | 1 | 2 | 1 | ||
| Chromic Acid | 4 | 4 | 3 | 3 | 2 | 4 | 4 | 2 | 1 |
| Citrus Juices | 4 | 4 | 2 | 2 | 1 | 2 | 1 | 1 | 1 |
| Coconut Oil | 3 | 3 | 2 | 2 | 2 | 2 | 1 | ||
| Coffee Extracts (Hot) | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Coke Owen Gas | 2 | 2 | 1 | 1 | 1 | 2 | 1 | ||
| Copper Acetate | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Copper Chloride | 4 | 4 | 4 | 4 | 4 | 3 | 4 | 2 | 1 |
| Copper Nitrate | 4 | 4 | 2 | 2 | 2 | 4 | 4 | 2 | 1 |
| Copper Sulfate | 4 | 4 | 2 | 2 | 1 | 2 | 2 | 1 | 1 |
| Corn Oil | 3 | 3 | 1 | 2 | 2 | 2 | 2 | 1 | |
| Creosote Oil | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 1 |
| Cresylic Acid | 4 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Crude Oil, Sweet | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Crude Oil, Sour | 3 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Cutting Oils, Water Emulsions | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Cyclohexane | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| D Series | |||||||||
| Diacetone Alcohol | 1 | ||||||||
| Diethylamine | 1 | 1 | 1 | ||||||
| Dowtherms | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Drilling Mud | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Drip Cocks, Gas | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Dry Cleaning Fluids | 2 | 2 | 1 | 1 | 1 | 2 | 1 | ||
| Drying Oil | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| E Series | |||||||||
| Epsom Salt | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | |
| Ethane | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Ethers | 2 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 |
| Ethyl Acelate |
3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Ethyl Acrylate |
1 | 1 | |||||||
| Ethyl Chloride (Dry) |
2 | 2 | 1 | 1 | 1 | 2 | 1 | 2 | 1 |
| Ethyl Chloride & ethyl fluoride (Wet) | 4 | 4 | 3 | 3 | 1 | 2 | 2 | 1 | |
| Ethylene Glycol | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Ethylene Oxide | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| F Series | |||||||||
| Fatty Acids |
4 | 4 | 2 | 1 | 1 | 2 | 2 | 1 | 1 |
| Ferric Chloride |
4 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 1 |
| Ferric Nitrate |
4 | 4 | 2 | 2 | 1 | 4 | 4 | 2 | 1 |
| Ferric Sulfate |
4 | 4 | 2 | 1 | 1 | 4 | 4 | 2 | 1 |
| Ferrous Chloride |
4 | 3 | 4 | 4 | 3 | 3 | 4 | 2 | 1 |
| Ferrous Sulfate |
4 | 4 | 2 | 1 | 1 | 4 | 4 | 2 | 1 |
| Fertilizer Solutions |
3 | 2 | 2 | 2 | 2 | 2 | 1 | ||
| Fluorine (Dry) |
2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Fluorosilicic Acid |
4 | 4 | 2 | 2 | 2 | 1 | 2 | 2 | 1 |
| Food Fluids And Pastes |
3 | 3 | 1 | 1 | 1 | 1 | 1 | ||
| Formaldehyde (Cold) |
2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 1 |
| Formaldehyde (Hot) |
4 | 4 | 2 | 2 | 1 | 2 | 2 | 2 | 1 |
| Formic Acid (Cold) |
4 | 4 | 3 | 1 | 1 | 2 | 2 | 1 | 1 |
| Formic Acid (Hot) | 4 | 4 | 3 | 2 | 2 | 2 | 2 | 1 | 1 |
| Freon (Dry) | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Fruit Juices | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| furfural | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 1 |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| G Series | |||||||||
| Galic Acid |
4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Gas, Manufactured |
2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 |
| Gas, Natural |
2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Gas, Odorizers |
2 | 2 | 2 | 2 | 2 | 2 | 1 | ||
| Gasoline |
2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Gasoline(Sour) |
2 | 2 | 1 | 1 | 1 | 1 | 4 | 1 | |
| Gelatin |
4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Glucose |
2 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Glue |
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Glycerine Or Glycerol |
2 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 |
| Glycols |
2 | 2 | 2 | 2 | 2 | 2 | 1 | ||
| Grease |
1 | 1 | 1 | 1 | 1 | 2 | 1 | ||
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| H Series | |||||||||
| Heptane | 2 | 2 | 1 | 1 | 2 | 2 | 1 | 1 | |
| Hexane | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | |
| Hexanol, Teritary | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Hydarulic Oil, Petroleum Base | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Hydrobromic Acid | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 1 |
| Hydrochloric Acid (Air Free) | 4 | 4 | 4 | 4 | 4 | 2 | 2 | 1 | 1 |
| Hydrocyanic Acid | 3 | 3 | 2 | 2 | 1 | 2 | 2 | 2 | 1 |
| Hydrofluoric Acid | 4 | 4 | 4 | 4 | 3 | 2 | 2 | 2 | 1 |
| Hydrogen Gas (Cold) | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Hydrogen Peroxide (Dilute) | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Hydrogen Peroxide (Conc) | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Hydrogen Sulfide (Dry) |
2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 1 |
| Hydrogen Sulfide (Wet) | 4 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Hydrofluosilicic Acid | 4 | 4 | 3 | 3 | 2 | 2 | 1 | ||
| Hypo (Sodium Thlosulfate) | 3 | 4 | 2 | 2 | 2 | 2 | 2 | 1 | |
| Hypochlorites, Sodium | 4 | 4 | 3 | 3 | 3 | 2 | 4 | 1 | 1 |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| I Series | |||||||||
| Ink | 4 | 4 | 2 | 1 | 1 | 2 | 1 | 2 | 1 |
| Iodine (wet) | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 2 | 1 |
| Iodeform |
3 | 2 | 1 | 1 | 1 | 3 | 2 | 3 | 1 |
| Iso-ocatane | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Isopropyl alcohol | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | |
| Isopropyl ether | 2 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| J Series | |||||||||
| Jet Fuel | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| K Series | |||||||||
| Kerosene |
2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Ketchup | 4 | 4 | 1 | 1 | 1 | 2 | 2 | 1 | |
| Ketones | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| L Series | |||||||||
| Lacquers (and Solvents) |
3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Lectic Acid (dilute Cold) |
4 | 4 | 2 | 1 | 1 | 4 | 2 | 1 | |
| Lectic Acid (Dilute Hot) |
4 | 4 | 2 | 2 | 1 | 4 | 2 | 1 | 1 |
| Lectic Acid (conc Cold) |
4 | 4 | 2 | 1 | 1 | 4 | 2 | 1 | 1 |
| Lectic Acid (conc Hot) |
4 | 4 | 2 | 2 | 1 | 4 | 2 | 1 | |
| Lerd Oil |
3 | 3 | 1 | 1 | 1 | 2 | 1 | 1 | |
| Lead Acetate |
4 | 4 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Linolelc Acid |
2 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | |
| Linseed oil |
1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 1 |
| LiquefiedPet. Gas (LPG) | 2 | 2 | 2 | 2 | 2 | 2 | 1 | ||
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| M Series | |||||||||
| Magnesium Bisulfate | 2 | 2 | 1 | 1 | 1 | 2 | 1 | ||
| Magnesium Chloride | 4 | 3 | 2 | 2 | 3 | 3 | 3 | 3 | 1 |
| Magnesium Hydroxide | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Magnesium Hydroxide (Hot) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Magnesium Sulfate | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 1 | 1 |
| Maleic Acid | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Malic Acid | 4 | 4 | 1 | 1 | 1 | 2 | 1 | 1 | |
| Mayonnaise | 4 | 4 | 1 | 1 | 1 | 2 | 1 | 2 | 1 |
| Mercuric Chloride | 4 | 4 | 2 | 2 | 2 | 3 | 3 | 2 | 1 |
| Mercuric Cyanide | 4 | 4 | 2 | 2 | 2 | 2 | 1 | 2 | 1 |
| Mercury | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Methane | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Methyl Acetate | 2 | 1 | 1 | ||||||
| Methyl Acetone | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Methylamine | 2 | 2 | 2 | 2 | 2 | 3 | 1 | ||
| Methyl Cellosolve | 2 | 2 | 1 | 1 | 1 | 2 | 1 | ||
| Methyl Chloride (Dry) | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 1 |
| Methyl Ethyl Ketone | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Methyl Formate | 3 | 3 | 1 | 1 | 1 | 1 | 1 | ||
| Methylene Chloride (Dry) | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 1 |
| Milk | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Mine Waterads (Acid) | 4 | 4 | 2 | 2 | 2 | 2 | 1 | 4 | 1 |
| Mineral Spirits | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | |
| Mixed Acids (Cold) | 3 | 3 | 2 | 2 | 1 | 4 | 4 | 1 | |
| Molasses, Edible | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Molasses, Crude | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Murlatic Acid | 4 | 4 | 4 | 4 | 4 | 2 | 1 | ||
| Mustard | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| N Series | |||||||||
| Naphtha | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Naphthalene | 2 | 1 | 2 | 2 | 2 | 2 | 2 | 1 | |
| Nickel Ammonium Sulfate | 4 | 4 | 2 | 1 | |||||
| Nickel Chloride | 4 | 4 | 2 | 2 | 2 | 2 | 3 | 2 | 1 |
| Nickel Nitrate | 4 | 4 | 2 | 2 | 1 | 2 | 4 | 2 | 1 |
| Nickel Sulfate | 4 | 4 | 2 | 2 | 1 | 2 | 2 | 2 | 1 |
| Nicotinic Acid | 1 | ||||||||
| Nitric Acid (10%) | 4 | 4 | 1 | 1 | 1 | 4 | 3 | 2 | 1 |
| Nitric Acid (30%) | 4 | 4 | 1 | 1 | 1 | 4 | 3 | 4 | 1 |
| Nitric Acid (80%) | 4 | 4 | 1 | 1 | 1 | 4 | 3 | 2 | 1 |
| Nitric Acid (100%) | 4 | 4 | 1 | 1 | 1 | 4 | 3 | 2 | 1 |
| Nitric Acid Anhydrous | 1 | 1 | 1 | 1 | 1 | 4 | 4 | 4 | 1 |
| Nitrobenzene | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Nitrogen | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Nitrous Acid (10%) | 4 | 4 | 2 | 2 | 2 | 4 | 4 | 4 | 1 |
| Nitrous Gases | 3 | 2 | 1 | 1 | 1 | 4 | 1 | ||
| Nitrous Oxide | 3 | 2 | 2 | 2 | 2 | 4 | 4 | 4 | 1 |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| O Series | |||||||||
| Oils, Animal | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Oil, Cotton Seed | 3 | 3 | 2 | 2 | 2 | 2 | 1 | ||
| Oil, Fish | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Oils, Fuel | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Oils, Lube | 1 | 1 | 1 | 1 | 1 | 2 | 1 | ||
| Oils, Mineral | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Oil, Petroleum (Refined) | 2 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Oil, Petroleum (Sour) | 3 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Oil-Water Mixtures | 2 | 2 | 1 | 1 | 1 | 1 | |||
| Oleic Acid | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 1 |
| Oleum | 4 | 2 | 2 | 2 | 2 | 4 | 2 | 1 | |
| Olive Oil | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Oxygen | 4 | 4 | 2 | 2 | 2 | 2 | 3 | 2 | 1 |
| Oxalic Acid | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Ozone (Wet) | 3 | 3 | 1 | 1 | 1 | 1 | 1 | ||
| Ozone (Dry) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| P Series | |||||||||
| Paints And Solvents | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Palmitic Acid | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Palm Oil | 3 | 3 | 2 | 2 | 1 | 1 | 1 | ||
| Paraffin | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Paraformaldehyde | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Pentane | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Perchlorethylene (Dry) | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | |
| Petrolatum | 3 | 3 | 2 | 2 | 2 | 1 | 1 | ||
| Phenol (100%) | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| Phosphoric Acid (10%) Cold | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Phosphoric Acid (10%) Hot | 4 | 4 | 2 | 2 | 2 | 2 | 3 | 1 | 1 |
| Phosphoric Acid (50%) Cold | 4 | 4 | 2 | 2 | 2 | 2 | 3 | 1 | 1 |
| Phosphoric Acid (50%) Hot | 4 | 4 | 2 | 2 | 2 | 2 | 3 | 1 | 1 |
| Phosphoric Acid (85%) Cold | 4 | 4 | 2 | 1 | 2 | 2 | 1 | ||
| Phosphoric Acid (85%) Hot | 3 | 3 | 2 | 2 | 4 | 2 | 1 | ||
| Phihalic Acid | 3 | 3 | 1 | 1 | 2 | 2 | 2 | 2 | 1 |
| Phthalic Anhydride | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| Picric Acid | 4 | 4 | 2 | 2 | 2 | 3 | 4 | 2 | 1 |
| Pine Oil | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Pineapple Juice | 3 | 3 | 1 | 1 | 1 | 1 | 1 | ||
| Potassium Bisulfite | 4 | 4 | 2 | 2 | 2 | 4 | 4 | 4 | 1 |
| Potassium Bromide | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Potassium Carbonate | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 2 | 1 |
| Potassium Chlorate | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 2 | 1 |
| Potassium Chloride | 2 | 3 | 1 | 1 | 1 | 2 | 2 | 2 | 1 |
| Potassium Chloride | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Potassium Cyanide | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 1 |
| Potassium Dichromate | 1 | 1 | 1 | 1 | 1 | 2 | 1 | ||
| Potassium Diphosphate | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Potassium FerricyanidePotassium Ferrocyanide | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Potassium Hydroxide (Dilute Cold) | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 1 |
| Potassium Hydroxide (Dilute Hot) | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 1 |
| Potassium Hydroxide (To 70% Cold) | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 1 |
| Potassium Hydroxide (To 70% Hot) | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 2 | 1 |
| Potassium Iodide | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Potassium Nitrate | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Potassium Permanganate | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Potassium Sulfate | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Potassium Sulfide | 4 | 4 | 2 | 2 | 2 | 4 | 2 | 2 | 1 |
| Potassium Sulfite | 4 | 4 | 2 | 2 | 2 | 4 | 4 | 1 | |
| Producer Gas | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | |
| Propane | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Propyl Alcohol | 2 | 2 | 1 | 1 | 1 | 1 | 1 | ||
| Propylene Glycol | 2 | 2 | 2 | 2 | 2 | 2 | 1 | ||
| Pyrogaltic Acid | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Quench Oil | 2 | 2 | 1 | 1 | 1 | 1 | |||
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| Q Series | |||||||||
| No Records | |||||||||
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| R Series | |||||||||
| Resins and rosins | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 1 | |
| Road tar | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Roof pitch | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Rubber latex emulsions | 2 | 2 | 1 | 1 | 1 | 1 | |||
| Rubber solvent | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| S Series | |||||||||
| Salad Oil | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | |
| Salicyclic Acid | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Salt | 3 | 3 | 2 | 2 | 2 | 1 | 1 | ||
| Sea Water | 4 | 4 | 2 | 2 | 2 | 1 | 1 | 1 | |
| Shellac (Bleached) | 2 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Shellac (Orange) | 2 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Silver Nitrate | 4 | 4 | 2 | 1 | 1 | 4 | 2 | 1 | 1 |
| Soap Solutions (Stearates) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Sodium Acetate | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Sodium Aluminate | 3 | 3 | 2 | 1 | 2 | 1 | 2 | 2 | 1 |
| Sodium Bi Carbonate | 3 | 3 | 2 | 2 | 1 | 2 | 2 | 2 | 1 |
| Sodium Bisulfate (10%) | 4 | 4 | 2 | 1 | 1 | 2 | 2 | 2 | 1 |
| Sodium Bi Sulfite (10%) | 4 | 4 | 2 | 2 | 2 | 2 | 2 | 1 | |
| Sodium Borate | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | |
| Sodium Bromide (10%) | 4 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Sodium Carbonate | 2 | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 1 |
| Sodium Chlorate | 3 | 3 | 2 | 2 | 2 | 2 | 1 | ||
| Sodium Chloride | 3 | 3 | 2 | 2 | 2 | 1 | 1 | 2 | 1 |
| Sodium Chromate | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Sodium Cyanide | 2 | 1 | 1 | 1 | 1 | 2 | 3 | 2 | 1 |
| Sodium Fluoride | 4 | 2 | 2 | 2 | 2 | 2 | 4 | 2 | 1 |
| Sodium Hydroxide (Cold) 20% | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Hydroxide (Hot) 20% | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Hydroxide (Cold) 50% | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Hydroxide (Hot) 50% | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Hydroxide (Cold) 70% | 4 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | |
| Sodium Hydroxide (Hot) 70% | 4 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | |
| Sodium Hypochloride | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 1 | 1 |
| Sodium Metaphosphate | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | |
| Sodium Metasilicate (Cold) | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Metasilicate (Hot) | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sodium Nitrate | 2 | 2 | 1 | 1 | 1 | 2 | 2 | 1 | 1 |
| Sodium Perborate | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Sodium Peroxide | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Sodium Phosphate (Dibasic) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Sodium Phosphate (Tribasic)Sodium Silicate | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Sodium Silicate (Hot) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Sodium Sulfate | 2 | 2 | 2 | 1 | 1 | 2 | 2 | 2 | 1 |
| Sodium Sulfide | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Sodium Sulfide (Hot) | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Sodium Thiosulfate | 2 | 2 | 2 | 2 | 2 | 2 | 1 | ||
| Soybean Oil | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Stannic Chloride | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 2 | 1 |
| Stannous Chloride | 4 | 4 | 4 | 1 | 1 | 3 | 2 | 2 | 1 |
| Starch | 1 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Stearic Acid | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Stoddard Solvent | 2 | 2 | 2 | 2 | 2 | 2 | 1 | ||
| Styrene | 2 | 1 | 1 | 1 | 1 | 1 | 1 | ||
| Sugar Liquids | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sulfate, Black Liquor | 2 | 2 | 2 | 1 | 2 | 2 | 4 | 1 | 1 |
| Sulfate, Green Liquor | 2 | 2 | 2 | 1 | 2 | 2 | 2 | 2 | 1 |
| Sulfate, White Liquor | 3 | 3 | 2 | 1 | 2 | 3 | 2 | 1 | |
| Sulphur | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Sulphur Dioxide (Dry) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Sulphur Trioxide (Dry) | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Sulfuric Acid (0-7%) | 4 | 4 | 3 | 2 | 1 | 1 | 4 | 1 | 1 |
| Sulfuric Acid (20%) | 4 | 4 | 4 | 4 | 1 | 2 | 4 | 1 | 1 |
| Sulfuric Acid (50%) | 4 | 4 | 4 | 4 | 1 | 2 | 4 | 2 | 1 |
| Sulfuric Acid (100%) | 2 | 2 | 2 | 2 | 1 | 4 | 4 | 2 | 1 |
| Sulfurous Acid | 4 | 4 | 2 | 2 | 2 | 4 | 3 | 1 | 1 |
| Synthesis Gas | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| T Series | |||||||||
| Tall Oil | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 |
| Tannic Acid | 2 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
| Tartaric Acid | 2 | 4 | 2 | 1 | 2 | 2 | 2 | 2 | 1 |
| Tetraethyl Lead | 3 | 3 | 2 | 2 | 2 | 1 | 1 | ||
| Toluene Or Toluol | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Tomato Juice | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Transformer Oil | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Tributyl Phosphate | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Trichloroethylene | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 |
| Tung Oil | 2 | 2 | 1 | 1 | 1 | 3 | 1 | ||
| Turpentine | 2 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| U Series | |||||||||
| No Records | |||||||||
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| V Series | |||||||||
| Varnish | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Vegetable oil, edible |
2 | 2 | 1 | 1 | 1 | 2 | 1 | 2 | 1 |
| Vegetable oil, non-edible |
2 | 2 | 1 | 1 | 1 | 2 | 1 | 2 | 1 |
| Vinegar | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| W Series | |||||||||
| Water Distilled (Aerated) | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Water, Fresh | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Water, Sea | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Wax Emulsions | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Whiskey and Wine | 4 | 4 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| X Series | |||||||||
| Xylene (Dry) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| Y Series | |||||||||
| No Records | |||||||||
| Ductile Iron | Carbon Steel | S.S.304 | S.S.316 | Alloy 20 | Monel | Nickel | Hastealloy | FEP/PFA/PTFE | |
| Z Series | |||||||||
| Zinc Chloride | 3 | 4 | 4 | 4 | 1 | 2 | 2 | 2 | 1 |
| Zinc Hydrosulfite |
2 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 1 |
| Zinc Sulfate | 4 | 4 | 1 | 1 | 1 | 2 | 2 | 2 | 1 |
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