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Alloy Specifications, Chemistries, and Technical Data

C83300 LEADED RED BRASS
Aliases
CDA NUMBER C83300
Common Name 131
Alias C833
Alias 833
Alias Contact Metal
Specification Composition
Minimum Maximum
Copper (Cu) 92 94
Tin (Sn) 1 2
Lead (Pb) 1 2
Zinc (Zn) 2 6
Copper + Sum of Named Elements 99.3
Specification Properties
(Heat Treat 'F' Denotes As Cast) Heat Treat State Minimum
Tensile Strength (ksi)
Yield Strength (.5% extension under load) (ksi)
Elongation (2 inch gauge length) (%)
Typical Properties
Heat Treat State Typical
Modulus of Elasticity (ksi) 15000
Hardness (Brinell) (HB @ 500kg) 35
Machinability (% of free cutting brass) 35
Melting Range (Liquidus-Solidus)(F) 1940-1886
Specific Heat (Btu/lb/F @ 68F) .09
Electrical Conductivity (% IACS @ 68F) 32
Density (lb/cu.in. @ 68F) .318
Patternmakers Shrinkage (in/ft) 3/16 - 1/4
Drossing Low
Gassing Medium
Fluidity Medium
Shrinkage Medium
Corrosion Resistance*
*While corrosion reistance is listed for food products, certain alloys may be unacceptable for other reasons.
Acetate Solvents Excellent Resistance
Acetic Acid, 20 % Acceptable
Acetic Acid, 50% Acceptable
Acetic Acid, Glacial Excellent Resistance
Acetone Excellent Resistance
Acetylene Explosive!
Alcohols Excellent Resistance
Aluminum Chloride Not Recommended
Aluminum Sulfate Acceptable
Ammonia, Moist Gas Not Recommended
Ammonia,Moisture-Free Excellent Resistance
Ammonium Chloride Not Recommended
Ammonium Hydroxide Not Recommended
Ammonium Nitrate Not Recommended
Ammonium Sulfate Acceptable
Aniline and Aniline Dyes Not Recommended
Asphalt Excellent Resistance
Barium Chloride Excellent Resistance
Barium Sulfide Not Recommended
Beer Acceptable
Beet Sugar Syrup Acceptable
Benzine Excellent Resistance
Benzol Excellent Resistance
Boric Acid Excellent Resistance
Butane Excellent Resistance
Calcium Bisulfite Acceptable
Calcium Chloride (acid) Acceptable
Calcium Chloride (alkaline) Not Recommended
Calcium Hydroxide Not Recommended
Calcium Hypochlorite Acceptable
Cane Sugar Syrups Acceptable
Carbon Dioxide, Dry Excellent Resistance
Carbon Dioxide, Moist Acceptable
Carbon Tetrachloride, Dry Excellent Resistance
Carbon Tetrachloride, Moist Acceptable
Carbonated Beverages Not Recommended
Chlorine, Dry Excellent Resistance
Chlorine,Moist Acceptable
Chromic Acid Not Recommended
Citric Acid Excellent Resistance
Copper Sulfate Excellent Resistance
Cottonseed Oil Excellent Resistance
Creosote Acceptable
Ethers Excellent Resistance
Ethylene Glycol Excellent Resistance
Ferric Chloride,Sulfate Not Recommended
Ferrous Chloride, Sullate Not Recommended
Formaldehyde Excellent Resistance
Formic Acid Excellent Resistance
Freon Excellent Resistance
Fuel Oil Excellent Resistance
Furfural Excellent Resistance
Gasoline Excellent Resistance
Gelatin Excellent Resistance
Glucose Excellent Resistance
Glue Excellent Resistance
Glycerine Excellent Resistance
Hydrochloric or Muriatic Acid Not Recommended
Hydrofluoric Acid Acceptable
Hydrofluosilicic Acid Acceptable
Hydrogen Excellent Resistance
Hydrogen Peroxide Not Recommended
Hydrogen Sulfide, Moist Not Recommended
Hydrogen Sulfide,Dry Not Recommended
Lacquer Thinners Excellent Resistance
Lacquers Excellent Resistance
Lactic Acid Excellent Resistance
Linseed Oil Excellent Resistance
Liquor, White Not Recommended
Liquor,Black Acceptable
Liquor,Green Not Recommended
Magnesium Chloride Excellent Resistance
Magnesium Hydroxide Acceptable
Magnesium Sullate Acceptable
Mercury, Mercury Salts Not Recommended
Milk Excellent Resistance
Molasses Excellent Resistance
Natural Gas Excellent Resistance
Nickel Chloride Excellent Resistance
Nickel Sulfate Excellent Resistance
Nitric Acid Not Recommended
Oleic Acid Acceptable
Oxalic Acid Acceptable
Phosphoric Acid Excellent Resistance
Picric Acid Not Recommended
Potassium Chloride Excellent Resistance
Potassium Cyanide Not Recommended
Potassium Hydroxide Not Recommended
Potassium Sulfate Excellent Resistance
Propane Gas Excellent Resistance
Sea Water Excellent Resistance
Soap Solutions Acceptable
Sodium Bicarbonate Excellent Resistance
Sodium Bisulfate Not Recommended
Sodium Carbonate Excellent Resistance
Sodium Chloride Excellent Resistance
Sodium Cyanide Not Recommended
Sodium Hydroxide Not Recommended
Sodium Hypochlorite Not Recommended
Sodium Peroxide Acceptable
Sodium Phosphate Excellent Resistance
Sodium Sulfate, Silicate Acceptable
Sodium Sulfite, Thiosulfate Not Recommended
Soduim Nitrate Acceptable
Stearic Acid Excellent Resistance
Sulfur Chloride Not Recommended
Sulfur Dioxide, Dry Excellent Resistance
Sulfur Dioxide, Moist Acceptable
Sulfur Trioxide, Dry Excellent Resistance
Sulfur, Solid Not Recommended
Sulfuric Acid, 78% or Less Acceptable
Sulfuric Acid, 78% to 90% Not Recommended
Sulfuric Acid, 90% to 95% Not Recommended
Sulfuric Acid, Fuming Not Recommended
Tannic Acid Excellent Resistance
Tartaric Acid Excellent Resistance
Toluene Excellent Resistance
Trichlorethylene, Dry Excellent Resistance
Trichlorethylene, Moist Excellent Resistance
Turpentine Excellent Resistance
Varnish Excellent Resistance
Vinegar Acceptable
Water, Acid Mine Not Recommended
Water, Condensate Excellent Resistance
Water, Potable Excellent Resistance
Whiskey Not Recommended
Zinc Chloride Not Recommended
Zinc Sulfate Excellent Resistance
Applications
Boat Hardware
Cable Holder
Electrical Hardware
Finger Clamp
Fire Equipment
Fittings
Gas
Generator Contact
Hydraulic Pressure Castings
Impellers
Injectors
Ornamental Fixtures
Plumbing Goods
Small Gears
Valves - Low Pressure Bodies
Valves - Trim
Valves - Vapor
Water Pump Parts
Great Castings
         St. Paul Foundry 954 Minnehaha Ave West St. Paul MN 55104 651-488-5567 www.stpaulfoundry.com
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St. Paul Foundry
954 Minnehaha Avenue West
Saint Paul, Minnesota 55104
(651) 488-5567  Fax: (651) 488-0908
Sales: (651) 312-4734 email

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Alloy Guide Sheet Terms of Use

Use Good Design Principles

1. St. Paul Foundry is providing this information on metal characteristics for informational purposes only. Before making a final decision on alloy selection consider the following and all other appropriate design and specification principles. Please note that this is not an exhaustive list.

2. Consult the appropriate specification from an accredited specifying body (ASTM, SAE, Federal or Military) to determine current minimum values of this alloy.

3. Use appropriate design safety factors.

4. Use Failure Modes and Effects Analysis to help identify possible weaknesses in designs and specifications.

5. Use computerized stress analysis tools.

6. Use appropriate certification requirements for your casting suppliers. These may include test bars, chemical certifications, radiography, dye penetrant or other non-destructive testing methods.

7. Test your design to failure in a controlled environment. Then test it to failure in a simulation of its end use.

8. You and you alone are responsible for the suitability of your design and the materials that you select.

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