Brass Sand Casting Brass Sand Casting 4 Brass Sand Casting 3 Brass Sand Casting 2

Brass sand casting is a versatile and cost-effective method for producing Brass components. This process allows for the creation of complex shapes with good dimensional accuracy and surface finish. Brass, an alloy of copper and zinc, is prized for its corrosion resistance, aesthetic appeal, and machinability. We are one of the largest manufacturers suppliers and exporters of Brass castings from India and our Brass casting foundry in Jamnagar, India is well-equipped to supply Brass sand castings from 20 grams to 20 kilograms. We can also offer CNC machining of these Brass castings and can offer Chrome plating, Nickel plating and Tin plating where needed.

 

Brass Sand Casting method:

1. Green Sand Casting/ Black sand casting

Green sand casting is the most common method used for brass casting.

Process:

  1. Prepare the sand mixture (silica sand, clay, water, and additives)
  2. Create the mold by packing the sand around a pattern
  3. Remove the pattern, creating a cavity
  4. Add cores if necessary for internal features
  5. Pour molten brass into the mold
  6. Allow the casting to cool and solidify
  7. Break away the sand mold and remove the casting
  8. Perform finishing operations as needed

Advantages of Brass Sand Casting:

  • Low cost
  • Fast production
  • Suitable for both small and large quantities
  • Good for a wide range of brass alloys

2. Air Set Sand Casting

This method uses chemically bonded sand for improved accuracy.

Process:

  1. Mix sand with chemical binders
  2. Create the mold using the chemically bonded sand
  3. Allow the mold to cure (harden)
  4. Pour molten brass into the mold
  5. Allow to cool and solidify
  6. Break away the mold and remove the casting

Advantages:

  • Better dimensional accuracy than green sand
  • Improved surface finish
  • Suitable for more complex shapes
  •  

Brass Alloys for Sand Casting

Alloy Designation Common Name Composition Properties Mechanical Properties Typical Applications
C83600 85-5-5-5 or “Red Brass” 85% Cu, 5% Sn, 5% Pb, 5% Zn Good corrosion resistance, high strength, good machinability Tensile Strength: 234 MPa, Yield Strength: 117 MPa, Elongation: 20% Plumbing fixtures, marine hardware, pump impellers
C84400 81-3-7-9 or “Semi-Red Brass” 81% Cu, 3% Sn, 7% Pb, 9% Zn Good machinability, moderate strength, pressure tightness Tensile Strength: 221 MPa, Yield Strength: 110 MPa, Elongation: 25% Gears, bushings, valve bodies, general purpose castings
C85200 Yellow Brass 72% Cu, 1% Sn, 3% Pb, 24% Zn High ductility, good cold workability, fair corrosion resistance Tensile Strength: 303 MPa, Yield Strength: 152 MPa, Elongation: 35% Decorative hardware, low-pressure valves, ornamental parts
C86300 Manganese Bronze 60% Cu, 39% Zn, 1% Mn, trace Fe High strength, good wear resistance, moderate corrosion resistance Tensile Strength: 586 MPa, Yield Strength: 276 MPa, Elongation: 25% Gears, worm wheels, marine propellers, heavy-duty bushings
C87850 Silicon Brass 82% Cu, 14% Zn, 4% Si Excellent corrosion resistance, high strength, lead-free Tensile Strength: 379 MPa, Yield Strength: 193 MPa, Elongation: 20% Potable water applications, marine fittings, food processing equipment
C90300 Tin Bronze 88% Cu, 8% Sn, 4% Zn High corrosion resistance, good strength, wear resistance Tensile Strength: 310 MPa, Yield Strength: 152 MPa, Elongation: 25% Marine components, pump impellers, valve seats, gears
C92200 Navy M 88% Cu, 6% Sn, 1.5% Pb, 4.5% Zn Excellent corrosion resistance in seawater, good strength Tensile Strength: 276 MPa, Yield Strength: 138 MPa, Elongation: 20% Marine valves, propellers, pump casings, ship fittings
C93200 High-Leaded Tin Bronze 83% Cu, 7% Sn, 7% Pb, 3% Zn Excellent machinability, good bearing properties Tensile Strength: 241 MPa, Yield Strength: 124 MPa, Elongation: 20% Bearings, bushings, wear plates, thrust washers
C94300 High-Leaded Tin Bronze 70% Cu, 5% Sn, 25% Pb Exceptional machinability, low friction, self-lubricating Tensile Strength: 172 MPa, Yield Strength: 83 MPa, Elongation: 20% Heavy-duty bearings, sliding surfaces, bushings
C95400 Aluminum Bronze 85% Cu, 11% Al, 4% Fe High strength, excellent wear resistance, good corrosion resistance Tensile Strength: 586 MPa, Yield Strength: 241 MPa, Elongation: 18% Bearings, gears, marine propellers, pump components
C87500 Silicon Brass 80% Cu, 16% Zn, 4% Si Good strength, excellent corrosion resistance, lead-free Tensile Strength: 414 MPa, Yield Strength: 207 MPa, Elongation: 20% Valves, fittings, marine hardware, food processing equipment
C87800 Silicon Bronze 95% Cu, 1% Zn, 4% Si High strength, excellent corrosion resistance, good weldability Tensile Strength: 482 MPa, Yield Strength: 207 MPa, Elongation: 20% Marine fittings, architectural hardware, electrical components
C95500 Nickel-Aluminum Bronze 81% Cu, 9% Al, 5% Ni, 5% Fe Very high strength, excellent corrosion and wear resistance Tensile Strength: 724 MPa, Yield Strength: 310 MPa, Elongation: 15% Marine propellers, pump impellers, valve components, offshore applications
C97600 Leaded Nickel Bronze 64% Cu, 5% Sn, 2% Pb, 24% Zn, 5% Ni Good wear resistance, moderate strength, good machinability Tensile Strength: 310 MPa, Yield Strength: 152 MPa, Elongation: 25% Bearings, bushings, wear plates, pump components
C99500 High-Strength Yellow Brass 58% Cu, 39% Zn, 1.5% Mn, 1% Fe, 0.5% Sn High strength, good ductility, moderate corrosion resistance Tensile Strength: 517 MPa, Yield Strength: 241 MPa, Elongation: 20% Gears, sprockets, fittings, marine hardware

Typical Parts Cast in Brass

  1. Plumbing fixtures plumbing fittings(faucets, valves, pipe fittings)
  2. Shower and  Brass Hose fittings, Hose Nipples, Hose barbs and Couplings
  3. Marine hardware (propellers, rudders, Thru’ Hulls, strainers, boat fititngs,cleats)
  4. Decorative architectural elements (doorknobs, handrails, light fixtures)
  5. Industrial components (pump impellers, valve bodies, gears)
  6. Electrical components (switch housings, terminal blocks, hotline clamps, Vise connectors,)
  7. Automotive parts (radiator tanks, carburetor bodies)
  8. Bearing bushings and wear plates
  9. Hydraulic fittings and couplings
  10.   Brass Electrical connectors for outdoor switchgears

Applications of Brass Sand Castings

  1. Plumbing and Water Systems
    • Corrosion resistance and antimicrobial properties make brass ideal for water-contact applications
  2. Marine Industry
    • Excellent resistance to saltwater corrosion
  3. Automotive Sector
    • Used in radiators and various under-hood components
  4. Electrical and Electronics
    • Good electrical conductivity and corrosion resistance
  5. Architecture and Interior Design
    • Aesthetic appeal and durability for decorative elements
  6. Industrial Machinery
    • Wear resistance and machinability make brass suitable for various mechanical components
  7. Musical Instruments
    • Acoustic properties and workability are ideal for instrument manufacturing
  8. Oil and Gas Industry
    • Corrosion resistance and spark resistance in potentially explosive environments
  9. Aerospace
    • Used in various non-structural components due to its machinability and corrosion resistance

     

Brass sand casting offers a versatile and cost-effective method for producing a wide range of components across numerous industries. The choice of specific brass alloy depends on the required properties for each application, such as strength, corrosion resistance, or machinability.

 

Related Terms for : Brass sand casting

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