Bronze Castings
Manufacturer of Bronze Alloy Castings
We cast a variety of non-leaded bronze alloys for many different industries. All metals are alloyed in house using our SPECTROLAB metal analyzer to meet your exact specification. Applications range from power generation and glass container manufacturing to fluid flow and defense systems. Some of the components that we manufacture include gears, wafer check valves, gate valves, wear plates, and stem nuts.
Aluminum Bronze Castings (952, 953, 954, 955, 958)
These aluminum bronze alloys are wear resistant and exhibit good welding characteristics as well as exceptional mechanical properties. They withstand corrosion in many environments including seawater, chlorides, and dilute acids. These alloys are considered non-sparking and suitable for equipment designed to handle explosives, petroleum, chemical and gas products. Aluminum bronze alloys containing more than 10% aluminum can be heat treated to boost their mechanical properties.
Manganese Bronze Castings (862, 863, 865)
The strongest of all cast copper alloys, these alloys are used mainly for heavy duty mechanical products requiring moderately good corrosion resistance at a reasonable cost. These alloys not only have high tensile and yield strength, but can operate under very high loads and speeds which makes them a great alloy for your bearing needs.
Tin Bronze Castings (903, 905, 907, 911)
Tin bronze alloys are known for good corrosion resistance, reasonably high strength, good wear resistance, and a lower coefficient of friction when compared to steel. They are capable of accepting shock and impact loads, but with reduced surface speeds which makes them an excellent choice for high strength bushing and bearing applications as well as moveable bridge components.
Silicon Bronze Castings (873, 875)
These moderate strength alloys exhibit good corrosion resistance when submerged in liquids or chemicals. Applications range from bearings and gears to plumbing goods and intricately shaped pump and valve component manufacturing.
Proprietary Processes
Our proprietary degassing and static casting processes eliminate trapped gasses from the molten metal and assure uniform distribution of alloys throughout the entire casting process. All metals are alloyed and tested in-house using an optical emission spectrometry (OES) Spectrometer. Optional test bars and chemistry reports are available to meet the customer’s QS and ISO requirements.
Bronze Casting Material
- ASTM B148 – This Specification Establishes Requirements for Sand Castings Produced from Copper-Base Alloys
- AMS 2175 – This Specification Establishes Nondestructive Testing Methods, Sampling Frequency, and Acceptance Criteria for the Inspection of Metal Castings
- AMS 4860 – Manganese Bronze, Sand and Centrifugal Castings
- ASTM B427 – This Specification Establishes Requirements for Gear Bronze Alloy Castings
- ASTM B584 – Standard Specification for Copper Alloy Sand Castings for General Applications
- ASTM B763 – Standard Specification for Copper Alloy Sand Castings for Valve Applications
- MIL-B- 24480 – Military Specification Bronze, Nickel-Aluminum Castings for Seawater Service
- QQ-C- 390 – Military Specification Copper Alloy Castings
- MIL-B- 21230A – Military Specification, Bronze, Nickel Aluminum, and Manganese-Nickel Aluminum Castings, Ship Propeller Application
- MIL-B- 16540B – Military Specification, Bronze, Phosphor Castings
- MIL-STD- 2175A – Military Specification, Castings, Classification, and Inspection
- SAE 620 – Navy G Bronze, Tin Bronze
- SAE AMS 4871F – This Specification Covers an Aluminum Bronze Alloy in the Form of Centrifugal and Chill Castings
- ASTM B22 – Standard Specification for Bronze Castings for Bridges and Turntables
- ASTM B824 – Standard Specification for General Requirements for Copper Alloy Casting
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