Bronze fittings
Cast Bronze Fittings
Fittings produced as bronze castings and finished by machining, in a range of copper-alloy grades.
Overview
Many bronze fittings begin as castings: molten alloy is poured into a mould that forms the body shape, after which threads, sockets and sealing faces are machined. The alloy choice, the casting quality and the machining all influence pressure tightness and finished dimensions.
The specific casting process and foundry capability are confirmed by the company for each project; this page describes general considerations only.
Representative bronze fitting photography. Actual style, connection details and dimensions follow your specification.
Potential material grades
Cast fittings are commonly produced in leaded and unleaded copper alloys depending on the service. The grades below are the ones listed on this site; availability by fitting type is confirmed per inquiry.
- C83600 / C84400 – general fittings and valves
- C92200 – steam and valve service
- C95400 / C95500 / C95800 – aluminum and nickel-aluminum bronze
- C86300 – high-strength manganese bronze
- C89833 – lead-free option (verify)
Typical fitting configurations
Elbows, tees, crosses, couplings, unions, reducers, caps and plugs are common cast configurations. Complex or non-standard bodies are assessed against pattern and tooling needs.
Casting and machining considerations
Cast fittings need sound, pressure-tight castings with controlled porosity, plus machined threads or sockets. Wall thickness, section changes and machining allowances should be discussed at the drawing stage.
Dimensional requirements
State governing standard or drawing, size, thread or socket details and tolerances. Pattern or tooling requirements for custom shapes are confirmed with the company.
Inspection and documentation requirements
Typical requests include chemical analysis, dimensional inspection and pressure or leak testing. Which tests and documents can be provided is confirmed per inquiry.
- Material test certificate
- Dimensional report
- Pressure / leak test (if required)
Related materials and products
Not every grade is available in every fitting configuration; confirm availability for your size and fitting type.
C83600 Bronze Pipe FittingsThe standard 85-5-5-5 cast alloy for general-purpose bronze pipe fittings, valves and plumbing components.View details →
C92200 Steam / Valve Bronze FittingsA leaded tin-zinc bronze developed for steam and valve castings that need pressure tightness and reliable service in hot water and steam.View details →
C95400 Aluminum Bronze FittingsThe general-purpose cast aluminum bronze: high strength, excellent wear resistance and good corrosion resistance for heavy-duty parts.View details →
C95800 Nickel Aluminum Bronze FittingsThe principal cast nickel-aluminum bronze for sea-water service, valued for strength with strong resistance to corrosion, cavitation and erosion.View details →
C86300 Manganese Bronze FittingsA very high-strength cast “manganese bronze” (technically a high-tensile brass) for heavy-load gears, bearings and slow-speed components.View details → Also see: Bronze Fittings overview · Bronze Flanges · Grade Directory
Frequently asked questions
Do you operate your own foundry?
No claim about casting capability is made on this website. Process and capability are confirmed directly by the company.
Can you cast to my pattern or drawing?
Send your drawing or pattern details; feasibility is confirmed per inquiry.
What inspection is available?
Options are confirmed per order – list your requirements on the inquiry.
Need cast bronze fittings?
Share your grade, dimensions, quantity and technical requirements with our team.