Topics CoveredIntroductionChemical CompositionPhysical PropertiesMechanical PropertiesThermal PropertiesOther DesignationsFabrication and Heat Treatment Annealing Cold Working Welding Forging Machinability Hot WorkingApplications
Architectural bronze alloys enhance the inside and outside appearances of buildings and last for a long time. They are available in many forms and are generally completed by waxing.
UNS C38500 architectural bronze alloys have a yellow-gold color. The following datasheet provides an overview of UNS C38500 bronze alloys.
The chemical composition of UNS C38500 architectural bronze alloys is outlined in the following table.
The following table shows the physical properties of UNS C38500 architectural bronze alloys.
The mechanical properties of UNS C38500 architectural bronze alloys are displayed in the following table.
|Hardness, Rockwell B (M30 temper)
|Tensile strength (M30 temper)
|Yield strength (@strain 0.500%, M30 temper)
|Elongation at break (in 50 mm, M30 temper)
|Machinability (UNS C36000 (free-cutting brass) = 100)
|Shear strength (M30 temper)
The thermal properties of UNS C38500 architectural bronze alloys are given in the following table.
|Thermal expansion co-efficient (@20-300°C/68-572°F)
|Thermal conductivity (@20°C/68°F)
||854 BTU in/hr.ft².°F|
Equivalent materials to UNS C38500 architectural bronze alloys are ASTM B455 alloys.
Fabrication and Heat Treatment
UNS C38500 architectural bronze alloys are annealed between 427 and 593°C (800 and 1100°F).
UNS C38500 bronze alloys have poor cold working capacity.
Brazing and soldering processes are recommended for UNS C38500 bronze alloys. Welding processes not recommended for these alloys include spot welding, gas shielded arc welding, seam welding, coated metal arc welding and oxyacetylene welding
UNS C38500 bronze alloys can be forged between 621 and 732°C (1150 and 1350°F).
UNS C38500 bronze alloys have a machinability rating of 90.
UNS C38500 bronze alloys have excellent hot forming capacity.
UNS C38500 architectural bronze alloys are used for trim and architectural hardware.