Topics CoveredIntroductionChemical CompositionPhysical PropertiesMechanical PropertiesThermal PropertiesOther DesignationsFabrication and Heat Treatment Machinability Welding Hot Working Cold Working AnnealingApplications
UNS C31600 leaded nickel-bearing bronze is an alloy containing copper, zinc and lead in specific amounts. It has excellent corrosion resistance and cold workability. C31600 alloy is generally stronger than C31400 alloy.
The following datasheet will discuss in detail about the UNS C31600 leaded nickel-bearing bronze.
The following table shows the chemical composition of UNS 31600 leaded bronze alloys.
The physical properties of UNS C31600 leaded bronze alloys are given in the following table.
The mechanical properties of UNS C31600 leaded bronze alloys are tabulated below.
|Yield strength (depending on temper)
|Elongation at break
|Modulus of elasticity (in 304.8 mm)
|Machinability (UNS C36000 (free-cutting brass) = 100%)
The thermal properties of UNS C31600 leaded bronze alloys are tabulated below.
|Thermal expansion coefficient (@20.0 - 300°C/ 68.0 - 572°F)
|Thermal conductivity (@20.0°C/ 68.0°F)
Other designations that are equivalent to UNS C31600 leaded bronze alloys include:
Fabrication and Heat Treatment
The machinability rate of C31600 leaded bronze alloys is 80.
C31600 leaded bronze alloys can be welded using soldering, brazing and butt welding. For this type of alloys, oxyacetylene welding, gas shielded arc welding, coated metal arc welding, seam welding and spot welding are not preferred.
C31600 leaded bronze alloys have poor hot working property.
C31600 leaded bronze alloys have good cold working property.
Annealing of C31600 leaded bronze alloys is performed at temperatures ranging from 427 to 649°C (800 to 1200°F).
The following are the major applications of UNS C31600 leaded bronze alloys:
- Architectural hardware
- Pole line hardware