Low Silicon Bronze UNS C65100

Topics Covered

Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Electrical Properties
Other Designations
Fabrication and Heat Treatment
     Machinability
     Welding
     Forging
     Hot Working
     Cold Working
     Annealing
Applications

Introduction

UNS C65100 low silicon bronze alloy has good corrosion resistance and moderate strength. Applications and properties of this alloy are similar to that of UNS C64200 copper alloy.

The following datasheet gives an overview of UNS C65100 bronze alloy.

Chemical Composition

The following table shows the chemical composition of UNS C65100 bronze alloy.

Element Content (%)
Cu 98.5
Si 1.5

Physical Properties

The physical properties of UNS C65100 bronze alloy are tabulated below.

Properties Metric Imperial
Density 8.75 g/cm3 0.316 lb/in³
Melting point 1030°C 1890°F

Mechanical Properties

The mechanical properties of UNS C65100 bronze alloy are given in the following table.

Properties Metric Imperial
Elastic modulus 117 GPa 17000 ksi
Poisson’s ratio 0.34 0.34

Thermal Properties

The thermal properties of UNS C65100 bronze alloy are outlined in the following table.

Properties Metric Imperial
Thermal expansion co-efficient (@ 20-300°C/68-572°F) 18 µm/m°C 10 µin/in°F
Thermal conductivity (@ 20°C/68°F) 57 W/mK 396 BTU in/hr.ft².°F

Electrical Properties

The following table shows electrical properties of UNS C65100 bronze alloy.

Electrical Properties Metric Imperial
Electrical resistivity 0.0000144 Ω-cm 0.0000144 Ω-cm

Other Designations

Other designations that are equivalent to UNS C65100 bronze alloy include:

  • ASME SB315
  • ASME SB98
  • ASTM B105
  • ASTM B315
  • ASTM B432
  • ASTM B96
  • ASTM B98
  • ASTM B99
  • ASTM F467
  • ASTM F468

Fabrication and Heat Treatment

Machinability

The machinability rate of UNS C65100 bronze alloy is 30.

Welding

UNS C65100 bronze alloy can be welded using brazing, soldering, gas shielded arc welding, spot welding, oxyacetylene welding, butt welding, and seam welding methods.

Forging

UNS C65100 bronze alloy can be welded at temperatures ranging from 705 to 872°C (1300 to 1600°F).

Hot Working

UNS C65100 bronze alloy has good hot forming capacity.

Cold Working

UNS C65100 bronze alloy has good cold working capacity.

Annealing

UNS C65100 bronze alloy can be annealed at temperatures between 483 and 677°C (900 and 1250°F).

Applications

UNS C65100 bronze alloy can be used in the following applications:

  • Valve stems
  • Valve guides
  • Pole line hardware
  • Marine fittings
  • Fasteners

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