High Silicon Bronze UNS C65500

Oct 25 2012

Topics Covered

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

Introduction

The high silicon bronze UNS C65500 has moderate strength and good corrosion resistance. The conductivity of UNS C65500 is lesser than the conductivity of unalloyed copper. The pr operties and applications of UNS C65500 copper alloy are similar to that of the C64200.

The following datasheet provides the chemical composition and the properties of UNS C65500.

Chemical Composition

The chemical composition of UNS C65500 copper alloy is given in the following table.

Element Content (%)
Cu 97.0
Si 3.0

Physical Properties

The following table gives the physical properties of UNS C65500.

Properties Metric Imperial
Density 8.8-8.94 g/cm3 0.317-0.323 lb/in³
Melting point 971°C 1780°F

Mechanical Properties

The mechanical properties of UNS C65500 copper alloy are outlined in the following table.

Properties Metric Imperial
Tensile strength Depending on temper Depending on temper
Yield strength Depending on temper Depending on temper
Poisson's ratio 0.34 0.34
Elastic modulus 117 GPa 16969 ksi

Other Designations

Related Stories

Equivalent designations to UNS C65500 include:

  • ASME SB315
  • ASME SB96
  • ASME SB98
  • ASTM B100
  • ASTM B105
  • ASTM B124
  • ASTM B283
  • ASTM B315
  • ASTM B432
  • ASTM B96
  • ASTM B98
  • ASTM B99
  • ASTM F467
  • SAE J461
  • SAE J463

Fabrication and Heat Treatment

Machinability

The machinability rate of UNS C65500 copper alloy is 30.

Welding

The preferred welding techniques of UNS C65500 are soldering, brazing, oxyacetylene welding, gas shielded arc welding, spot welding, coated metal arc welding, seam welding and butt welding.

Forging

UNS C65500 copper alloy is forged at a rating of 40.

Hot Working

UNS C65500 has excellent hot forming capacity.

Cold Working

UNS C65500 copper alloy has excellent cold forming characteristics.

Annealing

UNS C65500 is annealed at temperatures ranging between 482 and 704°C (900 and 1300°F).

Applications

The applications of UNS C65500 copper alloy include:

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

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