Aluminium / Aluminum Nickel Bronze UNS C63200 – Copper Alloy

Topics Covered

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

Introduction

UNS C63200 Aluminium / Aluminum nickel bronze alloy has high corrosion resistance and strength.

Chemical Composition

The following table shows the chemical composition of UNS C63200 copper alloy.

Element Content (%)
Cu 82
Fe 4
Al 9
Ni 5

Physical Properties

The physical properties of UNS C63200 copper alloy are tabulated below.

Properties Metric Imperial
Density 7.64 g/cc 0.276 lb/in3
Melting point 1040 - 1060°C 1900 - 1940°F

Mechanical Properties

The following table shows mechanical properties of UNS C63200 copper alloy.

Properties Metric Imperial
Hardness, Rockwell B 92 – 97 92 - 97
Tensile strength, ultimate (depending on amount of cold work or heat treatment) 640 - 725 MPa 92800 - 105000 psi
Tensile strength, yield (depending on amount of cold work or heat treatment) 330 - 380 MPa 47900 - 55100 psi
Elongation at break (in 50 mm, 18% reduction in area) 18% 18%
Modulus of elasticity 115 GPa 16700 ksi
Poisson’s ratio 0.32 0.32
Charpy impact (@ -29.0 - 20.0°C/ -20.2 - 68.0°F, V-notch) 23 - 27 J 17 - 19.9 ft-lb
Izod impact (@ -29.0 - 20.0 °C/ -20.2 - 68.0 °F) 13 - 16 J 9.59 - 11.8 ft-lb
Machinability (based on 100% machinability for UNS C360000) 30% 30%
Shear modulus 44 GPa 6380 ksi

Thermal Properties

The thermal properties of UNS C63200 copper alloy are outlined in the following table.

Properties Metric Imperial
CTE, linear (@ 20.0 - 300°C/ 68.0 - 572°F 16.2 μm/m°C 9.00 μin/in°F
Specific heat capacity 0.439 J/g°C 0.105 BTU/lb°F
Thermal conductivity (@ 20.0°C/ 68.0°F 36.0 W/m-K 250 BTU-in/hr-ft2°F
Solidus 1040°C 1900°F
Liquidus 1060°C 1940°F

Other Designation

Other designations that are equivalent to UNS C63200 copper alloy include:

  • ASTM B124
  • ASTM B150
  • ASTM B283

Fabrication and Heat treatment

Machinability

Machinability of UNS C63200 copper alloy is about 30%.

Welding

UNS C63200 copper alloy can be welded by using various welding methods such as gas shielded arc welding, spot welding, coated metal arc welding, soldering, butt welding, brazing, and seam welding.

Forging

Hot forgeability of UNS C63200 copper alloy is about 70%. This alloy can be forged at 815 to 899°C (1500 to 1650 °F).

Hot Working

UNS C63200 copper alloy has good hot working capacity.

Cold Working

UNS C63200 copper alloy has good cold working capacity.

Annealing

UNS C63200 copper alloy can be annealed at a temperature of about 621 to 705°C (1150 to 1300°F).

Applications

UNS C63200 copper alloy is mainly used in valve and pump components for industrial process streams, high strength fasteners, marine equipment, and pole line hardware.

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