Sep 27 2012
Topics Covered
IntroductionChemical CompositionPhysical PropertiesMechanical PropertiesOther DesignationsFabrication and Heat Treatment Machinability Welding Forging Hot Working Cold Working AnnealingApplications
Introduction
UNS C64200 Aluminium / aluminum silicon bronze alloy has good anti-galling and anti-seizing properties, free-machining properties, high corrosion resistance, and good hot formability. It is available as rod and flat products.
The following datasheets gives an overview of UNS C64200 bronze alloy.
Chemical Composition
The following table shows the chemical composition of UNS C64200 bronze alloy.
| Element |
Content (%) |
| Cu |
91.2 |
| Al |
7 |
Physical Properties
The physical properties of UNS C64200 bronze alloy are tabulated below.
| Properties |
Metric |
Imperial |
| Density |
7.89 g/cm3 |
0.285 lb/in³ |
| Melting point |
983°C |
1800°F |
Mechanical Properties
The mechanical properties of UNS C64200 bronze alloy are outlined in the following table.
| Properties |
Metric |
Imperial |
| Tensile strength |
517-703 MPa |
75000-102000 psi |
| Yield strength (depending on temper) |
241-469 MPa |
35000-68000 psi |
| Elongation at break (in 558.8 mm) |
32% |
32% |
| Machinability (UNS C36000 (free-cutting brass) = 100) |
60 |
60 |
| Poisson's ratio |
0.34 |
0.34 |
| Elastic modulus |
117 GPa |
17000 ksi |
Other Designations
Other designations that are equivalent to UNS C64200 bronze alloy include:
- ASME SB150
- ASME SB283
- ASTM B124
- ASTM B150
- ASTM B283
- ASTM F467
- ASTM F468
- SAE J461
- SAE J463
Fabrication and Heat Treatment
Machinability
The machinability rating of UNS C64200 bronze alloy is 60.
Welding
UNS C64200 bronze alloy can be welded using brazing, coated metal arc welding, gas shielded arc welding, seam welding, butt welding, and spot welding methods. It is suggested that soldering and oxyacetylene welding methods should not be used for welding this alloy.
Forging
TUNS C64200 bronze alloy can be forged at temperatures ranging from 705 to 872°C (1300 to 1600°F). Hot forgeability rate of UNS C64200 bronze alloy is 80.
Hot Working
UNS C64200 bronze alloy has good hot forming capacity.
Cold Working
UNS C64200 bronze alloy has poor cold working capacity.
Annealing
Annealing of the UNS C64200 bronze alloy can be performed at temperatures ranging from 594 to 705°C (1100 to 1300°F).
Applications
UNS C64200 bronze alloy is mainly used in valve and pump components for industrial process streams, high strength fasteners, marine equipment, and pole line hardware.