Jul 10 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Fabrication
Applications
Introduction
Aluminum bronzes are a type of copper-bronze alloy where the key additive is aluminum rather than the usual tin. Copper UNS C95410 is an aluminum bronze casting alloy. This alloy has good wear resistance. The recommended casting methods include permanent mold, continuous, centrifugal, plaster, and sand.
The following datasheet discusses the chemical composition and properties of copper UNS C95410.
Chemical Composition
The chemical composition of UNS C95410 copper alloy is outlined in the following table.
|
Elements |
Content (%) |
|
Copper, Cu |
83 |
|
Aluminum, Al |
10.0-11.5 |
|
Iron, Fe |
3.0-5.0 |
|
Nickel, Ni |
1.5-2.5 |
|
Manganese, Mn |
0.5 |
Physical Properties
The following table discusses the physical properties of copper UNS C95410.
|
Properties |
Metric |
Imperial |
|
Density |
7.45 g/cm3 |
0.269 lb/in3 |
|
Melting point |
1025 - 1040°C |
1877 - 1900°F |
Mechanical Properties
The mechanical properties of copper UNS C95410 are tabulated below.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
515 MPa |
74700 ksi |
|
Yield strength |
205 MPa |
29700 ksi |
|
Modulus of elasticity |
110 GPa |
16000 ksi |
|
Poisson’s ratio |
0.34 |
0.34 |
|
Shear Modulus |
41 GPa |
5950 ksi |
|
Elongation at break |
8% |
8% |
|
Hardness, Brinell |
170 |
170 |
|
Hardness, Rockwell B |
83 |
83 |
Thermal Properties
The thermal properties of copper UNS C95410 are tabulated below.
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient (@20-300°C/68-572°F) |
16.2 µm/m°C |
9 µin/in°F |
|
Thermal conductivity (@20°C/68°F) |
59 W/mK |
409 BTU in/hr.ft².°F |
Other Designations
Other designations that are equivalent to copper UNS C95410 include:
-
ASTM B271
-
ASTM B505
-
ASTM B148
-
AMS 4871
Fabrication
Machinability - The machinability of copper UNS C95410 alloy is rated at 60.
Welding - Welding methods including soldering, brazing, gas shielded arc welding and coated metal arc welding are the best options for this alloy. Oxyacetylene welding is not recommended.
Applications
Copper UNS C95410 finds application in:
-
Worms
-
Bushings
-
Slides
-
Pump impellers
-
Pickling baskets
-
Valve seats and guides
-
Rolling mill slippers
-
Bearings and gears
-
Non-sparking hardware.