Jul 16 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Other Designations
Fabrication
Applications
Introduction
UNS numbers C83300 to C85800 indicate cast red, yellow and leaded brasses, which are a category of copper alloys. Brass is derived when copper is alloyed with zinc. By varying the quantities of zinc and copper a range of brasses can be obtained with varying properties.
The following datasheet discusses the chemical composition and properties of copper UNS C83450.
Chemical Composition
The chemical composition of UNS C83450 copper alloy is outlined in the following table.
|
Element |
Content (%) |
|
Copper, Cu |
87-89 |
|
Zinc, Zn |
5.5-7.5 |
|
Tin, Sn |
2-3.5 |
|
Lead, Pb |
1.5-3 |
|
Nickel, Ni |
0.8-2 |
|
Iron, Fe |
0.3 |
|
Antimony, Sb |
0.25 |
|
Sulfur, S |
0.08 |
|
Phosphorous, P |
0.03 |
|
Silicon, Si |
0.005 |
|
Aluminum, Al |
0.005 |
Physical Properties
The following table discusses the physical properties of copper UNS C83450.
|
Properties |
Metric |
Imperial |
|
Density |
8.9 g/cm3 |
0.323 lb/in3 |
|
Melting point (solidus) |
860°C |
1580°F |
Mechanical Properties
The mechanical properties of UNS C83450 copper sand cast alloy (M01 – temper) are tabulated below.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
207 MPa |
30 ksi |
|
Yield strength |
97 MPa |
14 ksi |
|
Machinability |
75 |
75 |
Other Designations
Other designations that are equivalent to copper UNS C83450 include:
Fabrication
Welding - Soldering and brazing are considered as excellent welding options for copper UNS C83450. Oxyacetylene welding and gas shielded arc welding are rated as fair. Coated metal arc welding should be avoided.
Applications
Copper UNS C83450 finds use in:
-
Boat hardware
-
Water pump parts
-
Electrical hardware
-
Low pressure valve bodies
-
Plumbing and pipe fittings
-
Iron waterworks valve trim