Jan 2 2013
Topics Covered
Introduction
Chemical Composition
Application
Introduction
A master alloy is a combination of base metals such as copper, aluminum, or nickel, and one or two other elements of relatively higher percentage. It is a semi-finished product that is primarily manufactured for use as a raw material. Master alloys can be produced in many shapes.
Master alloys are mostly used in the metal industry. The two main applications are composition adjustment and structure control. These alloys are favored over pure metals as they are more economical, and save production time and energy as they melt faster in lower temperatures.
Copper-chromium master alloy has the main characteristics of copper, which is a soft, conductive, non-ferrous metal. Copper is also resistant to corrosion and ductile. The following datasheet will provide more details about the copper-chromium master alloy.
Chemical Composition
The following table shows the chemical composition of copper-chromium master alloy.
|
Element |
Content (%) |
|
Copper, Cu |
94-96 |
|
Chromium, Cr |
4-6 |
|
Iron, Fe |
0.05 max |
|
Manganese, Mn |
0.03 max |
|
Aluminum, Al |
0.02 max |
|
Silicon, Si |
0.02 max |
|
Lead, Pb |
0.02 max |
|
Antimony, Sb |
0.01 max |
|
Arsenic, As |
0.01 max |
|
Phosphorus, P |
0.007 max |
|
Sulfur, S |
0.005 max |
|
Tellurium, Te |
0.005 max |
|
Selenium, Se |
0.005 max |
|
Bismuth, Bi |
0.005 max |
|
Others |
0.13 max |
Application
Copper-chromium master alloy can be applied for precipitation hardening of alloyed copper.