The brasses-copper alloys, Mechanical Engineering

The Brasses

70/30 brass also called as cartridge brass contains 70% copper and 30% Zinc. This is employed for cartridge cases, sheet fabrication, and condenser tubes and for usual purposes. Its superior tensile strength varies in between 350 and 600 N/mm2. This is soft and ductile in and annealed form can endure severe cold working.

60/40 brass of Muntz metal contains 60% copper and 40% Zinc. Its UTS varies in between 400 and 850 N/mm2. This is suitable for hot working operations and for casting also. Many marine fittings and cast valves are made out of such brass. Addition of 2% Pb enhances its machin-ability.

A minute addition of Fe, Al, Sn, Mn and Nickel to 60/40 brass enhances its strength considerably. Marine shafts and propellers pump rods, switch gears, autoclaves and high strength fittings are made out of those brasses.

Brazing alloys are in actual the brasses of 50/50 composition along with minute additions of Al, Mn and Sn. These brasses are hard and brittle.

 

Posted Date: 2/27/2013 1:17:01 AM | Location : United States







Related Discussions:- The brasses-copper alloys, Assignment Help, Ask Question on The brasses-copper alloys, Get Answer, Expert's Help, The brasses-copper alloys Discussions

Write discussion on The brasses-copper alloys
Your posts are moderated
Related Questions
(a) What do you mean by machinibility ? Discuss the factors which come into play while evaluating the machinability of any metal. Also describe machinability index. (b) Brass co


why constant volume line has more slop tha constant pressure line in T-S diagram

INTRODUCTION: Automobile service and maintenance is a very important function in the automobile industry for achieving highest level of customer satisfaction. Earlier it was confi

what is internal combustion engine

limitations of euler''s theory

hardness of bore well water is less than sea water .justif

A perfect gas flows through a nozzle when it expends in a reversible adiabatic manner, the inlet conditions are 22 bar,, 500 o c, 38 m/s. At exit the pressure is 2 bar. Evaluate th

In a sun and planet type gear, the annular gear (D) has 100 internal teeth, the sun gear (A) has 50 external teeth and a planet gear (B) has 25 external teeth. The gear (B) meshes

eXPLAIN THE GRAPHICAL IMPLEMENTATION OF TOOL PATH GENERATION