Shielding gas-argon-advantages of argon, Mechanical Engineering

Argon


Argon is approximately one and one third times as heavy as air and ten times heavier than helium. Argon, after leaving the torch nozzle, forms a blanket over the weld area. ,Welding grade argon is refined to a minimum purity of 99.95 %. This isacceptable for TIG welding of most metals except for the reactive and refractory metals, for which a minimum purity of 99.997 % is required.


Advantages of argon.

 

  • Smoother, quieter arc action.
  • Reduced penetration & cleaning action when welding materials such as aluminium and magnesium.
  • Lower cost and greater availability.
  • Lower flow rates for good shielding.
  • Better cross draft resistance.
  • Easier arc starting due to low ionisation potential of 2.52 x 1G- 18J (15 JeV)
  • The reduced penetration of an argon shielded arc is particularly helpful in vertical or overhead welding since the tendency for the base metal to sag or run is decreased. 
Posted Date: 9/14/2012 8:44:49 AM | Location : United States







Related Discussions:- Shielding gas-argon-advantages of argon, Assignment Help, Ask Question on Shielding gas-argon-advantages of argon, Get Answer, Expert's Help, Shielding gas-argon-advantages of argon Discussions

Write discussion on Shielding gas-argon-advantages of argon
Your posts are moderated
Related Questions
Occupational Safety - Industrial Safety The bad and most debilitating experience related to work which a worker can have is a work-related accident or illness. Within the effe

An open belt connects two flat pulleys. The pulley diameters are 300 mm and 450 mm and the corresponding angles of Cap are 160 o and 210 o . The smaller pulley runs at 200 r.p.


Q. What is IFD in project management? The P&IDs now reflect the next intermediate stage of development and incorporate any changes requested by the Customer during the IFA revi

Calculate value of force: A 100N force that makes an angle of 45º with the horizontal x axis is to be replaced by the two forces, a horizontal force F and a second force

Due Diligent:   There are many literatures on sand blasting and manufacturing processes. Historically, sand blasting had been used for many tasks before. It was pretty famous

Explain the Electron Beam Machining Electron Beam Machining is the metal removal process by a high velocity focused stream of electrons which heats, melts and vaporizes the

This assignment will simulate large deformations (nonlinear geometry) and occurrence of necking and buckling due to static tensile and compressive loading of a given elastic-plasti

I have been tasked to design a web based automatic feature recognition system for a press brake bending machine, how do I go about It?

what is the meant by kleins construction?