Shielding gases, Mechanical Engineering

Assignment Help:

SHIELDING GASES


Shielding gas is directed by the torch to the arc and weld pool to protect the electrode and the molten weld metal from atmospheric contamination. 


Argon and helium or mixtures of the two are the most common types of inert gas used for the shielding. Argon hydrogen mixtures are used for special applications. 


Related Discussions:- Shielding gases

English, what is law of gearing

what is law of gearing

Waste water treatment, Q. Waste Water Treatment? Typically, there are a...

Q. Waste Water Treatment? Typically, there are a number of waste water streams which need to be treated before disposal to land or water. Depending on the nature of contaminati

Calculation of seismic response loads, Q. Calculation of seismic response l...

Q. Calculation of seismic response loads? The seismic design requirements and the specification of criteria variables for the calculation of seismic response loads for the desi

Proell governor., how to solve numerical of proell governor

how to solve numerical of proell governor

Determine the excavation of soil, Determine the Excavation of soil Exc...

Determine the Excavation of soil Excavation of soil in open well foundations is done  by dredging with grab buckets or similar equipment. The volume of excavated soil always e

What is hopper unit, What is Hopper unit Two hydraulically operated fol...

What is Hopper unit Two hydraulically operated folding type hoppers are provided on the front side of the machine. The capacity of the hopper is 4.25 CM.

Carbon and low alloy steels for welding, Q. Carbon and Low Alloy Steels for...

Q. Carbon and Low Alloy Steels for Welding? All welding of pressure retaining equipment must be completed as per the respective code, typically ANSI/ASME B31.1 or Section VIII

Semi-active suspension systems, With an open loop system, the only way to m...

With an open loop system, the only way to modify the behaviour of the system is to modify the values of physical parameters in the system. For instance we can modify the damping co

Explain reaction turbine and impulse turbine, Differentiate Reaction turbin...

Differentiate Reaction turbine and Impulse turbine (steam turbines) (b) In a De Laval turbine, steam issue from the nozzle with a velocity of 850 m/s. The nozzle angle is 20 o C

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd