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

Material requisition for quotation procedure, The Mechanical Design Enginee...

The Mechanical Design Engineer/Specialist shall be responsible for mechanical design calculations that are required to ensure that the end product complies with all applicable code

Calculate values of the yield strength, Your company received an order to m...

Your company received an order to machine a batch of 150 steel parts that are 73.0 mm in diameter and 250 mm in length. One of the processes is a finish turning operation. Where th

Evaluation the enthalpy of steam - thermodynamics, Evaluatio n the Enthalp...

Evaluatio n the Enthalpy of Steam: Let h f   = Heat of liquid or sensible heat of water in KJ/kg h f g   = Latent heat of vaporization of steam in KJ/kg t

Illustrate the explanation of nc machine tools, Illustrate the Explanation ...

Illustrate the Explanation of NC Machine Tools? Numerical control (NC) is considered to be an improved control for machine tools that provides higher productivity. Today indust

Describe cold extrusion, Q. Describe Cold extrusion? • Cold extrusio...

Q. Describe Cold extrusion? • Cold extrusion is done at room temperature or near room temperature. • The advantages of this over hot extrusion are the lack of

What are the conditions where combined footings used, What are the conditio...

What are the conditions where combined footings used? Two conditions in which it is used are as: a. When an exterior column is immediately adjacent to a property or mechanic

Concept of process - thermodynamics, Concept of process - Thermodynamics: ...

Concept of process - Thermodynamics: A process can be defined as change in the state or condition of a substance or working medium. For instance, heating or cooling of thermod

Calculate the thickness of insulation, A hot gas at 300°C flows through a l...

A hot gas at 300°C flows through a long metal pipe 100mm outer diameter and 3mm thick. From the standpoint of safety and energy conservation, mineral wool insulation of thermal con

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