[MW:16341] RE: 16331] WHAT KIND OF WELDING?

It is not welding, it is Al Cladding sheets , used in insulation process joining by riveting .see

Riveting

Riveting is not a welding process but it deserves a place in any treatise on the art of joining metals because it is in such general use for that purpose. While it is true that riveting is rapidly being superseded in many cases by various welding processes, it will never be abandoned entirely and is therefore worthy of consideration here.

Details Of Process

The process of riveting consists in joining pieces of metal by means of rivets, which are short pieces of soft bars or rods with a head on one end. They are usually made of the same material as the pieces to be joined, such as steel, iron, copper, brass, aluminum, etc., and are used hot or cold as may be required. Steel and iron rivets for joining plates or other pieces of the same materials are usually red-hot when used; so they are easier to head over and will draw the pieces tightly together as they shrink while cooling. Rivets of softer materials are used cold.

Thanks

Mohamed

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Ashish Pathrabe
Sent: Wednesday, December 26, 2012 11:50 AM
To: materials-welding@googlegroups.com
Subject: [MW:16331] WHAT KIND OF WELDING?

 

Dear xperts

I highlighted red mark block on IMAGE.

 

Pls , explain why such type of welding are done..

 

My doubt is "Why elbow is not used in this of welding to minimise welding time ,welding cost etc.."

 

With regards,

 

Ashish P

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