joi, 5 iunie 2014

Concerning Welding And Its Different Kind

http://www.danscertifiedwelding.com/welding-types/
Concerning Welding And Its Different Kind
Welding is probably the most widely practiced means of joining metals together due to the efficiency and economy of the process. It's been estimated that about 50% of the Gross National Product of the United States arises from the activities which can be, in a few form or another, related, perhaps remotely, to welding. For instance, farming may appear to own nothing regarding welding, but the apparatus the farmer uses to cultivate and harvest crops may have used welding inside their manufacturing process.

Before the advent of the 20th century, welding was confined to blacksmith shops where two items of metal were heated to high temperatures in a forge and then hammered together before the joining occurred. It's this that is named forge welding. With the introduction of electricity into industrial processes, welding become both easier and quicker, and also more economical. Today, you can find four forms of welding techniques commonly used.

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