Quick Search


Tibetan singing bowl music,sound healing, remove negative energy.

528hz solfreggio music -  Attract Wealth and Abundance, Manifest Money and Increase Luck



 
Your forum announcement here!

  Free Advertising Forums | Free Advertising Board | Post Free Ads Forum | Free Advertising Forums Directory | Best Free Advertising Methods | Advertising Forums > Free Advertising Forums Directory > Miscellaneous Forums

Miscellaneous Forums This is a list of any forum that has a free advertising section but doesnt fit into the categories above.

Reply
 
Thread Tools Search this Thread Display Modes
Old 04-06-2011, 02:01 PM   #1
mbt7as29
First Lieutenant
 
Join Date: Mar 2011
Posts: 441
mbt7as29 is on a distinguished road
Default article8718

Existence Of Wrought Iron �? An Overview | A Business Article
As we know well, iron is one of the most abundant metals on earth without which plenty of things we use daily would not have been invented. Early iron workers really had a hard time working with it, since making it more malleable was essential to reduce the carbon content in it. For this,monster beats laptop, the metal has to be melted again and hammered in order to drive out carbon and other impurities. But anyhow, thanks to technological inventions, the process of extracting iron has become easy now-a-days. Wrought iron is nothing but "��worked out iron"�? that contains only a very less content of carbon in it. It is being used in the construction of several huge buildings, monument, churches, and monasteries. Even the world wonder Eiffel tower was constructed from a type of wrought iron.
Right from the existence of iron, a number of methods have been so far used for the extraction of wrought iron. Originally, the production method used was by smelting using bloomeries. It is a sort of furnace containing a pit and chimney with stone or clay walls for heat resistance. Once the bloomery was filled with charcoal and iron ore, it was lit and air was forced through the pipes to heat the mixture to just below the melting point of iron. With this, the impurities would melt and run off, and the carbon monoxide from the charcoal reduces the ore into iron in a sponge like mass. Later, this material was forged with hammers, which removed impurities in the process. During middle ages, this production method was barely in use, and iron workers started to rely on a much easier process. Water was used to power the bellows, thereby making the job simpler. They used the concept of blast furnace, with which the iron created was very brittle and needed to be refined.
Next came the period of using puddling furnace. It was considered in those days as the most successful way of creating wrought iron without the use of charcoal. Nineteenth century was the time at which there was an ultimate demand for stronger wrought iron. As a consequence, a new method to mass-produce puddle iron was brought into the industry. This new mass production of wrought iron created a metal with a higher tensile strength and a small increase in carbon content. The word "��wrought iron"�? is now-a-days commonly used to describe products that are actually made from mild steel. The higher the carbon content, less ductile is the iron and steel. Mild steel has the lowest carbon content of between. 05% and. 26% making it quite easy to work with. Wrought iron are currently used in manufacturing water pipes, railway couplings, nuts and bolts, fences, gates, wine racks and few other decorative iron works. Therefore, even if the manufacturing of wrought iron has experienced many changes over the centuries, the purpose they serve for is still the same by providing excellent and attractive products.
.
mbt7as29 is offline   Reply With Quote

Sponsored Links
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off


All times are GMT. The time now is 06:59 PM.

 

Powered by vBulletin Version 3.6.4
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Free Advertising Forums | Free Advertising Message Boards | Post Free Ads Forum