Durgapur TMT Bar price list details for 2022 and 2023 are available here today. Durgapur Iron & Steel Company is the leading factory in West Bengal and its TMT bar, Rod or Saria are famous in Siliguri, Guwahati, Silchar, Assam, Kolkata, Dibrugarh, Tinsukia, Howrah and Allahabad.
Durgapur TMT Bar price list starts from Rs. 57.50/- per 8mm piece of a KG and one of its best product is Durgapur TMT 500 which is similar to Rashmi TMT.
In further reading, I will provide you full rate details of Durgapur TMT, see the chart below.
Table of Contents
Durgapur TMT Bar Price List 2022 and 2023 Chart
Here is a chart for price details of Durgapur TMT Bar, Rod or Saria.
|Durgapur TMT Bar Size||Price Per KG|
What is the Process of Steel/TMT Bar Production?
This article/process is inspired by Alliance for American Manufacturing.
Few fireworks displays are more spectacular than the drama that is stealing the story of hot metal and cold steel is fascinating from start to finish.
Especially when seen through the experienced eyes of United States steel for our company the story begins with a blast as rock explodes and the raw materials of Steel are tossed from the earth.
The rock is taconite and the prize inside is crude iron ore we get at it by grinding the rock to powder and separating the oar with powerful magnets then we form and heat the oil into marble sized pellets that will later be converted to iron from bituminous coal.
We create code to fuel the iron making furnaces we crush the cold seal it in airtight ovens bake for to hours and remove it from the oven as solid carbon fuels the fuel and pellets come together in the black.
Where we add just enough limestone to remove impurities from below a continuous blast of superheated air combust the coals intensifying the heat and change raw materials into the molten iron sometimes more than tons of it a day in our largest class price where it reaches a temperature of degrees Fahrenheit.
At regular intervals we tap this blistering brute into giant submarine ladles that ride on Rails to the basic oxygen char where iron will be turned into steel.
In this fast paced sequence up to tons of steel can be made to order in less than minutes we begin the steelmaking process by dumping recycled steel scrap into the basic oxygen furnace and adding hot iron sparks steal the show when high purity oxygen is blown into the mix at supersonic speeds and molten iron becomes molten steel.
Now we are ready to create the custom blends that make steel the most widely used metal on the planet in fact we produce over different chemistry’s to meet customer demand for cutting edge value added steel look for another show of sparks.
As we tap molten steel from the bottle into a ladle then for most of our steels it is on to the vacuum degassing where they are made highly formable the focus then shifts to forming and finishing which determine even more of the Steel’s characteristics.
The first step in this sequence is to position the ladle above a massive tundish or funnel that feeds a continuous caster containing molds that shape the steel.
The molten steel now at degrees Fahrenheit is channeled from ladle to tundish to caster where it cools to a red hot solid the shape of the mold determines the shape of the semi finished products that come out of the caster and since most US steel plants make sheet products most of our casters output slabs typically eight to nine inches thick and three to five feet wide as they exit the caster slabs are cut into sections up to feet long and stepped to await further processing then it s on to the hot strip mill this is what we begin transforming steel slab into steel sheet slabs are reheated to degrees Fahrenheit and descale before running through a series of roughing stands that make them thinner and longer.
Then they cycle through finishing stands where they are rolled even thinner finally they are cooled and rolled into coils that may be thousands of feet long but only fractions of an inch thick a far cry from the chunky rectangle that came out of the caster and the entire process is untouched by human hands controlled instead by operators using state of the art automated equipment in pulpits that overlook the action next we move to the pickle line where toils move through an acid bath that cleans the surface some of the emerging coils are shipped directly to customers as hot fans others are destined for applications.
That require special finishing beginning with cold rolling to make them even thinner at that point coils may be shipped or go on to one or more additional finishing processes coating to make the steel resistant to corrosion tinning to further reduce the gauge and add the tin coat we commonly see on canned goods annealing to make steel that is easier to bend and form and tempering that uses special rollers to add hardness and create surface textures and other special finishes.
In fact many of our products leave the finishing facilities as the industry s newest superstars lighter stronger highly engineered formable steels that were unheard of just a few short years ago no wonder the store of steelmaking stays so fresh with innovations that guarantee something new to see in each showing with product placements in our homes and high rises on our highways and in every other part of our daily lives and with a cast of thousands who continue to improve and perfect every step of the steelmaking process from shaped pellet to shift coil and beyond.
The History of Iron and Steel (TMT)
We take many of the things for granted these days, but as a materials engineer I have always found it incredible, how much we take materials for granted.
Everything we build is dependant on these materials. They are so significant that we have named entire periods of human history after them.
From the stone age to the information (space) age. They have all been made possible by the materials we have at our disposal and our mastery of their properties.
I have spoken about Aluminium and Silicon before. But today we are going to talk about one of the most influential periods in human history, the Iron Age.
Some of the earliest evidence of iron being used as a material goes back as far as 3500 BC in Egypt where beads of iron taken from a meteor were found.
Meteoric iron was a highly prized material due to it’s heavenly association. Tutankhamun was buried with a dagger made of the material, but meteoric iron was the only naturally occuring source of iron at the time, because Iron reacts readily with oxygen to form Iron ore.
There is no oxygen in space so meteors delivered this material to earth in a form humans could use without having the technology to extract it from it’s ore.
The Iron age began at various points across the world as humans started to learn how to extract Iron from its ore and it’s end date varies between regions too, in Britain the Iron age began around 800 BC and ended when the Roman’s invaded in 43 AD, marking the start of the Roman Age.
If we continued to define human history by the materials being mastered at that time, I would argue that the Iron age lasted right up until a little over 150 years ago, when steel was first mass produced.
Now while this era is called the Iron age, the best weapons at the time were made from steel.
You may not have known, but Iron and Steel are are mostly the same material.
The main difference between the Iron and Steel is the amount of carbon they contain.
Anything with a carbon content above 2% is cast iron. In general, a higher carbon content results in a harder and less ductile material.
Cast iron has a very high carbon content, which makes it very hard, but also very brittle. As iron started to become more popular more and more of the early bronze cannons were replaced with cast iron, as it was cheap to manufacture and could be fired more often without being damaged, but these material properties meant that cast iron cannons had a tendency to explode with no warning making them dangerous to operate.
Cast Iron is not suited for structural use either. In fact it’s use in bridges in the
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