Keshree fe550 Steel Specifications | Quality Steel Bars

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A Driving Legacy

Keshree Metallurgies Private Limited is a part of the Kishore Group of companies, whose legacy dates back up to four decades. Pioneering in the sectors of consumer goods like detergents and toiletries with the flagship brand “ETA”, Kishore group of companies further diversified in steel making and construction.

Keshree Metallurgies Private Limited is one of the premier producers of quality steel in India. The company had its modest beginning in 1989 with a production capacity of 10,000 TPA of crude steel. Over the last two decades it has been constantly upgrading its capacity and has now reached a capacity of more than 100,000 TPA of rolled steel. From the manufacturing of steel ingots, KMPL has diversified into the manufacturing of steel billets and TMT bars.

Features of TMT Bars

SUPERIOR STRENGTH

Low levels of carbon in Keshree TMT Rebars ensures easier and faster welding without preheating. Thus making the steel stronger and safer weld joints & reduction in wastage during welding. The Finest Steel has to go through the Hottest Fire. Keshree Metallurgies Private Limited takes pride in its 550 TMT bars, 500 d TMT Bar, a TMT bar with high yield and tensile strength. A unique steel making and cooling process make them safer and more ductile.

RICH CHEMISTRY

Our TMT steel has low levels of Sulphur and Phosphorus as they lower the toughness of the steel. Our state of the art technology uses Induction furnace that ensures there is no compromise on the quality of steel.

Keshree TMT Steel Bars have been proven to have higher resistance to cyclic loading conditions and are recommended in the earthquake-prone areas due to their superior seismic resistance properties. High UTS and YS ratio and more percentage elongation signify that the steel is capable to strain harder, in the event of an earthquake

PURE STEEL

Due to the highly controlled process that ensures a microstructure with a soft Core, Keshree TMT Bars have excellent bendability, despite their strength, facilitating easy bending, making work easier and faster at the construction site.

The Steel here has excellent bonding with uniform and parallel rib pattern, this results in excellent strength and forms a strong bond with the concrete. The superior welding is done using the preheating method which reduces wastage. The low carbon equivalent means that the welding is easier yet stronger.

TECHNOLOGY

By implementing the state of art German technology being used globally to manufacture high quality TMT bars, Keshree Metallurgies Pvt Ltd. produces steel of higher strength, ductility, weldability, bonding and bendability, with the additional advantage of being anti-corrosive, earthquake & heat resistant.

The rolling mill at Keshree Metallurgies Pvt Ltd. is equipped with automatic machinery for even spaced and precise depth rib cutting. It is capable of cutting ribs at any angle or even enlarging ribs. The uniformity and precision of ribs cause the anchorage between steel and concrete to be much stronger. The load distribution will be uniform across the entire length of TMT bar, thus making the structure stronger.

Keshree TMT- Manufacturing Process

Iron Sourcing

Step 1

At Keshree, the billets are made through Induction Furnace & DRI route. Iron sourcing is done from the manufacturers of best quality gas based sponge ironwhich ensures best quality finished product.

Quenching

Step 3

A hot rolled bar leaves the final mill stand and is instantaneously quenched using a specially designed water cooling system which renders the outer surface of the bars cold while retaining the heat within the core. This is done to harden the surface while the core still remains hot and soft.

Steel Making

Step 4

State-of-the-art steel making technology using Induction Furnace, Direct-Reduced Iron, Continuous Casting Machine route producing clean steel billet, with very low levels of sulphur and phosphorus and very low levels of inclusion and tramp elements.

Self-tempering

Step 5

After leaving the quenching box, the core continues to supply heat to the surface since it is relatively at a higher temperature. This causes the tempering of the outer martensitic layer into a structure called Tempered Martensite. The core stays austenitic at this stage also.

Steel Rolling

Step 6

The Rolling Mill at the manufacturing facility uses state of the art technology to produce TMT of consistently high quality monitered with stringent testing and quality control.

Atmospheric cooling

Step 3

There are special cooling beds where the austenitic core gets transformed into a ductile ferrite-pearlite structure. Keshree TMT 550 Steel bars, thus is a perfect combination of a strong outside layer (tempered martensite) with a ductile core (ferrite and pearlite).