- Modernisation & Expansion
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Salem Steel Plant, a special steels unit of Steel Authority of India Ltd., pioneered the supply of wider width stainless steel sheets / coils in India. The plant can produce austenitic, ferritic, martensitic and low-nickel stainless steel in the form of coils and sheets with an installed capacity of 70,000 tonnes / year in Cold Rolling Mill and 1,86,000 tonnes / year in Hot Rolling Mill. In addition, the plant has country's first top-of-the-line stainless steel blanking facility with a capacity of 3,600 tonnes / year of coin blanks and utility blanks / circles.
|Cold rolled stainless steel flat product (Coils/Sheets/Blanks)||65000|
|Hot rolled stainless steel/carbon steel flat product (Coils/Sheets)||110000|
|Total Saleable Steel||175000|
Facilities & Capacity
|Hot Rolling Mill||
||Hot rolled Stainless Steel/ Carbon Steel Coils||186000|
|Cold Rolling Mill||
||Cold Rolled Stainless Steel Coils / Sheets
Hot Rolled Annealed and Pickled Stainless Steel Coils / Sheets
||Cold Rolled Stainless Steel Coin Blanks /Utility blanks||3600|
The plant is facilitated with Hot Rolling Mill which can roll both stainless and carbon steels and the mill caters mainly to the input needs of stainless steel coils for the cold rolling mills. Special grades of carbon steels other than structural steels are also rolled from the facility includes weathering steels, high strength low alloy steels, etc., which are extensively used in industrial sectors.
Hot Rolling Mill complex is equipped with walking beam reheating furnace, primary descaler, 4-hi reversing roughing mill, 4-high reversing Steckel Mill, down coiler, laminar cooling and roll grinding machines, procured from world renowned suppliers. The Steckel Mill, the mother unit of hot rolling with level-2 automation is provided with hydraulic gauge setting and automatic gauge control. The continuously variable crown (CVC) controls the profile and flatness by roll shifting and work roll bending system provide additional fine control of flatness of the strip.
Cold Rolling Mill complex is equipped with the most modern stainless steel production lines, sourced from leading manufacturers of the world. Coil build up line, bell anneal furnaces continuous annealing and pickling lines, Sendzimer mills, skinpass mill, strip grinding line, slitting and shearing lines to produce coils /sheets with precise dimensional tolerance and flatness with superior metallurgical characteristics.
Ferritic and martensitic stainless steel are annealed/softened at bell annealing furnaces and austenitic stainless steel is annealed/softened and descaled in continuous annealing and pickling lines using Ruthner neutral electrolytic pickling process and mixed acid pickling for superior surface finish. The coils are rolled in 20-high computerized Sendzimer mills to required dimensional tolerances. A 2-high skin pass mill with elongation control and constant hydraulic roll force system ensures a product of bright finish and high flatness. A shearing line with precision roller levelers, electronic flying shear and vacuum piler facilitates defect-free piling of the leveled cut sheets. Coils of narrow width and smaller weight are produced by a precision slitting line equipped with latest features like in feed car, grip feed device, tension pad and interchangeable slitters.
The shearing and slitting lines have online continuous marking system to make the products customer-friendly. Salem Steel Plant's cold rolling mill complex also includes a resquaring shear, a recoiling line, a packing line for slit products and wider coils.
In addition to the common No1, 2D and 2B finishes, a wide range of finishes including No.3, No.4, No.8 (mirror) and special finishes like Moon Rock, Chequered, Honeykom, Macromatt, Aqualine, Frondz, Mystique, Linen, Fabrique finishes are also produced as per requirement.
Expansion and modernisation of Salem Steel Plant is presently on. The plan envisages installation of Steel Melting and Continuous Casting facilities to produce 1,80,000 tonnes of slabs along with, expansion of Cold Rolling Mill complex, enhancing the capacity of Cold Rolled Stainless Steel Products from 65,000 TPA to 1,46,000 TPA and an additional Roll Grinding Machine for Hot Rolling Mill for increasing production to3,64,000 TPA.