The Kolhapur Steel Limited, a Kirloskar Group Company is a Steel Foundry situated on Pune-Bangalore Highway (NH-4).

The Kolhapur Steel Limited (TKSL) was established on 26th May 1965 and was then taken over by the Kirloskar Group (Kirloskar Brothers Limited) in September 2007.

TKSL was founded with a goal of providing high quality steel castings. Promoter’s foresight, hard work and systematic planning are instrumental in the company expansion from a mere 100 MT Steel Castings per annum to the present production of 6000 MT per annum in the weight range from 300 Kg to 14000 Kg (Single Piece).

In the process of expansion and to keep up with customer requirements, new machineries like LRF (ladle refining furnace) of 14 MT capacity, Induction furnaces of 12 and 8 MT, EOT cranes, Automatic Rapid Quenching Heat Treatment Furnace are installed and commissioned.

Our Foundry is approved by IBR (Indian Boilers Regulation Board) for Valves castings and is regularly supplying valve castings under IBR inspection. The Foundry is also approved by TÜV NORD for ISO 9001:2008 (QMS) and 14001:2004 (EMS).

TKSL specializes in the manufacture of a wide variety of castings. Our castings meet the most demanding product requirement in various sectors like pumps, valves, turbines (steam and hydro), marine, rubber machinery, mining and general engineering.

We use the latest technology and apply stringent testing procedures to ensure that all our components meet National and International standards and grades in Carbon Steel, Low and High Alloy Steel, Stainless Steel, Duplex and Super Duplex Steel.


  1. Capacity : 6000 MT per year
  2. Weight Range: From 300 Kg to 14000 Kg in single piece
  3. Total Covered Area: 18587 Sq. Mtr.
  4. Simulation Software: MAGMASOFT (5.3.0) and Pro-E (3D Model Software)
  5. Melting Furnaces: Induction Furnaces of 12 /08 /05 /05 /02 MT
  6. Metal Refining Furnaces: LRF (14 MT) and AOD (7 MT)
  7. Fully automated Rapid Quenching Heat Treatment Furnaces - 02 Nos. (14 and 10 MT)
  8. Well-equipped Chemical and Mechanical Laboratory
  9. Spectrometer (31 Channel)
  10. In-house Sand Testing Lab and Acid Pickling facility
  11. In-house Manual Pattern Shop and Large Pattern Storage Area
  12. In-house Machine Shop
  13. In-house Radiography (Iridium and Cobalt-60)
  14. In-house NDT facilities (UT, MPT and DPT)