Heat Treatment

Our company is able to apply heat treatment processes through partnership to our heat treatment vendor’s according to international standards and to as per customer requests to dished heads and to the projects other than dished heads.

Intensive care and importance is given to the product during heat treatment. It is set according to raw material Grades, process of forming & Material simulation. We undergo various types of heat treatment in our various types of furnaces fired by Oil, Gas & Electric means with a maximum temperature of 1200 degrees celcius.

The furnaces and thermo couples are periodically calibrated by the 3rd parties accredited by TPI.

  • 1. Hardening
  • 2. Tempering
  • 3. Annealing
  • 4. Stress Relieving
  • 5. Normalizing


NISWPL is a multi product company in INDIA manufacturing complex shapes and profiles, Dish ends(vessel head), Toricone, Elbows and Bellows, Section Bending and other special formed & pressed components . As an organisation NISWPL along with its well trained and motivational group of people works with deep sense of belongingness and a tough bond commitment to organisational goals.

  • Oil & Gas
  • Hydro Power Plants
  • Aerospace Industry
  • Defence
  • Shipping Industry
  • Pharmaceutical

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