
Role of PWHT in Heavy Engineering and Fabrication
Introduction Post Weld Heat Treatment (PWHT) is essential in heavy engineering industries to ensure the safety and durability of welded structures. Why PWHT Is Necessary
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sales@infinitythermotech.com
Talawade, Pune-412114
Infinity Thermotech Solutions Private Limited is a trusted provider of advanced heat treatment services in Pune, India, delivering consistent metallurgical quality for critical industrial components.
We specialize in controlled, repeatable, and process-driven heat treatment services using modern furnaces and advanced metallurgical practices. Our Pune-based facility enables fast turnaround, local support, and consistent quality, making us a preferred heat treatment partner for OEMs, fabricators, and component manufacturers.
Why industries trust us:
Our mission is to deliver reliable, high-quality heat treatment solutions that enhance product performance, durability, and safety. We strive to support critical industries by combining advanced technology, process excellence, and strict quality control—ensuring consistent results and long-term customer trust.
Our strength lies in our experienced and qualified team of engineers, technicians, and quality professionals. With deep industry knowledge and a commitment to continuous improvement, our team works collaboratively to meet precise customer requirements. applications.
Infinity Thermotech Solutions Private Limited. is officially certified by TÜV NORD CERT GmbH for maintaining a management system that meets the rigorous standards of ISO 9001:2015. This certification serves as a testament to our commitment to quality, precision, and continuous improvement in our specialized industrial operations.
Scope of Certification: Our certified processes cover the provision of various types of heat treatment services for Steel, Ferrous, and Non-Ferrous Alloys. Whether it is large-scale vertical pit processing or specialized hardening, our clients can trust in our adherence to international quality benchmarks.
Certification Details:
Certificate Registration No.: 44 100 22393800
Valid Until: 07.11.2028
Initial Certification: 08.11.2022
We deliver precision-engineered solutions for oil and gas operations, ensuring safety, durability, and efficiency. Our components meet global standards for demanding upstream and downstream applications.
Our valve industry solutions are designed for high performance, reliability, and long service life. We support critical flow control applications across industrial and process environments.
We provide advanced engineering solutions for aerospace and defence applications requiring accuracy and strength. Our manufacturing meets stringent quality and compliance standards for mission-critical use.
Our railway equipment solutions support safe, reliable, and efficient transportation systems. We manufacture components engineered to withstand heavy loads and continuous operational demands.
We specialize in heavy engineering equipment designed for strength, precision, and long-term performance. Our solutions serve large-scale industrial and infrastructure projects.
Our automotive solutions deliver high-quality components for performance, safety, and durability. We support modern vehicle manufacturing with precision-engineered products.
We provide heat treatment solutions for a wide range of materials:
Our processes ensure optimal microstructure and mechanical properties for each alloy type.
Carburising Hardening & Tempering – Enhanced surface hardness with tough core properties Carbonitriding Hardening & Tempering – Improved wear resistance for medium-carbon steels Nitriding – Distortion-free surface hardening with superior fatigue strength Nitrocarburising – Improved tribological and corrosion properties
Solution Annealing Services – Restoring corrosion resistance in stainless steels Precipitation Hardening – High strength with dimensional stability Aged Hardening – Controlled aging for nickel-based and specialty alloys
PWHT (Post Weld Heat Treatment) – Stress reduction & weld integrity improvement Plasma Ion Nitriding – Precise case depth with low distortion Vacuum Heat Treatment – Clean, oxidation-free processing Stress Relieving – Reduction of residual stresses in fabricated components
We combine advanced technology, skilled expertise, and strict quality control to provide heat treatment services that meet exact specifications and industry standards—right the first time.
Every batch undergoes strict process monitoring, controlled heating cycles, and documented procedures to ensure:
Fill all information details to consult with us to get sevices from us
We offer carburising, carbonitriding, nitriding, nitrocarburising, vacuum heat treatment, PWHT, plasma ion nitriding, stress relieving, solution annealing, and precipitation hardening services in Pune.
Yes, we specialize in stainless steel hardening, solution annealing, age hardening, and nickel alloy heat treatment, including nickel aluminium bronze.
Yes, we provide post weld heat treatment (PWHT) to reduce residual stresses and improve weld integrity.
Our facility is located in Pune, India, enabling quick turnaround and local support.
You can call us, WhatsApp us, or submit the contact form to receive a customized quotation.

Introduction Post Weld Heat Treatment (PWHT) is essential in heavy engineering industries to ensure the safety and durability of welded structures. Why PWHT Is Necessary

Introduction Selecting the right heat treatment process is essential for achieving optimal component performance. Carburising and nitriding are two widely used surface hardening methods, each

Introduction Heat treatment plays a critical role in modern industrial manufacturing by enhancing the mechanical properties of metals. From improving hardness to increasing fatigue resistance,