St. Marys, Pennsylvania
Commercial Heat Treating & Steam Treating
Vulcan Thermal’s St. Marys facility provides comprehensive commercial heat treating services for manufacturers across Pennsylvania and the Northeast. Our capabilities include continuous heat treating, batch heat treating, and steam treating, supporting both high-volume and repeatable production requirements.
As the largest commercial steam treater in the United States, Vulcan Thermal brings unmatched experience, throughput, and process consistency, ensuring reliable oxide formation, corrosion resistance, and part quality for our customers.
Our combination of batch and continuous heat treating capacity allows customers to match the right process to their production volumes, materials, and delivery schedules, ensuring consistent metallurgical results and faster turnaround times.
Built for Performance and Growth
Strategically located in north-central Pennsylvania, the St. Marys facility enhances Vulcan Thermal’s processing capacity while delivering faster turnaround, lower freight costs, and consistent results.
The facility includes flexible batch heat treating systems and sizeable continuous heat treating capacity to support a wide range of part sizes, alloys, and production volumes. Its layout and equipment emphasize efficient material flow, process repeatability, and scalable growth, giving manufacturers confidence in securing long-term heat treating capacity.

Quality Systems & Metallurgical Expertise
To support demanding manufacturing requirements, Vulcan Thermal’s St. Marys, Pennsylvania facility includes a full metallurgical lab and is continuously monitored for process control and traceability. The operation is fully CQI-9 compliant and ISO 9001 certified, meeting the expectations of quality-driven customers in automotive, industrial, and other critical supply chains.
Services Offered:
With over 35 years of experience, Vulcan Thermal supports automotive, lawn and garden, industrial, and engineered component manufacturers with scalable, production-ready heat treatment solutions.


Why choose our st. Marys facility
Vulcan Thermal’s St. Marys facility is strategically located in north-central Pennsylvania to serve manufacturers across the Northeast. The location offers practical advantages that support efficient, dependable production:
Vulcan Thermal is actively accepting work at our St. Marys, PA facility, supporting manufacturers throughout Pennsylvania, New York, Ohio, New Jersey, and surrounding states.


