From stainless steel to super alloys, Freitag delivers precision, compliance, and reliability for the most demanding projects.
At Freitag, welding isn’t just part of the job, it’s the foundation of safety, quality, and performance.
Each weld is guided by ASME Section IX standards and supported by more than 100documented and cross-verified procedures.
Our certified team follows exact specifications to deliver results that meet or exceed every compliance requirement.
“When precision and compliance matter most, Freitag delivers.”
Freitag’s welding program is built on consistency, traceability, and expertise. Our welders maintain qualification through ASME Section IX testing, with full documentation for each procedure and material.
This disciplined approach ensures every weld meets the highest industry standards — from the first spark to the final inspection.
36+ procedures for structural and energy infrastructure
40+ procedures for sanitary, chemical, and process systems
19+ procedures for defense and high-performance environments
5+ procedures for specialty and industrial applications
For more than 140 years, Freitag has supported the most regulated and high-performance sectors in the nation. Each project is guided by documented procedures, traceable materials, and a culture of uncompromising quality. From high-strength pipelines to sterile process systems, our welding expertise delivers certified precision — every time.
High-strength pipelines, power generation systems, and chemical processing infrastructure
Precision alloy welding for mission-critical and security-sensitive builds
Sanitary and corrosion-resistant welds for pharmaceutical, biotech, and food-grade environments
Certified welds for complex mechanical systems, fabrication, and large-scale facilities
“In life sciences, energy, and defense, precision isn’t optional — it’s expected. Freitag ensures every weld meets the exacting standards our partners rely on.”
140 years of reliability and craftsmanship trusted across industries.
ASME Sec. IX, AWS D18.1, and ASME BPE standards for sanitary and structural welds.
Over100 documented procedures for carbon, stainless, duplex, and high-nickel alloys.
Engineering, fabrication, and field services under one roof for total project control.
Every weld is traceable — every record verifiable.
In environments where purity and precision define success, Freitag’s certified welders apply orbital and sanitary TIG techniques to deliver contamination-free welds for pharmaceutical and biotechnological facilities. Our adherence to ASME BPE and AWS D18.1 ensures smooth internal surfaces, full purge control, and total documentation for every joint.
From sterile process piping to high-pressure steam systems, Freitag’s team delivers craftsmanship that meets the strictest standards in life-science manufacturing — where compliance and cleanliness are mission-critical.
Have a regulated project or sterile system to build?
Talk with Freitag’s certified welding specialists today.
For over a century, Freitag has been trusted to deliver work that stands the test of time.Today, that same craftsmanship extends to our certified welding division — ensuring safety, consistency, and unmatched technical performance in every project.
including manual, semi-automatic, and automatic processes, we ensure top-tier quality and reliability for your projects.
or 329,700 Linear inches (over 5 Miles) of top-quality ASME welds yearly, with shop capacity at 50%.
dedicated on average annually
to ensure your projects
are completed efficiently.
For more than 140 years, Freitag has combined craftsmanship and precision to meet the world’s toughest industrial challenges.
Submit your next project with confidence — backed by certified expertise and a legacy of excellence.
