Welding Quality Policy

Uncompromising standards. Certified results.

Certified Welding, Documented Quality

At Petro Mechanical, quality isn’t just expected—it’s proven. Every weld we make is backed by a rigorous, third-party certified process built to meet or exceed AWS and ASME standards.

From high-pressure piping to structural fabrication, our certified crews follow procedures that deliver reliable, inspection-ready results every time.

Petro certified crews with equipment and vehicles at work site

What Sets Our Welding Program Apart

Certified Workforce

Third-Party Certified Welders

Every Petro welder must pass a practical exam administered by AWS QC1 Certified Welding Inspectors (CWIs). Certifications are maintained and updated regularly.

Code of Conduct

Centralized Record Access

All welder certifications, procedures, and projects are documented and ready to share with clients upon request.

Certified Workforce

Standards That Evolve

Our welding procedures are reviewed and revised in alignment with updated AWS and ASME standards to ensure continued compliance.

Code of Conduct

Worksite Drug-Free Policy

We uphold a third-party managed drug and alcohol program to protect jobsite safety and reliability.

Construction workers operating equipment

Welding Project Deliverable Package

For high-pressure and critical-path welding jobs, Petro provides a full documentation package, including:

We ensure everything is inspection-ready, from start to finish.




Qualification Standards

Our welders are qualified in the 6G position under ASME Section IX, with certifications specifically tailored for process piping (B31.3). Procedures include compliance with API RP 5C1 for casing welding and specialty work such as Hustle Head and well head prep.

PMS-SMAW-001
PMS-HH-WHP
PMS-WH-RP

Always Certified. Always Ready.

We train our teams regularly, verify compliance continuously, and deliver welding services that are safe, efficient, and built to perform under pressure.