At SQ Welding, we help energy, infrastructure, and industrial project teams keep builds running smoothly with compliant, no-fuss welding delivery.

Who we work with
Project managers, engineers, and inspectors in oil & gas, infrastructure, and renewable energy who need dependable welding support.

What we deliver

Coded Welding & Fabrication – Pressure pipe, structural steel to AS/NZS, ISO, and ASME standards.

Shutdown & On-Site Welding – Mobile crews ready for high-risk, high-pressure scopes, backed by MDRs and full QA documentation.

Welding Supervision & QA – Certified welding supervision (AS1796 Cert 10), procedure qualification, and traceability systems.

Hydrostatic Pressure Testing – Workshop or on-site hydro testing to verify integrity, identify leaks, and ensure your piping or vessels are safe and commissioning-ready.

Heavy Equipment Repair & Modification – Extending the life of critical plant and machinery in demanding environments.

Why clients choose us

Trusted by tier 1 energy companies for high-compliance assets.

Autonomous, site-ready crews who integrate seamlessly with project teams.

Documentation and traceability that satisfy audit, safety, and commissioning requirements.

Problem-solving culture that keeps timelines intact and risk under control.

From LNG retrofits to infrastructure shutdowns, we bring the systems, skills, and steady execution your project needs — so you can focus on the bigger picture.

SQ Welding – Welding without the fuss. Compliant. Capable. Trusted.

📞 enquiries@sqwelding.com.au | 🌐 www.sqwelding.com.au

SQ Welding

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SQ Welding

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