Welding Guides and Technical Articles
The questions clients and welders actually ask us — what the standards require, what the paperwork is for, and where fabrication projects come unstuck.
Most of these articles came out of real jobs: a client asking why a welding procedure needs its own qualification test, a welder failing 3G on the same mistake twice, or a package held up because the WPQR behind a WPS could not be produced. Nothing here is written to fill a keyword — if it is here, someone needed the answer.
Standards and procedures
2 guidesAS1554 Welding Procedures: The Basics
What AS/NZS 1554.1 actually requires, what a WPS and PQR must cover, and why a trade certificate is not a welder qualification.
Read guideWPQR vs WPS: What's the Difference?
The WPS tells the welder what to do; the WPQR (or PQR) proves it works. What each document contains, and the five an auditor asks for.
Read guideWelder qualification
3 guidesWhat Is 3G Welder Qualification?
What the vertical-up test proves, which standard applies, and how Perth welders get certified for structural work.
Read guidePreparing for the 3G Welding Test
Joint preparation, machine settings, technique, and the mistakes that fail otherwise capable welders.
Read guideWhat Is a 4F Welder Qualification?
Overhead fillet welding, the 1F–4F ladder, and the range of qualification — a 4F test covers 1F, 2F and 4F.
Read guideTesting and inspection
3 guidesThe Importance of Weld Testing
Destructive and non-destructive methods, what each one proves, and when a project needs them.
Read guideNDE Testing in Welding Explained
Visual, MPI, UT and RT — what each method finds, and how NDE fits into AS1554 project compliance.
Read guideWelding Inspection Services Explained
What welding inspection covers, when to bring in an independent inspector, and the documentation a project needs.
Read guideNeed it done rather than explained?
We weld to AS/NZS 1554.1 with the procedures, welder qualifications and inspection records to prove it — skid frames, structural steel, pipe, handrails and aluminium across Perth and WA.