Compliance & Quality Standards
Welding systems and processes certified to leading Australian and international standards.
At KJ Welding, we maintain strict compliance with Australian and international welding and fabrication standards to ensure the highest levels of quality and safety across all projects. Our operations are supported by a structured Welding Management System and detailed procedural controls.
We are certified and compliant with the following standards:
AS/NZS ISO 3834 – Quality requirements for fusion welding of metallic materials
AS/NZS 5131 – Structural steel fabrication and erection
AWS D1.1 & D1.6 – American Welding Society codes for structural and stainless steel welding
ASME Section IX – Welding and brazing qualifications for pressure equipment
AS 1210 – Pressure vessels
AS/NZS 1554.4 & 1554.5 – Welding of high-strength quenched and tempered steels