AS/NZS 1554.1 Structural Steel Welding — Structural Purpose (SP)
Form number: AS/NZS 1554.1 — Category SP
SP (Structural Purpose) is the higher AS/NZS 1554.1 weld category — required for fatigue-loaded or dynamically loaded structures (cranes, bridges, mining headframes, lifting beams, building primary frames). Tighter visual acceptance and mandatory NDT make this the default category nominated by structural engineers.
Official source
weldaustralia.com.auRelated topics
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