The standard defines the minimum requirements for static and fatigue strength. Following the standard ensures that the weld will not snap under the load of the concrete or the dynamic weight of traffic.
The actual standard document, EN ISO 17660-1, can typically be purchased or downloaded from:
One bar is welded to another crossing bar at an angle. en iso 176601 pdf
Two bars are aligned end-to-end.
The standard requires a WPS for all load-bearing joints. This document must detail: The standard defines the minimum requirements for static
Steel fabricator Marta inherited a small welding shop where projects kept failing inspection because inspectors and clients used different words for the same things. Frustrated, she tracked down EN ISO 17660-1 — the standard that defines terms for arc welding of steels used in structural work.
She read how the standard clarifies terms like “weldability,” “preheating,” “interpass temperature,” “groove weld,” and “heat-affected zone.” Marta used those definitions to rewrite her job sheets, weld procedure specifications (WPS), and client contracts so everyone spoke the same language. On the next bridge component batch, the NDT report matched the WPS exactly, rework dropped, and quotes became more accurate because estimators used the same definitions for tolerances and weld classes. Two bars are aligned end-to-end
Her shop began training new hires with a one-page glossary derived from the standard. That glossary helped trainees quickly understand inspection reports and reduced errors when recording interpass temperatures and weld sizes. Clients appreciated the consistency and awarded larger contracts. Marta credited the clearer communication from adopting EN ISO 17660-1 terminology for turning her business around.
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Two bars are overlapped and welded along the contact length.