There is a legal way to view the content without buying a copy. Many national libraries and university engineering departments subscribe to the ISO Online Browsing Platform (OBP). You can:
Limitation: You cannot print, download, or save the file. But for a quick cross-check of a preheat temperature or test requirement, this is free and legal.
The standard includes critical annexes on weld testing and refers to other norms (like ISO 15614-1 for welding procedure qualification). The PDF ensures you see these cross-references exactly as intended.
Imagine a welded rebar lap joint on a bridge abutment. The welder skipped preheating because “it looked fine.” The weld passes visual inspection but fails a bend test per EN ISO 17660-1. Months later, under live load, a brittle fracture occurs. en iso 17660-1 pdf
That is why the PDF is not paperwork—it is a liability shield. Having the standard on your tablet or laptop during fabrication proves due diligence.
Organizations like The Welding Institute (TWI) in the UK or the American Welding Society (AWS) offer members discounted standards. If you are a member, log in to access library copies of EN ISO 17660-1 PDF.
Let’s cut through the jargon. EN ISO 17660-1 is the European adoption of an international standard that specifies requirements for welding of reinforcing steel. Specifically, Part 1 covers load-bearing welded joints—the welds that actually hold structural weight. There is a legal way to view the
Think of it as the rulebook for:
The standard applies to weldable reinforcing steel bars and wires used in concrete structures, from high-rise buildings to highway bridges and tunnel segments.
EN ISO 17660-1 is an authoritative, rigorous standard that serves as the backbone of safe structural welding. It correctly identifies that reinforcing steel cannot be treated like structural steel plates due to its chemical composition and cold-working properties. Limitation: You cannot print, download, or save the file
Recommendation: For professionals, this
The document specifies how to prove the weld is strong enough. It details:
The document requires a pre-qualified welding procedure. Unlike generic steel welding, rebar welding is sensitive to the chemical composition (Carbon Equivalent). The standard provides guidelines to ensure the heat-affected zone (HAZ) does not become brittle.
