Specifies examination methods and acceptance criteria for weld quality. Load Bearing:
The British Standards Institution offers the BS EN ISO 17660-1 version.
Refers to non-load-bearing joints (e.g., for positioning).
By adhering to the strict guidelines set out in , engineers and welders can ensure that concrete structures are robust, durable, and safe. en iso 17660-1 pdf
[Verify Material Weldability & CEV] │ ▼ [Develop Welding Procedure Specification (WPS)] │ ▼ [Conduct Procedure Qualification Tests (WPQR)] │ ▼ [Certify Welders & Appoint Welding Coordinator] │ ▼ [Execute On-Site Welding & Perform NDT/Visual Inspections]
100% of joints should be inspected visually to check for surface defects.
: Covers non-load-bearing joints. These welds only hold steel in place during pour times. Key Requirements in the PDF By adhering to the strict guidelines set out
is an international standard that specifies requirements for the welding of weldable reinforcing steel and stainless reinforcing steel in load-bearing joints
It explicitly excludes the automated factory production of welded fabric (mesh) and lattice girders using multiple spot or projection welding machinery, which are governed by other factory production control rules. Non load-bearing joints (such as temporary tack welds used to hold rebars during transit or concrete pouring) fall under ISO 17660-2 . 2. Permissible Welded Joint Configurations
To stay compliant with EN ISO 17660-1, manufacturing shops and construction sites must implement a structured quality control workflow: These welds only hold steel in place during pour times
EN ISO 17660-1 is an international standard titled "Welding — Welding of reinforcing steel — Part 1: Load-bearing welded joints."
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The standard recognizes several welding processes suitable for reinforcing steel, including: Manual Metal Arc (MMA) welding (Process 111) Metal Active Gas (MAG) welding (Process 135) Flux-Cored Arc Welding (FCAW) (Process 136) Flash welding (Process 24) 3. Personnel Qualifications
For thicker bars or cold climates, the standard mandates preheating. The PDF includes tables showing minimum preheating temperatures based on carbon equivalent (CEV) and bar diameter.
This article explains what this standard covers, why it matters, and how to use it. What is EN ISO 17660-1?