CE certification under EN 1090 is not optional - it is a legal requirement for any manufacturer or supplier selling structural steel and aluminum components in the European Union. Since July 1, 2014, the Construction Products Regulation (CPR) 305/2011 has mandated that all structural steel products critical to building safety must bear the CE mark [1]. For Southeast Asian exporters looking to sell on Alibaba.com and access European buyers, understanding this compliance framework is essential.
The EN 1090 standard consists of three parts, each addressing different aspects of structural steel fabrication and execution. EN 1090-1 covers conformity assessment requirements for structural components, EN 1090-2 specifies technical requirements for steel structures, and EN 1090-3 addresses aluminum structures. For stainless steel building materials, EN 1090-2 is the primary technical specification that governs welding procedures, material selection, and quality control processes [5].
EN 1090 Execution Classes (EXC) - Risk-Based Classification System
| Execution Class | Risk Level | Typical Applications | Certification Requirements |
|---|---|---|---|
| EXC1 | Low | Agricultural buildings, simple sheds | Basic FPC documentation, self-declaration possible |
| EXC2 | Medium | Residential buildings, commercial warehouses | Full FPC certification, Notified Body assessment required |
| EXC3 | High | Bridges, high-rise buildings, industrial plants | Enhanced FPC, additional testing, stricter welding qualifications |
| EXC4 | Very High | Nuclear facilities, offshore structures, critical infrastructure | Most stringent requirements, continuous surveillance, advanced NDT testing |
The certification process involves multiple critical steps that exporters must complete before they can legally affix the CE mark to their products. First, manufacturers must determine their product scope and identify the appropriate execution class based on intended use. Then comes Factory Production Control (FPC) certification - a comprehensive quality management system that documents every aspect of production from raw material sourcing to final inspection. A Notified Body must conduct the initial assessment, followed by initial type testing (ITT) and ongoing surveillance audits [5].
Welding personnel qualifications represent another non-negotiable requirement. EN 1090 mandates that all welding operations be supervised by a Responsible Welding Coordinator (RWC) who holds appropriate qualifications per ISO 14731. Individual welders must be certified according to BS EN 287-1 or equivalent standards. For stainless steel specifically, additional requirements apply under EN 1011 series for arc welding of ferritic and austenitic stainless steels [6].
CE-marking applies to all structural steel and aluminium components placed on the market. Manufacturers must draw up a Declaration of Performance (DoP) for each product, confirming compliance with the declared characteristics. This document must be kept for 10 years and made available to market surveillance authorities upon request [7].

