Steel structure manufacturer since 2009 · 8 fabrication bases in China
EN 1090 is the European standard for executing steel and aluminium structures. Part 1 covers conformity and CE marking of components; Part 2 sets technical requirements for steel.
| Class | Typical use | Requirements |
|---|---|---|
| EXC1 | Agricultural buildings, simple structures | Basic |
| EXC2 | Most buildings | Standard; most specifications |
| EXC3 | Stadiums, bridges, high-rise | Stricter welding, NDT, traceability |
| EXC4 | Critical structures | Highest |
Note on GGSteel status: GGSteel certification status for this standard to be confirmed. We fabricate to its requirements when your specification calls for it.
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ISO 3834 parts 2, 3 and 4 for welding quality management, how they relate to EN 1090, and what to ask a fabricator.
Q235B, Q355B, Q390 and Q420 compared with ASTM A36, A572 and A992, EN S235 to S420 and AS/NZS grades: yield strength, impact tests and when substitution needs approval.
AS/NZS 5131 for fabrication and erection of structural steel in Australia and New Zealand: construction categories CC1–CC4 and supplier requirements.