ANSI/AISC 303 / 341 / 358 / 342 Code of practice; seismic; connections; retrofit
ChangingA new edition or revision is being prepared. Check before you specify.
- Edition
- 303-22; 341-22; 358-22; 342-22
- Publisher
- AISC
- Part family
- Structural steel design
- Reviewed
- 23 October 2026 · source checked
Is ANSI/AISC 303 / 341 / 358 / 342 still current?
Yes, but a revision is coming. It is still in use, but a revision is in progress. The current reference is 303-22; 341-22; 358-22; 342-22 (MechAtlas review: 23 October 2026). Check the publisher before you specify it.
What it covers
Code of practice; seismic; connections; retrofit
Next AISC 303 edition had public review in 2025, expected 2027.
Official source
MechAtlas does not reproduce standards. Check the official edition at the publisher's page for ANSI/AISC 303 / 341 / 358 / 342 or the AISC store.
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Other structural steel design standards
- BS 5950 Replaced
Old UK steel design code - ISO 14122-1 / -2 Changing
Choice of access; platforms and walkways - ISO 14122-3 / -4 Changing
Stairs, guard-rails / fixed ladders - ANSI/AISC 360 Current
US steel building specification - EN 1090-2 Current
Execution of steel structures - EN 1993-1-1 Current
Eurocode 3 general rules - EN 1993-1-8 / -1-9 Current
Joints / fatigue - EN 1993-6 Current
Crane supporting structures - IS 7215 Current
Fabrication tolerances - IS 800 Current
General construction in steel - NAAMM MBG 531 / DIN 24537-1 Current
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