Engineering section library

Find a section fast.

Search directly by designation, or browse like a catalogue by category, region, standard, manufacturer, and series.

Database 79,379 sections Release 2026-07-07 · indexed SQLite

01 General category I/H, L, CHS, RHS/SHS, and more

02 Country / market Only countries available for that category

03 Designation or size Examples: HEA 300, W14, CHS 114.3

Advanced filtersDimensions, mass, and area

Overall dimensions mm

Height h Width b

Hollow sections mm

Diameter D Wall t

Mass & area

kg/m Area mm²

Selected category

Joists / girders

3,236 sections

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Select series

Pick a catalogue series first; then Arenith shows the actual section sizes inside it.

Reference data only. Confirm dimensions, availability, and properties against the governing standard and supplier documentation before design use.