HEM800 HEM — European Wide Flange Beam (Heavy) Section Properties

HEM800 is a European HEM (Wide Flange Beam (Heavy)) per EN 10365 (successor to DIN 1025 / EN 10034) hot-rolled structural steel section. Standard European HEM dimensions per EN 10365. Verify against ArcelorMittal / Tata Steel section catalog.

Dimensions (Metric)

Property Value Unit
Depth (d) 814 mm
Flange Width (bf) 303 mm
Flange Thickness (tf) 40.0 mm
Web Thickness (tw) 21.0 mm
Cross-Sectional Area (A) 396.5 cm²
Mass 317.0 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (Y-Y) Weak Axis (Z-Z) Unit
Moment of Inertia (I) 432,566 18,602 cm⁴
Elastic Section Modulus (S) 10,628 1,228 cm³
Plastic Section Modulus (Z) 12,209 1,917 cm³
Radius of Gyration (i) 33.03 6.85 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 1,519 cm⁴
Distance Between Flange Centroids (ho) 77.40 cm

Design Resources

Frequently Asked Questions

What is the HEM800 section depth? The HEM800 has a nominal depth of 814mm and a flange width of 303mm. The HEM series is defined in EN 10365.

What steel grade is standard for HEM800? Typically S275JR or S355J2 per EN 10025-2. Also available as S235JR, S275JR, S355J2, S420M, S460M. Verify grade requirements per EN 1993-1-1.

What is the mass of a HEM800 beam? 317.0 kg/m. A 12m length weighs approximately 3,804 kg.

What is the section modulus of HEM800? S_y = 10,628 cm³ (strong axis) and S_z = 1,228 cm³ (weak axis). The plastic section modulus Z_y = 12,209 cm³.

Related Pages


Educational reference only. Verify all section properties against the current ArcelorMittal / Tata Steel section catalog and EN 10365 before design. Results are PRELIMINARY — NOT FOR CONSTRUCTION.