HEM550 HEM — European Wide Flange Beam (Heavy) Section Properties

HEM550 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) 572 mm
Flange Width (bf) 306 mm
Flange Thickness (tf) 40.0 mm
Web Thickness (tw) 21.0 mm
Cross-Sectional Area (A) 348.1 cm²
Mass 278.0 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (Y-Y) Weak Axis (Z-Z) Unit
Moment of Inertia (I) 194,379 19,140 cm⁴
Elastic Section Modulus (S) 6,796 1,251 cm³
Plastic Section Modulus (Z) 7,783 1,927 cm³
Radius of Gyration (i) 23.63 7.41 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 1,457 cm⁴
Distance Between Flange Centroids (ho) 53.20 cm

Design Resources

Frequently Asked Questions

What is the HEM550 section depth? The HEM550 has a nominal depth of 572mm and a flange width of 306mm. The HEM series is defined in EN 10365.

What steel grade is standard for HEM550? 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 HEM550 beam? 278.0 kg/m. A 12m length weighs approximately 3,336 kg.

What is the section modulus of HEM550? S_y = 6,796 cm³ (strong axis) and S_z = 1,251 cm³ (weak axis). The plastic section modulus Z_y = 7,783 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.