HEB120 HEB — European Wide Flange Beam Section Properties

HEB120 is a European HEB (Wide Flange Beam) per EN 10365 (successor to DIN 1025 / EN 10034) hot-rolled structural steel section. Standard European HEB dimensions per EN 10365. Verify against ArcelorMittal / Tata Steel section catalog.

Dimensions (Metric)

Property Value Unit
Depth (d) 120 mm
Flange Width (bf) 120 mm
Flange Thickness (tf) 11.0 mm
Web Thickness (tw) 6.5 mm
Cross-Sectional Area (A) 32.8 cm²
Mass 26.7 kg/m

Elastic Section Properties (Metric)

Property Strong Axis (Y-Y) Weak Axis (Z-Z) Unit
Moment of Inertia (I) 838 317 cm⁴
Elastic Section Modulus (S) 140 53 cm³
Plastic Section Modulus (Z) 159 80 cm³
Radius of Gyration (i) 5.06 3.11 cm

Torsional Properties

Property Value Unit
Torsional Constant (J) 12 cm⁴
Distance Between Flange Centroids (ho) 10.90 cm

Design Resources

Frequently Asked Questions

What is the HEB120 section depth? The HEB120 has a nominal depth of 120mm and a flange width of 120mm. The HEB series is defined in EN 10365.

What steel grade is standard for HEB120? 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 HEB120 beam? 26.7 kg/m. A 12m length weighs approximately 320 kg.

What is the section modulus of HEB120? S_y = 140 cm³ (strong axis) and S_z = 53 cm³ (weak axis). The plastic section modulus Z_y = 159 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.