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UB 690x360x384

Production class: hot rolled (EN 10365)

Section geometry

UB shape
Height (h):
736mm
Width (b):
362mm
Web thickness (tw):
24.9mm
Flange thickness (tf):
45mm
Radius (r):
20mm

Section properties

Moment of inertia (I):mm⁴
Y-axis:
4.489E9
Z-axis:
3.567E8
Elastic section modulus (Wel):mm³
Y-axis:
1.219E7
Z-axis:
1.970E6
Plastic section modulus (Wpl):mm³
Y-axis:
1.396E7
Z-axis:
3.054E6
Radius of gyration (i):mm
Y-axis:
302
Z-axis:
85
Plastic shear area (Av):mm²
Y-axis:
32580
Z-axis:
19340
Weight per meter:
384kg/m
Area (A):
49010mm²
Surface area per meter:
2.836m²/m
Torsion constant (It):
2.569E7mm⁴
Warping constant (Iw):
4.247E13mm⁶

Profile overview for UB 690x360x384

The UB 690x360x384 is a structural steel cross-section utilized in commercial construction, industrial framing, and mechanical engineering. Manufactured as a hot rolled section, it complies with EN 10365 dimensional standards, ensuring predictability in detailing and fabrication.Access to its exact geometric and statical properties is essential for 3D modeling and structural verification.

Geometry: This open profile features a total depth (h) of 736 mm and a flange width (b) of 362 mm, supported by a 24.9 mm thick web and 45 mm thick flanges. With a cross-sectional area of 49008.76 mm² and a linear mass of 384 kg/m, the UB 690x360x384 offers a distinct stiffness-to-weight ratio for both column (axial) and beam applications.

Section properties: For design of bending, the major and minor axis properties dictate the member's structural capacity. The strong-axis moment of inertia (Iy) of 4488800000 mm⁴ governs major deflection and serviceability limits. To calculate the ultimate bending resistance, engineers may utilize the strong-axis plastic section modulus of 13960000 mm³. For lateral stability and column buckling verifications, the weak-axis moment of inertia (Iz) provides 356700000 mm⁴ of lateral stiffness.

Advanced analysis: For complex load cases, the UB 690x360x384 provides a y-axis shear area (at strong bending axis) of 32580 mm² for web shear verification and a torsion constant of 25690000 mm⁴ for calculating rotational twist under eccentric loading. Additionally, a warping constant of 42470000000000 mm⁶ is available for rigorous lateral-torsional buckling (LTB) checks.