UB 914x305x425

Production class: hot rolled (EN 10365)

Section geometry

UB shape
Height (h):
961mm
Width (b):
313mm
Web thickness (tw):
26.9mm
Flange thickness (tf):
49mm
Radius (r):
20mm

Section properties

Moment of inertia (I):mm⁴
Y-axis:
7.888E9
Z-axis:
2.519E8
Elastic section modulus (Wel):mm³
Y-axis:
1.641E7
Z-axis:
1.609E6
Plastic section modulus (Wpl):mm³
Y-axis:
1.914E7
Z-axis:
2.562E6
Radius of gyration (i):mm
Y-axis:
381
Z-axis:
68
Plastic shear area (Av):mm²
Y-axis:
30674
Z-axis:
26830

Weight per meter:
425kg/m
Area (A):
54200mm²
Surface area per meter:
3.086m²/m
Torsion constant (It):
3.040E7mm⁴
Warping constant (Iw):
5.207E13mm⁶

Profile overview for UB 914x305x425

The UB 914x305x425 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 961 mm and a flange width (b) of 313 mm, supported by a 26.9 mm thick web and 49 mm thick flanges. With a cross-sectional area of 54200 mm² and a linear mass of 425 kg/m, the UB 914x305x425 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 7887700000 mm⁴ governs major deflection and serviceability limits. To calculate the ultimate bending resistance, engineers may utilize the strong-axis plastic section modulus of 19140000 mm³. For lateral stability and column buckling verifications, the weak-axis moment of inertia (Iz) provides 251900000 mm⁴ of lateral stiffness.

Advanced analysis: For complex load cases, the UB 914x305x425 provides a y-axis shear area (at strong bending axis) of 30674 mm² for web shear verification and a torsion constant of 30400000 mm⁴ for calculating rotational twist under eccentric loading. Additionally, a warping constant of 52070000000000 mm⁶ is available for rigorous lateral-torsional buckling (LTB) checks.