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UB 406x178x60

Production class: hot rolled (EN 10365)

Section geometry

UB shape
Height (h):
406.4mm
Width (b):
177.9mm
Web thickness (tw):
7.9mm
Flange thickness (tf):
12.8mm
Radius (r):
10mm

Section properties

Moment of inertia (I):mm⁴
Y-axis:
2.158E8
Z-axis:
1.203E7
Elastic section modulus (Wel):mm³
Y-axis:
1.062E6
Z-axis:
1.352E5
Plastic section modulus (Wpl):mm³
Y-axis:
1.198E6
Z-axis:
2.090E5
Radius of gyration (i):mm
Y-axis:
167
Z-axis:
39
Plastic shear area (Av):mm²
Y-axis:
4554
Z-axis:
3451
Weight per meter:
60.1kg/m
Area (A):
7650mm²
Surface area per meter:
1.491m²/m
Torsion constant (It):
3.321E5mm⁴
Warping constant (Iw):
4.651E11mm⁶

Profile overview for UB 406x178x60

The UB 406x178x60 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 406.4 mm and a flange width (b) of 177.9 mm, supported by a 7.9 mm thick web and 12.8 mm thick flanges. With a cross-sectional area of 7650 mm² and a linear mass of 60.1 kg/m, the UB 406x178x60 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 215800000 mm⁴ governs major deflection and serviceability limits. To calculate the ultimate bending resistance, engineers may utilize the strong-axis plastic section modulus of 1198000 mm³. For lateral stability and column buckling verifications, the weak-axis moment of inertia (Iz) provides 12030000 mm⁴ of lateral stiffness.

Advanced analysis: For complex load cases, the UB 406x178x60 provides a y-axis shear area (at strong bending axis) of 4554.24 mm² for web shear verification and a torsion constant of 332100 mm⁴ for calculating rotational twist under eccentric loading. Additionally, a warping constant of 465100000000 mm⁶ is available for rigorous lateral-torsional buckling (LTB) checks.