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UB 1000x400x412

Production class: hot rolled (EN 10365)

Section geometry

UB shape
Height (h):
1008mm
Width (b):
402mm
Web thickness (tw):
21.1mm
Flange thickness (tf):
40mm
Radius (r):
30mm

Section properties

Moment of inertia (I):mm⁴
Y-axis:
9.105E9
Z-axis:
4.340E8
Elastic section modulus (Wel):mm³
Y-axis:
1.806E7
Z-axis:
2.159E6
Plastic section modulus (Wpl):mm³
Y-axis:
2.046E7
Z-axis:
3.348E6
Radius of gyration (i):mm
Y-axis:
416
Z-axis:
90
Plastic shear area (Av):mm²
Y-axis:
32160
Z-axis:
23590
Weight per meter:
412kg/m
Area (A):
52510mm²
Surface area per meter:
3.53m²/m
Torsion constant (It):
2.144E7mm⁴
Warping constant (Iw):
1.015E14mm⁶

Profile overview for UB 1000x400x412

The UB 1000x400x412 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 1008 mm and a flange width (b) of 402 mm, supported by a 21.1 mm thick web and 40 mm thick flanges. With a cross-sectional area of 52510 mm² and a linear mass of 412 kg/m, the UB 1000x400x412 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 9104700000 mm⁴ governs major deflection and serviceability limits. To calculate the ultimate bending resistance, engineers may utilize the strong-axis plastic section modulus of 20460000 mm³. For lateral stability and column buckling verifications, the weak-axis moment of inertia (Iz) provides 434000000 mm⁴ of lateral stiffness.

Advanced analysis: For complex load cases, the UB 1000x400x412 provides a y-axis shear area (at strong bending axis) of 32160 mm² for web shear verification and a torsion constant of 21440000 mm⁴ for calculating rotational twist under eccentric loading. Additionally, a warping constant of 101450000000000 mm⁶ is available for rigorous lateral-torsional buckling (LTB) checks.