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HD 400x287

Production class: hot rolled (EN 10365)

Section geometry

HD shape
Height (h):
393mm
Width (b):
399mm
Web thickness (tw):
22.6mm
Flange thickness (tf):
36.6mm
Radius (r):
20mm

Section properties

Moment of inertia (I):mm⁴
Y-axis:
1.001E9
Z-axis:
3.878E8
Elastic section modulus (Wel):mm³
Y-axis:
5.092E6
Z-axis:
1.944E6
Plastic section modulus (Wpl):mm³
Y-axis:
5.835E6
Z-axis:
2.959E6
Radius of gyration (i):mm
Y-axis:
164
Z-axis:
102
Plastic shear area (Av):mm²
Y-axis:
29210
Z-axis:
9862
Weight per meter:
287kg/m
Area (A):
36630mm²
Surface area per meter:
2.302m²/m
Torsion constant (It):
1.484E7mm⁴
Warping constant (Iw):
1.230E13mm⁶

Profile overview for HD 400x287

The HD 400x287 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 393 mm and a flange width (b) of 399 mm, supported by a 22.6 mm thick web and 36.6 mm thick flanges. With a cross-sectional area of 36630 mm² and a linear mass of 287 kg/m, the HD 400x287 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 1000600000 mm⁴ governs major deflection and serviceability limits. To calculate the ultimate bending resistance, engineers may utilize the strong-axis plastic section modulus of 5835000 mm³. For lateral stability and column buckling verifications, the weak-axis moment of inertia (Iz) provides 387800000 mm⁴ of lateral stiffness.

Advanced analysis: For complex load cases, the HD 400x287 provides a y-axis shear area (at strong bending axis) of 29206.8 mm² for web shear verification and a torsion constant of 14840000 mm⁴ for calculating rotational twist under eccentric loading. Additionally, a warping constant of 12300000000000 mm⁶ is available for rigorous lateral-torsional buckling (LTB) checks.