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UC 203x203x46

Production class: hot rolled (EN 10365)

Section geometry

UC shape
Height (h):
203.2mm
Width (b):
203.6mm
Web thickness (tw):
7.2mm
Flange thickness (tf):
11mm
Radius (r):
10mm

Section properties

Moment of inertia (I):mm⁴
Y-axis:
4.565E7
Z-axis:
1.548E7
Elastic section modulus (Wel):mm³
Y-axis:
4.493E5
Z-axis:
1.520E5
Plastic section modulus (Wpl):mm³
Y-axis:
4.971E5
Z-axis:
2.308E5
Radius of gyration (i):mm
Y-axis:
88
Z-axis:
51
Plastic shear area (Av):mm²
Y-axis:
4479
Z-axis:
1689
Weight per meter:
46.1kg/m
Area (A):
5870mm²
Surface area per meter:
1.189m²/m
Torsion constant (It):
2.207E5mm⁴
Warping constant (Iw):
1.428E11mm⁶

Profile overview for UC 203x203x46

The UC 203x203x46 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 203.2 mm and a flange width (b) of 203.6 mm, supported by a 7.2 mm thick web and 11 mm thick flanges. With a cross-sectional area of 5870 mm² and a linear mass of 46.1 kg/m, the UC 203x203x46 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 45650000 mm⁴ governs major deflection and serviceability limits. To calculate the ultimate bending resistance, engineers may utilize the strong-axis plastic section modulus of 497100 mm³. For lateral stability and column buckling verifications, the weak-axis moment of inertia (Iz) provides 15480000 mm⁴ of lateral stiffness.

Advanced analysis: For complex load cases, the UC 203x203x46 provides a y-axis shear area (at strong bending axis) of 4479.2 mm² for web shear verification and a torsion constant of 220700 mm⁴ for calculating rotational twist under eccentric loading. Additionally, a warping constant of 142800000000 mm⁶ is available for rigorous lateral-torsional buckling (LTB) checks.