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UC 305x305x198

Production class: hot rolled (EN 10365)

Section geometry

UC shape
Height (h):
339.9mm
Width (b):
314.5mm
Web thickness (tw):
19.1mm
Flange thickness (tf):
31.4mm
Radius (r):
20mm

Section properties

Moment of inertia (I):mm⁴
Y-axis:
5.115E8
Z-axis:
1.630E8
Elastic section modulus (Wel):mm³
Y-axis:
3.010E6
Z-axis:
1.036E6
Plastic section modulus (Wpl):mm³
Y-axis:
3.459E6
Z-axis:
1.582E6
Radius of gyration (i):mm
Y-axis:
141
Z-axis:
80
Plastic shear area (Av):mm²
Y-axis:
19750
Z-axis:
7491
Weight per meter:
198kg/m
Area (A):
25240mm²
Surface area per meter:
1.865m²/m
Torsion constant (It):
7.581E6mm⁴
Warping constant (Iw):
3.873E12mm⁶

Profile overview for UC 305x305x198

The UC 305x305x198 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 339.9 mm and a flange width (b) of 314.5 mm, supported by a 19.1 mm thick web and 31.4 mm thick flanges. With a cross-sectional area of 25240 mm² and a linear mass of 198 kg/m, the UC 305x305x198 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 511500000 mm⁴ governs major deflection and serviceability limits. To calculate the ultimate bending resistance, engineers may utilize the strong-axis plastic section modulus of 3459000 mm³. For lateral stability and column buckling verifications, the weak-axis moment of inertia (Iz) provides 163000000 mm⁴ of lateral stiffness.

Advanced analysis: For complex load cases, the UC 305x305x198 provides a y-axis shear area (at strong bending axis) of 19750.6 mm² for web shear verification and a torsion constant of 7581000 mm⁴ for calculating rotational twist under eccentric loading. Additionally, a warping constant of 3873000000000 mm⁶ is available for rigorous lateral-torsional buckling (LTB) checks.