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RHS 180x100/5

Production class: hot finished (EN 10210-2)

Section geometry

RHS shape
Height (h):
180mm
Width (b):
100mm
Wall thickness (t):
5mm
Outer rounding (router):
7.5mm
Inner rounding (rinner):
5mm

Section properties

Moment of inertia (I):mm⁴
Y-axis:
1.153E7
Z-axis:
4.601E6
Elastic section modulus (Wel):mm³
Y-axis:
1.281E5
Z-axis:
92020
Plastic section modulus (Wpl):mm³
Y-axis:
1.573E5
Z-axis:
1.044E5
Radius of gyration (i):mm
Y-axis:
65.68
Z-axis:
41.49
Plastic shear area (Av):mm²
Y-axis:
954.7
Z-axis:
1718
Weight per meter:
20.98kg/m
Area (A):
2673mm²
Surface area per meter:
0.5471m²/m
Torsion constant (It):
1.042E7mm⁴

Profile overview for RHS 180x100/5

The RHS 180x100/5 is a structural steel cross-section utilized in commercial construction, industrial framing, and mechanical engineering. Manufactured as a hot finished section, it complies with EN 10210-2 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 rectangular/square hollow section is defined by a depth of 180 mm, a width of 100 mm, and a uniform wall thickness of 5 mm. With a cross-sectional area of 2673.17477 mm² and a linear mass of 20.98442195 kg/m, the RHS 180x100/5 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 11530000 mm⁴ governs major deflection and serviceability limits. To calculate the ultimate bending resistance, engineers may utilize the strong-axis plastic section modulus of 157300 mm³. For lateral stability and column buckling verifications, the weak-axis moment of inertia (Iz) provides 4601000 mm⁴ of lateral stiffness.

Advanced analysis: For complex load cases, the RHS 180x100/5 provides a y-axis shear area (at strong bending axis) of 954.7052752 mm² for web shear verification and a torsion constant of 10420000 mm⁴ for calculating rotational twist under eccentric loading.