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RHS 180x100/8

Production class: hot finished (EN 10210-2)

Section geometry

RHS shape
Height (h):
180mm
Width (b):
100mm
Wall thickness (t):
8mm
Outer rounding (router):
12mm
Inner rounding (rinner):
8mm

Section properties

Moment of inertia (I):mm⁴
Y-axis:
1.713E7
Z-axis:
6.711E6
Elastic section modulus (Wel):mm³
Y-axis:
1.904E5
Z-axis:
1.342E5
Plastic section modulus (Wpl):mm³
Y-axis:
2.388E5
Z-axis:
1.571E5
Radius of gyration (i):mm
Y-axis:
64.21
Z-axis:
40.19
Plastic shear area (Av):mm²
Y-axis:
1484
Z-axis:
2671
Weight per meter:
32.62kg/m
Area (A):
4155mm²
Surface area per meter:
0.5394m²/m
Torsion constant (It):
1.560E7mm⁴

Profile overview for RHS 180x100/8

The RHS 180x100/8 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 8 mm. With a cross-sectional area of 4155.327412 mm² and a linear mass of 32.61932019 kg/m, the RHS 180x100/8 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 17130000 mm⁴ governs major deflection and serviceability limits. To calculate the ultimate bending resistance, engineers may utilize the strong-axis plastic section modulus of 238800 mm³. For lateral stability and column buckling verifications, the weak-axis moment of inertia (Iz) provides 6711000 mm⁴ of lateral stiffness.

Advanced analysis: For complex load cases, the RHS 180x100/8 provides a y-axis shear area (at strong bending axis) of 1484.045504 mm² for web shear verification and a torsion constant of 15600000 mm⁴ for calculating rotational twist under eccentric loading.