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RHS 100x50/4

Production class: hot finished (EN 10210-2)

Section geometry

RHS shape
Height (h):
100mm
Width (b):
50mm
Wall thickness (t):
4mm
Outer rounding (router):
6mm
Inner rounding (rinner):
4mm

Section properties

Moment of inertia (I):mm⁴
Y-axis:
1.396E6
Z-axis:
4.619E5
Elastic section modulus (Wel):mm³
Y-axis:
27920
Z-axis:
18480
Plastic section modulus (Wpl):mm³
Y-axis:
35240
Z-axis:
21470
Radius of gyration (i):mm
Y-axis:
35.32
Z-axis:
20.32
Plastic shear area (Av):mm²
Y-axis:
372.9
Z-axis:
745.9
Weight per meter:
8.783kg/m
Area (A):
1119mm²
Surface area per meter:
0.2897m²/m
Torsion constant (It):
1.128E6mm⁴

Profile overview for RHS 100x50/4

The RHS 100x50/4 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 100 mm, a width of 50 mm, and a uniform wall thickness of 4 mm. With a cross-sectional area of 1118.831853 mm² and a linear mass of 8.782830047 kg/m, the RHS 100x50/4 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 1396000 mm⁴ governs major deflection and serviceability limits. To calculate the ultimate bending resistance, engineers may utilize the strong-axis plastic section modulus of 35240 mm³. For lateral stability and column buckling verifications, the weak-axis moment of inertia (Iz) provides 461900 mm⁴ of lateral stiffness.

Advanced analysis: For complex load cases, the RHS 100x50/4 provides a y-axis shear area (at strong bending axis) of 372.943951 mm² for web shear verification and a torsion constant of 1128000 mm⁴ for calculating rotational twist under eccentric loading.