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IPN 120

Production class: hot rolled (EN 10365)

Section geometry

IPN shape
Height (h):
120mm
Width (b):
58mm
Web thickness (tw):
5.1mm
Flange thickness (tf):
7.7mm
Radius (r):
5.1mm
Radius 2 (r2):
3.1mm
Flange slope:
14%

Section properties

Moment of inertia (I):mm⁴
Y-axis:
3.280E6
Z-axis:
2.150E5
Elastic section modulus (Wel):mm³
Y-axis:
54700
Z-axis:
7410
Plastic section modulus (Wpl):mm³
Y-axis:
63600
Z-axis:
12400
Radius of gyration (i):mm
Y-axis:
48.1
Z-axis:
12.3
Plastic shear area (Av):mm²
Y-axis:
893.2
Z-axis:
663
Weight per meter:
11.1kg/m
Area (A):
1420mm²
Surface area per meter:
0.439m²/m
Torsion constant (It):
27100mm⁴
Warping constant (Iw):
6.900E8mm⁶

Profile overview for IPN 120

The IPN 120 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 120 mm and a flange width (b) of 58 mm, supported by a 5.1 mm thick web and 7.7 mm thick flanges. With a cross-sectional area of 1420 mm² and a linear mass of 11.1 kg/m, the IPN 120 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 3280000 mm⁴ governs major deflection and serviceability limits. To calculate the ultimate bending resistance, engineers may utilize the strong-axis plastic section modulus of 63600 mm³. For lateral stability and column buckling verifications, the weak-axis moment of inertia (Iz) provides 215000 mm⁴ of lateral stiffness.

Advanced analysis: For complex load cases, the IPN 120 provides a y-axis shear area (at strong bending axis) of 893.2 mm² for web shear verification and a torsion constant of 27100 mm⁴ for calculating rotational twist under eccentric loading. Additionally, a warping constant of 690000000 mm⁶ is available for rigorous lateral-torsional buckling (LTB) checks.