IPE 80 Steel S235 Beam Deflection Calculator

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Calculation Basis

MethodEuler-Bernoulli with preset section properties

ScopeIPE 80 in Steel S235 for fast preliminary member checks

ReviewTechnically reviewed: 2026-04-15

MethodologyView methodology

Assumptions & Limits

Profile values are treated as starting data and should be verified against the selected section table.
The default setup targets major-axis bending unless the input values are changed.
Final design still requires real load combinations, support details, and code compliance checks.

Reference Basis

Documentation: Methodology
Documentation: Engineering Review
Roark's Formulas for Stress and Strain
Mechanics of Materials references

Technical Specifications: IPE 80

Height (h)

80mm

Width (b)

46mm

Web Thickness (tw)

3.8mm

Flange Thickness (tf)

5.2mm

Moment of Inertia (Ix)

80.1cm^4

Moment of Inertia (Iy)

8.49cm^4

Section Modulus (Wx)

20cm^3

Material

Steel S235

Elastic Modulus (E)

210GPa

Structural Analysis for IPE 80 (Steel S235)

The IPE 80 is a high-performance structural element widely used in IPE configurations. When manufactured from Steel S235, it offers a balanced strength-to-weight ratio suitable for light-scale engineering tasks.

Load-Bearing Capacity

With a moment of inertia of 80.1 cm^4, this profile is specifically engineered to resist vertical deflection. For span checks with limits such as L/250 or L/360, IPE 80provides reliable stiffness.

Comparative Analysis

Compared to generic rectangular sections of similar mass, the IPE shape of the IPE 80optimizes material distribution toward the flanges. This gives a section modulus of 20 cm^3 and improves bending efficiency.

Methodology

The calculations performed on this page use Euler-Bernoulli beam theory. This model assumes that plane sections remain plane and is appropriate for standard slender structural members.