Eurocode 3 Steel Fire Resistance Calculator

Structural Fire Engineering: Determine temperature-dependent reduction factors $k_{y,\theta}$, $k_{E,\theta}$, effective yield strength $f_{y,\theta}$, and critical failure temperature per EN 1993-1-2.

Steel Grade & Load Parameters

Structural Steel Grade:

Steel Temperature $\theta_a$ (°C):

Utilization Level $\mu_0$ ($E_{fi,d}/R_{fi,d,0}$):

Section Factor $A_m/V$ or $P/A$ (m⁻¹): Typical I-beams range between 80 to 220 m⁻¹.

Degraded Material Properties & Critical Temp

Strength Factor ($k_{y,\theta}$)

Modulus Factor ($k_{E,\theta}$)

Critical Temp ($\theta_{cr}$)

-- °C

Yield Strength ($f_{y,\theta}$)

-- MPa

Elastic Modulus $E_\theta$: -- GPa (ambient: 210 GPa)

Safety Thermal Margin ($ heta_{cr} - heta_a$): -- °C

Status: --

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Eurocode 3 Steel Fire Resistance Calculator

Steel Grade & Load Parameters

Degraded Material Properties & Critical Temp

Frequently Asked Questions