How to use
Select the material, then enter the initial length in mm and temperatures in °C. Enter the coefficient as the number in 10⁻⁶/K; for example, enter 16 for 16 × 10⁻⁶/K.
Example calculation
A length of 1000 mm, coefficient of 16 × 10⁻⁶/K and temperature rise from 20 °C to 80 °C give 0.96 mm expansion and a final length of 1000.96 mm.
Calculation method
ΔL = L₀α(T₁ − T₀) × 10⁻⁶; L₁ = L₀ + ΔL (L: mm; α: 10⁻⁶/K; T: °C)
Calculation limits
Material presets use mean coefficients for 20–100 °C. Enter an appropriate coefficient outside that range. Assumes a constant coefficient and free expansion; does not calculate stress in restrained parts.