Mechanical & Drives

Thermal expansion calculator

Length change of a part or pipe with temperature.

mm
°C
°C

Calculating…

How it's calculated

ΔL = α × L × ΔT α in µm/m·°C shown in brackets

A 6 m steel pipe heated from 20 °C to 80 °C grows about 4.3 mm. Allow for this with expansion loops, bellows or sliding supports, or the growth turns into large forces on anchors and equipment nozzles.