Ullrich Aluminium: Useful Formulae
To calculate Nominal mass (kg/m) of extruded aluminium sections, tube, etc: download pdf file of linear conversion tables
- Calculate cross-section area (mm2)
- Multiply by 0.00271
To calculate Factor (i. e. the "difficulty of extrusion" factor)
- Calculate the perimeter of the section (Note: for hollows, add outside perimeter and inside perimeter)
- Divide this by the nominal kg/m of the section
NOMINAL MASS (kg/m2) of aluminium sheet and plate:
Download pdf file of linear conversion tables
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