BS EN 10219-3. Cold formed welded structural steel hollow sections. Part 3. Tolerances,
Dimensions & sectional properties Hollow sections, Metal sections, Steels, Unalloyed steels, Structural steels, Cold-working, Welding, Dimensional tolerances, Form tolerances,
Dimensions, Circular shape, Square shape, Rectangular shape, Ordering, Length, Diameter, Thickness, Area, Mass, Weight tolerances, Mathematical calculations, Structural design