Theoretical Weights of Brass Rods and Bars for Hexagons British Association (B.A.)
(Imperial Sizes)
BA No. Size Across Flats Min. to Max.
(in.)		 Size Across Flats Min. to Max.
(mm)		 Kilogrammes per Metre
(kg/m)		 Kilogrammes per 3.6 Metre Length
(kg/3.6m)		 Pounds per Foot
(lb/ft)
4 0.245-0.248 6.22-6.30 0.291 1.05 0.20
3 0.279-0.282 7.09-7.16 0.376 1.35 0.25
2 0.321-0.324 8.15-8.23 0.497 1.79 0.33
1 0.362-0.365 9.19-9.27 0.630 2.27 0.42
0 0.410-0.413 10.41-10.49 0.807 2.91 0.54