Classification by composition, tolerance on resistance, uniformity of resistance, temperature coefficient of resistance. Nominal diameters 0.0080 mm to 0.315 mm. Elongation test for bright annealed wires; tensile proof test for finer sizes of bright annealed wire.Cross References:BS 115BS 1035-40, 1172-74, 1861, 1954BS 1117:Part 1BS 1489BS 1888BS 3466BS 3467