Manufacturing size range of brass wires Round 1,75 - 15 mm* Hexagonal /Octagonal 2,5 - 13 mm* Square 2,5 - 13 mm* * The minimum and maximum values vary according to the type of alloy. EN DesignationPacking type From 30 kg to 1500kDimension range (mm) MIN-MAXTolerances on dia. SymbolNumberRoundHex./Oct.Square CuZn35Pb1 CW617N Coil Large coil 5.0 - 14.0 5.0 - 14.0 5.0 - 12.0 5.0 - 12.0 5.0 - 9.0 5.0 - 12.0 according to EN 12166 CuZn39Pb3 CW614N Coil Large coil 1.75 - 15.0 3.0 - 15.0 2.5 - 13.0 4.0 - 13.0 2.5 - 13.0 4.0 - 13.0 according to EN 12166 CuZn39Pb2 CW612N Coil Large coil 3.0 - 15.0 6.35 - 14.0 4.0 - 13.0 6.35 - 12 6.0 - 9.0 6.0 - 12.0 according to EN 12166 CuZn38Pb2 CW608N Coil Large coil 1.75 - 15.0 3.0 - 15.0 2.5 - 13.0 4.0 - 13.0 2.5 - 13.0 4.0 - 13.0 according to EN 12166 CuZn38Pb1 CW607N Coil Large coil 2.5 - 15.0 4.0 - 15.0 2.5 - 13.0 4.0 - 13.0 2.5 - 13.0 4.0 - 13.0 according to EN 12166 CuZn37Pb2 CW606N Coil Large coil 1.75 - 15.0 3.0 - 15.0 2.5 - 13.0 4.0 - 13.0 2.5 - 13.0 4.0 - 13.0 according to EN 12166 CuZn36Pb3 CW603N Coil Large coil 1.75 - 15.0 3.0 - 15.0 2.5 - 13.0 4.0 - 13.0 2.5 - 13.0 4.0 - 13.0 according to EN 12166 CuZn35Pb2 CW601N Coil Large coil 1.75 -14.0 3.0 - 14.0 8.0 - 12.0 8.0 - 12.0 8.0 - 9.0 8.0 - 12.0 according to EN 12166 CuZn40Pb2 CW600N Coil Large coil 2.5 - 15.0 4.0 - 15.0 2.5 -13.0 4.0 - 13.0 2.5 -13.0 4.0 - 13.0 according to EN 12166