scope:

This Japanese Industrial Standard specifies requirements for the extended copper and copper alloy rods and bars having a round, regular hexagonal, square, rectangular, or rounded regular hexagonal section (hereafter referred to as bars).

NOTE 1 "Bars" refer to the extended solid products of a uniform section throughout their length, which are cut to a specified length and supplied in a straight form.

NOTE 2 "Rounded regular hexagonal" refers to the shape of a regular hexagon with corners rounded along the circumference of a circle concentric with the inscribed and circumscribed circles of the hexagon, having a diameter larger than the former and smaller than the latter.