Abstract: In an ironing punch to be used for metal ironing, a dot-shaped recess is distributed on an outer peripheral surface of the ironing punch, and a raised portion is formed on at least part of a peripheral edge portion of the dot-shaped recess.

Abstract: There is provided a can body made of aluminum alloy and having a bottomed cylindrical shape including a can bottom 11 and a can barrel 12. The can bottom includes a dome part 111 provided in a center of the can bottom, and an annular convex part 112 provided on an outer circumferential edge of the dome part. The annular convex part includes a recess 112A provided to continue to the dome part, a ground part 112B, and an inner circumferential wall 112C extending from the ground part to the recess. An outer diameter of the can barrel is 50 mm to 59 mm, the height from the ground part to an upper end of the can body is 120 mm to 190 mm. A recess depth is 0.5 mm to 0.8 mm, and a ground diameter is ?44.0 mm to 47.0 mm.