To sufficiently supply secondary air, facilitate processing, and reduce the weight and size.

This stainless steel burner head 21 is adapted such that a ring shaped stainless steel plate is divided into an internal peripheral part 22, an external peripheral part 23, and a remaining intermediate part 24, all having 15 to 20% width as a whole on an internal peripheral side and an external peripheral side, and the intermediate part is divided into thirty to forty equal along the circumference of a circle, and that a first break part 28 is formed from one ends of the parts 24-1, 24-2,... on the side of the internal peripheral part 22 to the other ends on the side of the external peripheral part 23, and a second break part and a third break part are formed at opposite ends perpendicularly in the same direction with respect to the first break part, and further that a part surrounded by these break parts is folded in the same direction at the angle of 40 to 50°. A burner is provided with a plurality of the burner heads 21 extending horizontally.