网页2024年2月27日 · The butt joint is obtained by butt together the two plates lying in the same plane and welding the edges or ends of the plates. It is used to joint the plates having a thickness of 3 to 12 mm. Plates having a thickness less than 5 mm do not require beveling of edges whereas plates having a thickness between 5 to 12 mm, should be beveled to form ...