steel welding rod 1.Material: ST52-3 TUB, plate steel,ST37 PIPE 2.Surface:painting 3.Customers' design are available High quality steel ... welding rod1.Name: welding steel rod/holder2.Material: ST52-3 TUB, PLATE ... ,JIS,ANSI,ASTM,BS,GBYour drawing and design are welcome. High quality steel welding rod