Butt welded Pipe elbow

 In the pipeline system, elbows are used to change the direction of pipes. They can be manufactured with different angles & materials. 45deg, 90deg, 180deg these 3 kinds are very common. According to bend radius, there are long radius and short radius elbows. The both ends for bw elbows are bevel ends. For carbon steel elbows, they will be painted to black color. If material is stainless steel, it’s not necessary to be painted. A234 WPB is in common use all over the world. If the sizes for both diameters are not equal, it is called reducing elbow. With good over-all properties, elbows have a wide application range, such as chemistry, space industry, shipbuilding and so on.