An elbow is a piece of pipe that changes the direction of a pipe. According to the Angle, there are 45° and 90°180° three most commonly used, in addition, according to the needs of the project also includes 60° and other abnormal Angle elbow. Stainless steel elbow is processed with stainless steel pipe or stainless steel plate production. According to manufacturing standards, it can be divided into national standard, ship standard, electric standard, water standard, American standard, German standard, Japanese standard, Russian standard and so on. The production method can be divided into pushing, pressing, forging and so on.