In order to get better surface quality in the production of elbow in the traditional process, many ways will be taken in the process of use to effectively improve the quality of its products, elbow in the process of production can be directly used in its high strength mold, or directly use its lubri

Precautions and methods of stamping elbow should be strictly paid attention to in use to ensure the quality and performance of stamping elbow, so that it has a good service life. Item 1: The stamping elbow has a large hardening after welding and is prone to crack. Different welding rods are used f