Carbon steel flange storage is very important, the general project will choose carbon steel quality, carbon steel flange surface is very easy to appear floating rust, placing time long appearance is not beautiful, the storage of flanges shall not be placed directly on the ground, put the ground into
Carbon steel elbow in accordance with the production process can be divided into: welding elbow, stamping elbow, casting elbow and so on. Valve testing machine Most gaskets are from non-metallic plate, or by the professional factory in accordance with the size of the production, its materials for as
Heating temperature is a key index in heat treatment of large diameter flange and other flange fittings. The selection and control of heating temperature involves the quality of heat treatment and the final product quality, therefore, how to choose the proper heating mode and how to control the heat