Why should steel pipes be heat treated?The function of heat treatment is to improve the material mechanical properties of steel pipe, eliminate residual stress and improve its cutting performance.According to different purposes of heat treatment, heat treatment process can be divided into two catego

Why should steel pipes be heat treated?The function of heat treatment is to improve the material mechanical properties of steel pipe, eliminate residual stress and improve its cutting performance.According to different purposes of heat treatment, heat treatment process can be divided into two catego

Why should steel pipes be heat treated?The function of heat treatment is to improve the material mechanical properties of steel pipe, eliminate residual stress and improve its cutting performance.According to different purposes of heat treatment, heat treatment process can be divided into two catego