Causes des fissures des tuyaux en acier sans soudure

Tuyau en acier sans soudure (tuyau SMLS) fissures raisons: 1. Raw material factors Inferior tube blanks will have internal and external warping, cicatrices, fissures, etc.; 2. Temperature factor The first important process in the production of seamless steel pipes is heating. Mauvais chauffage (irrégularité, température insuffisante, etc.) provoquera un gauchissement intérieur, etc.; 3. Equipment factors From the beginning of the furnace,…