performance of TRIP steel is equivalent or superior to the level of similar products abroad. At present, Ansteel has developed TRIP steel sheet with strength grade of 590 and 780 and provided it to customer in batch. The TRIP steel with strength grade of 980 has been developed in laboratory. steel and pressure tube steel (Fig. 3).Vallourec Smart Tubular SolutionsVallourec Smart Tubular Solutions. Renewable energies. 130 years of expertise to provide sustainable solutions and services for the energy transition.