12H1MF-PV
High-alloy heat-resistant steel for the manufacture of seamless cold, teplodeformirovannyh, hot-including hot-pressed and hot-reduced pipes for steam boilers and piping systems with high and supercritical steam parameters
High-alloy heat-resistant steel for the manufacture of seamless cold, teplodeformirovannyh, hot-including hot-pressed and hot-reduced pipes for steam boilers and piping systems with high and supercritical steam parameters