C - 2.7%, Cr - 20%, Mo - 1%, V - 7.2%, W - 0.7%, S - 0.5i%, Mn - 0.5% -some notes from random Russian forum posts... take with a grain of salt. So far, this steel is only in diameters 35.8 and 38 Rounding up, 74euro per kg Rolling is not an option, they write that during cold rolling is prone to cracking. -Denis Frolov has some m398 roundbar stock. check out his instagram https://www.instagram.com/yanhook151984/ -Link to the pdf converted to English using an online translator. https://www.scribd.com/document/407854724/Bohler-M398-Ru-en -The original russian pdf link from Bohler. http://www.bohlernn.ru/media/Bohler_M398.pdf Found a few vids too, but i dont know russian.