The research concentrated on quantifying the effects of varying the levels of carbon (C, at concentrations around 0.2 weight %) and chromium (Cr, in the range of 6 to 15 weight %).
Cercetările s-au concentrat pe cuantificarea efectelor diferitelor niveluri de carbon (C, concentrații de circa 0,2 % masice) și crom (Cr, 6–15 % masice).