Saxanka daawaha 15CrMo waa bir kulaylka u adkaysata oo leh qaab-dhismeed pearlite ah, kaas oo leh awood kulayl sare (δb≥440MPa) iyo iska caabbinta oksaydhka ee heerkul sare, waxayna leedahay iska caabin gaar ah oo u leh daxalka hydrogen.