?? H13 ??? ???? ??? ????? ???? 38CrMoAl ??? ???? ?????????? ?????? ??, ?? ???? ?????? (HRC56-HRC59) ????? ??, ????? ??? ?????? ??? ??? ?????? ?????? ????????? ??? ?? ??? ??????? ????? ????? ?????? ????, ??????? ???????? ?????????? ???? ??????? ???????? ????? ??? ??, ?? ??????? ???? ??????? ?????? ????? ??? ??? ??.