????? ?-40Cr ?? 42CrMo ????? ?????, ???? ?????? ?????? ???? ??????????, ?????, ????? ???????, ?????????, ????? ???? ??????, ????? ????? ?? ????? ?????? ????? ?? ??????? ??? ????? ??? HRC58- HRC62, ????? ????? ?????? ????? ?????? ?? ?????? ???????.
????? ?????? ???? ?????? ??????? ?????? ?????? ????????: ??? ?? ????, ??? ??? ???? ?? ??? ???, ??? ????? ?? ?? ????, ??? ?? ???? ?????? ?????, ??? ?? ??? ???? ???? ?? ???.
????? ????? ????? ????????? ???? ???? ????? ????? ?????? ?????? ?? ????? ???? ????? ?????? ??????? ?? ??????, ??? ?? ??????? ???????????? ?? ??????? ???????? ?????????? ?? ????? ????.