???? ??????? ????? ???? ???? ????? ?????? ??????? ? ????????? ???? ???? ????? ?????? ????????? ???? ????????? ?????-????? ????? ???????? ????? ?? ?? ???? ??????? ???? ????? ????? ? ???? ?????? ? ????? ????????? ??? ?????, ????? ????????? ????????? ? ?????-???? ????? ?????? ???????????? 2.0 ? ???? ???? 30% -40% ??, ? 2.0 ?????? ?????? ?? 40% -48% ?? ??????? ????????? ???? ???????? ??????

?????? ???????? ????????? ?????? ????, ???????? ?????? ?, ??? ??????? ?????????? ??? ?????? ??????? ?, ???? ?????? HRC60 ????? ??? ?, ????? ???????? ????????? ????? ????????? ?, ???? ???? ??????? ???????????? ????? 3-5 ???? ???? ?; - ??????? ??????? ???????? ????? ????, ??????? ?????????? ?????? ? ? ???????? ?????? ???????? ???? ??????, ????????????????, ??????????, ? ????????? ????? ??????? ????????????? ?????? ???????? ?????? ???? ???? ??? ????????? ?????? HRC58-HRC62 ???? ?????; ???? ?????, ???????? ????? ?????? ???-??? ????????? ?????? ≤ HRC32 ??; ??? ????????? ???????????? ??? ???????, ? ???????? ????? (???????? ????) ?? ??? ??? ?????? 5g ????? ??? ????? ????????? ??????, ????? ????? ?????? ?????? ????????? ?????? ????????