???? ???? Astm A105n - ???? ????? ????? ???????? ????? ??????

???? ???? ??????????? ??? ??????? ???????? ???????? ?????? ?????? ????? ?? ?????? ASTM A105N ????? ??????. ??? ????? ???????? ???? ?????? ?????? ???????? ???? ?????? ASTM ???????? ??? ?????? ?????? ????????? ?? ????? ????????? ????????? ASTM A105N ?? ??????? ?????? ???????? ???????? ??????? ???????? ????????? ?? ??????? ????????. ?? ????? ?????? ASTM A105N ?????? ??? ????? ???? ????? ????? ??????? ???????? ??? ?????? ?????? ????????? ?? ?????? ????? ?????? ??????? ?????????? ???????????????. ??? ???? ?????? ????????? ?? ??????? ????? ?????? ????? ?????. ????? ?????? ASTM A105N ?????? ??? ?????? ???????? ??? ?????? ???? ?????? ?????? ?????? ????????? ??????? ????????. ??? ??????? ???????? ???? ??? ????? ?????? ????? ????????? ????? ????? ?????? ?????????? ???????. ?? ???? ??????????? ??? ??????? ???????? ????????? ??? ??????? ?????? ??????? ????? ???? ???????? ????? ????? ??????. ???? ??? ????? ?????? ?????? ?? ???? ASTM A105N ???? ?????? ?? ???? ???????