?18?5?2

 
????? ???????????????? ?????????????

?????????????? ????????? ?18?5?2

?????: ?18?5?2
?????????????: ????? ???????????????? ?????????????
??????????: ??? ???????? ? ???????????? ???????????? ??? ????????? ?????????????, ??????????? ? ??????????? ?????? ? ???????


?????????? ?????? ? % ????????? ?18?5?2.

C Si Mn Ni S P Cr Mo W V Co
0.85-0.95 ?? 0.5 ?? 0.5 ?? 0.4 ?? 0.03 ?? 0.03 3.8-4.4 ?? 1 17-18.5 1.8-2.2 4.7-5.2


??????????? ??????????? ????? ????????? ?18?5?2.

Ac1=830,  Ar1=750