????1??T8Cr??????й?????
????2??75Cr1????0.7??0.8%C??0.25??0.50%Si??0.5??0.7%Mn??0.3??0.4%Cr??P??0.035%??S??0.035%???乤?????
????3????????????????????????????????????????????????????????? ????????????????????ü??????(???????????????????????)???????????伷????????????????????
?????????
????75Cr1????0.7??0.8%C??0.25??0.50%Si??0.5??0.7%Mn??0.3??0.4%Cr??P??0.035%??S??0.035%???乤?????
???????????????????75Cr?????
???????????????????
????75Cr1????0.7??0.8%C??0.25??0.50%Si??0.5??0.7%Mn??0.3??0.4%Cr??P??0.035%??S??0.035%???乤?????
???????????????????75Cr?????
?????????T8?У?75cr1?????
????1.2003(75Cr1)????/????
????????75Cr1
?????????:1.2003
?????????б???? DIN 17350
?????????
????? C ??0.70-0.80
?????? Si??0.25-0.50
?????? Mn??0.60-0.80
?????? P ??0.03
?????? S ??0.03
?????? Cr??0.30-0.40
????75Cr1????1???????????????????????б????DIN 17350-1980
????75cr1(1.2003)????????????????壬???????????????и????????????????????????????cr???????У???????????????????????????????????????????????е??и?????????ж???????????Ч??????????75????C75????75Cr1????????????????????????У????Ч?????á???????75????C75????75Cr1????????????????????????У????Ч?????á?
????75cr1(1.2003)???????????:
????75Cr1(1.2003)???й???????????
