304?????????????????304????кβ??
???????????????????????????????????????????????????????????????
Skd11 ????д???? 304???????? ????????????????????
SK11?????????н????????304?????????????
201??????304?????????????
201?????????????,???????д???.201: C0.15 SI1.0 MN5.5-7.5 P0.06 S0.03 NI3.5-5.5CR16.0-18.0304??????????????,???????. 304: C0.08 SI1.0 MN2.0 P0.045 S0.03 NI8-10 CR18-20 ??201??304???????.?????????????201???1Cr17Mn6Ni5N 304????1Cr18Ni9 201??????????????
440c??????304??????????????
304??????????????????
440C???????????????????????????????????1.0??????17
???÷?Χ?????????????????????????????????????й?????????????440C???н?????3??????????????????????????????и???á??????????????????????????????????????????????????????е??440C?????????????????
???????
? C ??0.95??1.10
?? Si?? ??0.8
?? Mn?? ??0.8
?? S ?? ??0.030
?? P ?? ??0.035
?? Cr??17.00??19.00
?? Mo??0.4??0.7
?? Ni????????С?0.60[1]
???????
???????,??269HB;
?????,??58HRC
??е?????
?????(250 N/mm2)
???????(560 N/mm2)
EL(18 HB(250??[1]
????????
1)???,800??920?滺??;
2)???,1010??1070??????;
3)???,100??180?????[1]
??????
????????????????????????????????????????δ?????????????????????
1??SUS304??????岻???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
2??SUS440C???????岻????????????????????????????????????е????SUS304???????????????????????????????е??????д?????????????????????????????????????????????????????
3???????????????????????????Cr??Ni??????й??304??????е?Cr??Ni?????????????440C?в?????Ni????????304????????????????????
SUS304????????????????
??????304????????????????18000-26000??????304???????й??????о?????????????????????????????????
