430
????(Ferrite)?? ???? ????, ????? ??, ??? ? ????? ?? ????.
?????:
| ?? | Type 430 |
?? | ??? ????, ????? Austenite??? ??，????? Austenite??? ??, ???? ??? |
?? | ????, ??, ????, ?????(Hard Driver), ?? ??, ??? ??????, ????? ??, ??? |
Chemical Composition (wt％)
| ?? | C | Si | Mn | P | S | Cr |
| ?? 430 | ≤0.12 | ≤0.75 | ≤1.00 | ≤0.040 | ≤0.030 | 12.0～14.0 |
????:
| ?? | YS（Mpa） | TS（Mpa） | EI（%） | Hv |
| TYPE 430 | ≥205 | ≥450 | ≥22 | ≤200 |