{supertable}
 
Equivalent Grades
 
 
 
 
 
Internal Standard
BS
DIN
IS
EN
SAE/AISI
JIS
60Si7
-
60Si7
60Si7
EN45A
-
-
SUP7
-
59Si7
-
EN45A
9260
SUP7
SUP12V
685A57
54SiCr6
-
-
9254
SUP12V
55Si7
-
55Si7
55Si7
EN45A
-
-
EN45
250A53
55Si7
55Si2Mn90
EN45
9255
-
EN45A
250A58
-
-
EN45A
9260
-
50CrV4
735A51
50CrV4
50Cr4V2
EN47
6150
SUP10
        SUP11A
-
-
-
-
51B60
SUP11A
       SUP9
-
55Cr5
-
-
5155
SUP9
{/supertable}