Internal Standard
SAE52100
EN31M
EN31
Equivalent Grades
BS
534A99/535A99
534A99/535A99
534A99/535A99
DIN
100Cr6
100Cr6
100Cr6
IS
103Cr1
103Cr1
103Cr1
EN
EN31
EN31M
EN31
SAE/AISI
SAE52100
SAE52100
SAE52100
JIS
SUJ 2
SUJ 2
SUJ 2