Steel Grade: 20Mn2 1320, 1321 SMn420 20Mn5 F80-f700 30Mn2 1330 SMn433H 30Mn5 35Mn2 1335 SMn438(H) 36Mn5 40Mn2 1340 SMn443 45Mn2 1345 SMn443 46Mn7 15Cr 5115 SCr415(H) 15Cr3 20Cr 5120 SCr420H 20Cr4 30Cr 5130 SCr430 28Cr4 35Cr 5132 SCr430(H) 34Cr4 40Cr ...Read More