E1600series:60Si2Mn 60Si2Cr;Hardness 44-487HRC,Toe load,500-700kgf;
E1800series:60Si2Mn 60Si2Cr;Hardness 44-487HRC,Toe load,800-1000kgf;fatigue life 5million cycles;
E1809series:60Si2Mn 60Si2Cr;Hardness 44-487HRC,Toe load,800-1000kgf;fatigue life 5million cycles;
E2000series:60Si2Mn 60Si2Cr,55Si7;Hardness 44-487HRC,Toe load,1100-1400kgf;fatigue life 5million cycles;
E2039series:60Si2Mn 60Si2Cr,55Si7;Hardness 44-487HRC,Toe load,1100-1400kgf;fatigue life 5million cycles;
E2005series:60Si2Mn 60Si2Cr,55Si7;Hardness 44-487HRC,Toe load,1100-1400kgf;fatigue life 5million cycles;