Chemical composition 
 Element C Si Mn Cr Mo VPS 
 Content (%) 0.32 ~ 0.42 0.80 ~ 1.20 0.20 ~ 0.50 4.75 ~ 5.50 1.10 ~ 1.75 0.80 ~ 1.20 ≦ 0.030 ≦ 0.030 


 Factory Hardness: Annealed to HB ≦ 235 
 Features: electroslag melting of steel, compact, clean steel refining furnace, such as to a better performance 
 Uses: aluminum-magnesium alloy extrusion die, die casting mold, especially for large or complex shape of the mold can be used for copper alloy extrusion die, die casting, hot press mold can be used for steel