Size: dia 300mm*1300-1400mm or powder
chemical composition,%: C 0.25 S0.01 AL 0.035 Ca 0.042 Co 0.0025Cr 0.01 Cu 0.0014 Mg 0.0361 Mn0.0216 Na 0.0058 Ni 0.0011 Pb 0.002 Zn 0.0006