... applications.Chemical composition: C: 0.06-0.15%, Si: 0.18-0.56%, Mn: 0.25-0.66%, Cr: 7.9 ... .1%Tensile strength: 585MPa - 760Mpa,Yield strength min: 450MPa, Elongation: 18%Size Available: 10*2000*6000, 20*2000*6000, 25*2000 ... , etc. according to your order, min order: 10ton of SA387 Gr 91. steel plate S387 ...