... ,and low or middle speed.The work temperature is -20•C ~+ 110 •C .lf the conditions. Change,please connect with our engineers ... resistance,wearing resistance and stable dimension.lts chemical composition is:(wt%)C 0.9-1.05Cr 1.40-1.63Si 0.15 ... -0.35Mn 0.25-0.45P 0.027P = 0.02(wt%)Ni <0.23Cu = 0.25Mo = 0.1Sn <0.03As <0 ... .04As <0.005(wt%)Sb <0.002Pb <0.002O <0.001Al <0.05Ca <0 ...