27Si Mn alloy steel plate 1)standard:AISI, ASTM, BS, DIN, GB, ... 3)LTH:3.5-12m 4)TYPE:alloy steel 27Si Mn alloy steel plateStandard:DIN1629/4,DIN1629/3, Material:St52.4 ... in the stockBV CERTIFICATE OF OUR COMPANYPRODUCTS FLOW SHEET 27Si Mn alloy steel plate