ASTM alloy steel sheet 1.standard:ASTM,AISI,JIS,ISO,GB 2.width:700-1550mm 3.WT:4.5-200mm ASTM alloy steel sheet1.standard:ASTM,AISI,JIS,ISO,GB2.width:700-1550mm3.WT:4.5-200mm4.fast delivery time5.30% in advance balance6.secondary or not:non secondary7.alloy or not:non alloy ASTM alloy steel sheet