... 2Small order&customize 3Fast delivery time Structual steel high quality hot rolled carbon round steel(Q235 Q345 SS400 S235JR S275JR S355JR....manufacture,customize)specificationOuter ... JIS,DIN,AISI,ASTMCertificateISO9001-2008 Material10#,20#,45#,Q195,Q235B ,SS400,ASTM A36,S235JR,St37-2,Q345B,S355JR,etc.ApplicationA) General ... /Cdelivery time7-25 DAYS after receipt of the T/T or L/C, depend on quantity