... Structural carbon steel hot rolled carbon round steel(Q235 Q235B Q345 Q345B ASTM A36 SS400 S275JR S235JR SS355.....manufacture)specificationOuter Diameter:3.5mm ... ,DIN,AISI,ASTMCertificateISO9001-2008 Material10#,20#,45#,Q195,Q235B ,SS400,ASTM A36,S235JR,St37-2,Q345B,S355JR,etc.ApplicationA) General service industries (petroleum ... -25 DAYS after receipt of the T/T or L/C, depend on quantity