I Beam Widely used for various architectural structure, bridges, vehicle, stents, and machinery, etc StandardAISI, ASTM, BS, DIN, GB, JIS, etcGradeA36 SS400 Q195 Q235 Q345, etcWeb Depth100-630mmFlange Width68-180mmWeb Thickness4.5-17mmFlange Thickness7.6-15.8mmWeight11.261-141.189kg/mLength5.8-12m Payment TermsL/C at sight or T/T.Deliver ConditionsShipping Transport or Cargo. ...