... meters, 9m, 12m... standard: JIS,EN Steel I-Beam Material: Q195,Q235,Q345,SS400 I-Beam can be used in a variety ... of building structures,the bridge,the support,etc.Steel I-BeamMaterial: Q195,Q235, Q345, SS400I-Beam can be used in ... a variety of building structures, the bridge,the support and so on.Standard: GB,ASTM,DIN,JIS,AISI,BSMaterial: Q195,Q235 ...