... 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 ... the requirement of ISO9001:2008 and is reqistered with the BM Trade Certification.