welded I steel beam 1. welded and hot rollled H beams 2. material: Q235, Q345, Q235B, Q345B 1. Size: Full range of both metric and inch size 2. Grade: Same as hot rolled beams 3. Can supply as per buyers' requirements, including drilling, shot blasting and Painting4. with anti-corrosive and anti-fire paint welded H-section steel beam