I beam / I-beam / I beeam steel 1.Material : SS 400, ST37-2 , A36, S235 ... 6 meter, 9 meter GB standard Hot Rolled steel I beam Q235/A36/ST37-2/SS400 Length : 6 meter, 9 meter,12meterMaterial ... : BS, JIS, ASTM, DIN, EN, GB, AISIGrade: SS400 - SS490Packaging Detail:In Bundles by export standard (according to client ... CO.,LTDSKYPE:hbxsd_selina GB standard Hot Rolled steel I beam Q235/A36/ST37-2/SS400