Thép hình I (I-Beam) JIS G3101 – SS400
Thép hình i là thép hình chữ i : thép hình i100x50,i120x60,i148x100,
i150x75,i150x100,i194x150,i175x90,i198x99,
i200x100,i248x124,i250x125,i250x175,i294x200,
i298x149,i300x150,i346x174,i300x200,i340x250,
i350x175,i350x250,i396x199,i400x200,i400x300,
i446x199,i450x200,i450x300,i482x300,i488x300,
i496x199,i500x200,i500x300,i582x300,i594x302,
i596x199,i600x200,i600x300,i700x300,i792x300,i800x300…