1. Matarial: 5#, 6.3#, 8#, 10#, 12#, 12.6#, 14#, 14A, 14B 2. Grade: Q235B 3. Lengh: 6m, 12m We can supply high quality channel steel with low price.The specifications are below, we also can provide other specifications as customers' requirements.If you are interested in long term business relations, please dont hesitate to contact us.