High quality carbon steel hot rolled i profile steel beam for roof support 1.Factory price. 2.Small order & ... Customized size ok We supply high quality I-beam steel with reasonable price. And can supply the processing of welding, cutting, bending, drilling, blast ... , A36, S235JRG1, Q235, Q345 etc.Length: 6meter, 9meter, 12meter High quality carbon steel hot rolled i profile steel bar for roof ...