l Normal Specification: 4320*310*83*3mm, available in different sizes l Profile: w-beam; thrie-beam l Standards: JT/T 281-1995, AASHTO M-180, RAL-RG620, SPS98S, or any other International Standards. l Base steel: Steel Grade Q235B (equivalent to S235JR according to DIN EN10025 and Gr.D according to ASTM A283M) l The thickness of the steel:3mm, 4mm, 6mm, or according to consumers' request l Finish: ...