I-Beam
I-Beam ,ASTM EH36 A36 Hot Rolled S235JR UPN180 UPN140 Q355D Construction Carbon Steel Channel S355 SS400 Galvanized Steel C Channel H beam I beam IPN UPE HEB HEA section beam profile
I-Beam ,ASTM EH36 A36 Hot Rolled S235JR UPN180 UPN140 Q355D Construction Carbon Steel Channel S355 SS400 Galvanized Steel C Channel H beam I beam IPN UPE HEB HEA section beam profile