1.Standard: S235JR, S275JR, S355JR, Q195, Q235, Q345
2.Size: 50-400C-Shaped Steel
3.Tolerance: +/-2%
4.Place of origin: Tianjin,China
5.Delivery Time: 7-10 days in stock, about 30 days for customized service
C purlins are structural steel components shaped like the letter "C", widely used in modern steel construction for supporting roof and wall panels.