1) Irin akọkọ: Q345, Q235, Q345B, Q235B ati be be lo.irin be ile ise|ile prefab|ibi ipamọ́ irin2) iwe & tan ina: Welded tabi Gbona ti yiyi H-apakan
Iru: Irin ina s Standard: AISI, ASTM, BS, DIN, GB, JISIwe-ẹri:ISO9001/CE EN1090Itọju oju: Gbona Dip Galvanized/Ya