... material:Q235. Q345, St37-2, S355N... 2.Size:100X50X5X7mm-912X302X18X34mm 3.Standard: DIN, JIS, ASTM Hot steel 1.The material:Q235 ... . Q345, St37-2, S355N... 2.Size:100X50X5X7mm-912X302X18X34mm 3.Standard: DIN, JIS, ASTM,We are a largest leading Structural ... products, such as 1) H-Beam & I- Beam2) Channels & Angels 3) IPE & IPE AA 4) Steel light & heavy rails5) Steel sheet ...