iron and steel

1¡¢I-beam: Q235AB/F; Q345A (16Mn); 20#
2¡¢Channel: Q235A; B/F; Q345A (16Mn); 20#08CuPVXt
3¡¢Heavy rail, Welded steel rail: U71Mn; U71V (PD3)
4¡¢Heavy rail, Welded rail: U7Mn; BnbRe; U75V (PD3)
5¡¢Switch rail: U71Mn; U75V (PD3)
6¡¢Industrial rail: U7Mn; BNbRe, U75V (PD3)
7¡¢Crane rail: U71Mn
8¡¢Track Steel:40SiMn2
9¡¢Line-plate: 65Mn
10¡¢Equal angle: Q235A, B; Q345A (16Mn); 14MnNB
11¡¢Unequal angle: Q235A, B; Q345A (16Mn)
12¡¢Angle for shipping building: A (CCS); B (CCS); D (CCS)
13¡¢Bulb steel: A (CCS); B (CCS); D (CCS)
14¡¢: H-beam: Q235A, B; Q345A, B
15¡¢Square steel: Q195-235A; Q275#; 10-20#; 30-80#; 20-42CrMo; 10-40Cr; 20CrMnTi; 15-30Mn; 35-65Mn; Q345A
16¡¢Round steel: Q235A, B; 10-55#; Q345A; 16Mn; 20CrMnTi
17¡¢Tube blank: 10-45#; 2CrMo