China S235jr S235j2 S235j0 Ms Structural I Beam - China I q235 ss400 s235jr ms flat bar size
Tianjin Standard Steel Co., Ltd supply I beam H beam steel struction. Our material include Standard Steel offers Q235, Q235B, Q235C, Q235D, Q235E, Q345, Q345B, SS400 , St37 , S235j2 ,S235JR, S275 , S355J2 , S355jr A36, Executive Standard EN 10025-2 S235JR A529-50, A572-50 A992 and A588 1. Description An I-beam, also known as H-beam, Weam (for "wide flange"), Universal Beam (UB),
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q345b coil used in bridge engineering with standard sizes