Q345B Hot-rolled H-shaped steel, with wide flange and high lateral rigidity; strong bending resistance, about 5-10% higher than that of I-beam, the two surfaces of the flange are parallel to each ...View More
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Low Alloy Steel H Beams W4 W5 W6 W8 for Custom Size Dimensions He160b He180b He200b Q345b Hot Rolled Load-Bearing Bracket