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H beam q345b,Q345B H beam mill certificate,Q355B h steel beam
High tensile strength H beam q345b is one light weight steel profile for high-rise building construction,bridge,shipment building.In new version steel specification,Q355B h steel beam replaced of H beam Q345B.
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H beam q345b mechanical property:
Tensile strength: 470-630 Mpa
Yield strength: 345 Mpa Min. (Thickness ≤16mm)
Density: 7.85 kg/dm3
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