A572GR50 Q345B S355JR Low Alloy Hot Rolled Steel Plate Mill standard . Brief intorduction:Thickness range:6.0-150MM. Width:1500-4000MM. Grade:A572GR50/Q345B/S355JR/SM490A. Weighting:by theoretical weight basis . 1. Chemical Composition
China Mild Steel I Beam (Q235 Q235B Q345 Q345B) - China Mild Steel I Beam, Ms I Beam, Q345 I Beam manufacturer / supplier in China, offering Mild Steel I Beam (Q235 Q235B Q345 Q345B), 1/16 Hard C22600 Bronze Coil Bronze Strip, X Ray 10mm 2mmpb Lead Glass Window for CT Room and so on.
The major benefit of Q345 steel is its mild temper, easy to form and weld. Q345 steel is one kind of Chinese standardized low alloy, medium tensile strength steel made with a hot-rolling process, used for a number of manufacturing purposes. To some extent, the Q345 possesses the same property and composition of ASME A572, namely the Q345 is equivalent to A572.
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