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Catalog
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Standard
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Specification
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Grade
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Thickness/mm
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State of delivery
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Note
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Main application
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structural
steel
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GB/T 714-2008
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Q345q
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C、D
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6-80
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CR
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Can supply plus Z in GB 5313 standard
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Mainly used in highway bridge, sea-crossing bridge, overpass, viaduct engineering with riveted and bolted。
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E
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6-60
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CR
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|||||
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Q370q
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C、D
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6-80
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CR
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||||
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E
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6-60
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CR
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|||||
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Q420q
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C、D、E
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6-50
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CR
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