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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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Building
Structural
steel
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GB/T 19879-2005
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Q235GJ
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C、D
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6-80
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NR
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Can supply plus Z in GB 5313 standard
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With features of easy welded, anti-seismic, anti low temperature, etc. widely used in high building, stadium, airport, railway, steel structure workshop, etc.
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E
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6-60
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NR
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Q345GJ
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B、C、D
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6-80
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NR
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E
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6-60
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NR
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Q390GJ
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C、D、E
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6-50
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NR
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Q420GJ
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C、D、E
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6-50
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NR
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