Large
|
Catalog
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Standard
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Specification
|
Grade
|
Thickness/mm
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State of delivery
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Note
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Main application
|
|
Building
Structural
steel
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GB/T 19879-2005
|
Q235GJ
|
C、D
|
6-80
|
NR
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Can supply plus Z in GB 5313 standard
|
With features of easy welded, anti-seismic, anti low temperature, etc. widely used in high building, stadium, airport, railway, steel structure workshop, etc.
|
|
E
|
6-60
|
NR
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|||||
|
Q345GJ
|
B、C、D
|
6-80
|
NR
|
||||
|
E
|
6-60
|
NR
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|||||
|
Q390GJ
|
C、D、E
|
6-50
|
NR
|
||||
|
Q420GJ
|
C、D、E
|
6-50
|
NR
|
Building Structural steel