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Q345GJB Q345GJC Material H Beam
Q345GJB Q345GJC Steel Beam H
Q345GJB steel beam is used for high-rise construction of structural steel.Q345GJ steel beam h is a kind of construction of structural steel, steel plate standard, shape, weight and allowable error should be in line with the rules of GB/T 709, the thickness of the negative error is limited to -0.3mm.Specifically Q is the yield, 345 is the average value of the strength of the yield, GJ is the high-rise construction.
Q345GJC referred to as high construction steel, Q345GJ steel h profile with easy to weld, seismic, low-temperature impact resistance and other properties, if necessary, also requires thickness direction performance.
Q345GJC h shape metal is mainly used in large-scale construction projects such as high-rise buildings, ultra-high-rise buildings, large-span stadiums, airports, convention and exhibition centers, and steel plants.
China Structural Steel Beams Distributors--GNEE Group
Q345GJB Q345GJC Steel Beam
Q345GJB Q345GJC h shape metal chemical composition:
| Grade |
thickness(mm) |
C |
Si |
Mn |
P |
S |
| Q345GJB |
6～100 |
≤0.20 |
≤0.55 |
≤1.60 |
≤0.025 |
≤ 0.015 |
| Q345GJC |
6～100 |
≤0.20 |
≤0.55 |
≤1.60 |
≤0.025 |
≤0.015 |
China h beam section Factory--GNEE Group
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China h type steel beam Factory--GNEE Group
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