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W6X8.5 Model Q345b Ss400 Carbon Steel H Beam

May 15, 2025 Leave a message

W6X8.5 Model Q345b Ss400 Carbon Steel H Beam

 

W6x8.5 h type beam of Q345B and SS400 materials are both economical H-shaped steels with reasonable cross-sectional design, high load-bearing capacity and good processing performance.


Q345B is suitable for high loads and low temperature environments, while SS400 is more suitable for general construction and economical industrial use.

 

 

W6x8.5 American standard H-beam specific dimensions


Height (H): 6 inches (about 152.4 mm)
Flange width (B): 8.5 inches (about 215.9 mm)
Web thickness (tw): 4.3 inches (about 109.2 mm)
Flange thickness (tf): about 0.5 inches (about 12.7 mm)

 

 

Characteristics comparison


Q345B h beam profile material
Excellent overall performance: high yield strength, suitable for high-load structures.
Good low-temperature performance: suitable for cold areas.
Excellent welding performance: easy to construct.
General corrosion resistance: requires coating protection.


SS400 h steel profile material
Low cost: suitable for economical structures.
Good welding performance: easy to process.
Moderate tensile strength: suitable for general construction and industrial use.
General low-temperature performance: attention should be paid to low-temperature use conditions.

 

 

Comparison of uses


Q345B steel beam h material
Building structure: beams and columns of high-rise buildings and large factories.
Bridge engineering: supporting structures of small and medium-sized bridges.
Machinery manufacturing: mechanical parts that bear high loads.
Pressure vessels: such as storage tanks and pipelines.


SS400 h profile steel material
Building structure: beams and columns of general factories and warehouses.
Bridge engineering: supporting structures of small and medium-sized bridges.
Industrial use: such as mechanical equipment and brackets.
Civil buildings: such as beams and columns of residential and commercial buildings.

 

 

Comparison of implementation standards


Q345B h type steel beam material: in line with China GB/T1591-2008 standard.
SS400 material h beam: in line with Japan JIS G3101 standard.
 

 

Main differences between Q345B and SS400

 

Strength: The yield strength and tensile strength of Q345B are higher than those of SS400.
Low temperature performance: Q345B is more suitable for low temperature environments.
Application areas: Q345B is suitable for high loads and complex structures, while SS400 is more suitable for general construction and economical industrial uses.
Implementation standards: Q345B follows Chinese standards, and SS400 follows Japanese standards.
If you have more specific application needs, you can choose the right steel according to these characteristics.

 

h profile steel

 

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