What is Stronger Steel Square Hollow Section or steel Circular Hollow Section

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SUMMARY

The discussion centers on the strength comparison between a 33.7mm diameter x 4mm thickness Circular Hollow Section (CHS) and a 40mm x 40mm x 2.5mm Square Hollow Section (SHS) for chassis construction. Both sections weigh approximately the same per meter, prompting a detailed analysis of their compressional and tensile strengths. Key considerations include the axis of load application and the intended use, particularly whether the structure will support human weight.

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  • Understanding of structural engineering principles
  • Knowledge of material properties, specifically steel
  • Familiarity with load-bearing calculations
  • Experience with chassis design and construction
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  • Research the compressive and tensile strength properties of steel CHS and SHS
  • Explore the impact of load direction on structural integrity
  • Learn about the design considerations for chassis construction
  • Investigate relevant engineering standards for safety and performance
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Engineers, chassis designers, and construction professionals seeking to optimize material selection for strength and safety in structural applications.

mclaughlin684
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Hey there, I am going to by building a chassis and i am wanting to find out if 33.7mm dia X 4mm thickness circular hollow section or 40mm X 40mm X 2.5mm Square Hollow Section is stronger these two weight around the same per meter

thanks Ian
 
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Are you talking about compressional strength? Tensile strength? Along which axis?
 
Is this intended to support people?
 

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