What factors affect the hot and cold strength of channels made of steel plates?
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The strength of steel channels, whether in hot or cold conditions, is influenced by various factors. For cold-formed high-strength steel (CHS) channels, the web crippling strength is sensitive to changes in hole size and bearing length, with hole size having the most significant impact . In hot stamped channels of boron steel, wear behavior is affected by high blank temperatures and temperature cycling, leading to tool failures and maintenance costs. Understanding contact pressure and sliding over the tooling is crucial for estimating tooling life in hot stamping processes . Additionally, for cold-formed steel (CFS) channel sections with circular web holes, the strength at elevated temperatures is influenced by factors like web hole size and bearing length, with reliable reduction factor equations proposed for such sections .
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| Papers (5) | Insight |
|---|---|
3 Citations | The size of web holes and bearing length influence the strength of cold-formed steel channel sections at elevated temperatures, as shown in the finite element analysis. |
Open access 01 Jan 2015 1 Citations | Temperature and contact pressure significantly impact the strength of hot stamped channels in boron steel, affecting wear on tooling and tooling life estimation in hot stamping processes. |
| Factors affecting the strength of steel channels include web hole size, bearing length, and flange fastening conditions, with hole size having the most significant impact on strength at elevated temperatures. | |
| The use of packing plates at joints in cold-formed channel sections can increase load capacity and reduce buckling, impacting the strength of steel plates in hot and cold conditions. | |
| Not addressed in the paper. |
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