difference between C18 and C8 Column

Columns are structural elements that are used to support a load. They are made of different materials, such as wood, concrete, and steel. In the case of steel columns, they are categorized based on their size and strength. Two common types of steel columns are C8 and C18 columns.

Main Differences between C18 and C8 Column:


Difference between C8 and C18 columns:

  1. Size: The size of a column refers to its height and width. C8 columns have a width of 8 inches, while C18 columns have a width of 18 inches. Both columns have a standard height of 10 feet.
  2. Strength: The strength of a column is measured in pounds per square inch (PSI). C18 columns are stronger than C8 columns, with a strength of 50,000 PSI compared to 36,000 PSI.
  3. Load capacity: The load capacity of a column refers to the maximum weight it can support. C18 columns can support more weight than C8 columns due to their higher strength, making them suitable for larger and more complex structures.
  4. Cost: C18 columns are more expensive than C8 columns due to their larger size and higher strength.
  5. Usage: C8 columns are commonly used in smaller structures, such as residential homes, while C18 columns are used in larger structures, such as commercial buildings and bridges.

In summary, while both C8 and C18 columns are steel structural elements used to support a load, they differ in their size, strength, load capacity, cost, and usage. C8 columns are suitable for smaller structures, while C18 columns are used in larger and more complex structures that require higher strength and load capacity.


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