Multiple choice technology

In Fe415 steel, 415 denotes

  1. Tensile strength

  2. Compressive strength

  3. Bearing strength

  4. Crushing strength
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A Correct answer
Explanation

The number 415 in Fe415 steel represents its yield strength of 415 MPa, which is the stress level at which permanent deformation begins. This is fundamentally related to tensile properties. Compressive, bearing, and crushing strengths are different material properties not indicated by this designation.

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