What is a typical number for the modulus of elasticity?

The modulus of elasticity, also known as Young's modulus, is a fundamental property of materials that measures their stiffness or resistance to deformation under stress. For many structural materials like steel, a typical modulus of elasticity falls within a certain range.

1,300,000 psi is a commonly accepted value for the modulus of elasticity for structural steel. This value indicates that steel has a high capacity to resist deformation when subjected to tensile stresses, making it an ideal choice for a wide variety of construction applications.

Other numbers listed, while they may represent modulus values for different materials or specific scenarios, do not align with the general standards for structural steel properties. Thus, identifying 1,300,000 psi as a standard measure helps students understand foundational concepts in structural engineering and material science that are vital when dealing with construction materials and their applications.