Young's Modulus Of Steel

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A36 steel is a common structural steel in the United States.[1] The A36 standard was established by the ASTM International.

Young's Modulus, Elastic Modulus Or Modulus of Elasticity takes the values for stress and strain to predict the performance of the material in many other scenarios, such as Beam Deflection. And is calculated using the formula below: E = Young's Modulus. Youngs Modulus Calculator. Pa MPa GPa psi ksi. Pa MPa GPa psi ksi. Calculate Clear. The Young’s modulus of steel can be found in the table above. Office timeline mac alternative. Examples (with solution) Example 1. Determine Young’s modulus, when 2N/m 2 stress is applied to produce a strain of 0.5. Solution: Given:Stress, σ = 2 N/m 2 Strain, ε = 0.5 Young’s modulus formula is given by, E = σ / ϵ = 2 / 0.5 =4 N/m 2.

Properties[edit]

As with most steels, A36 has a density of 7,800 kg/m3 (0.28 lb/cu in). Young's modulus for A36 steel is 200 GPa (29,000,000 psi).[2] A36 steel has a Poisson's ratio of 0.26, and a shear modulus of 78 GPa (11,300,000 psi).

A36 steel in plates, bars, and shapes with a thickness of less than 8 in (203 mm) has a minimum yield strength of 36,000 psi (250 MPa) and ultimate tensile strength of 58,000–80,000 psi (400–550 MPa). Plates thicker than 8 in have a 32,000 psi (220 MPa) yield strength and the same ultimate tensile strength of 58,000–80,000 psi (400–550 MPa).[1]The electrical resistance of A36 is 0.142 μΩm at 20 °C. A36 bars and shapes maintain their ultimate strength up to 650 °F (343 °C). Afterward, the minimum strength drops off from 58,000 psi (400 MPa): 54,000 psi (370 MPa) at 700 °F (371 °C); 45,000 psi (310 MPa) at 750 °F (399 °C); 37,000 psi (260 MPa) at 800 °F (427 °C).

Fabricated forms[edit]

A36 is produced in a wide variety of forms, including:

  • Plates
  • Structural Shapes
  • Bars
  • Girders
  • Angle iron
  • T iron

Methods of joining[edit]

Young

A36 is readily welded by all welding processes. As a result, the most common welding methods for A36 are the cheapest and easiest: shielded metal arc welding (SMAW, or stick welding), gas metal arc welding (GMAW, or MIG welding), and oxyacetylene welding. A36 steel is also commonly bolted and riveted in structural applications.

See also[edit]

References[edit]

  1. ^ abSteel Construction Manual, 8th Edition, second revised edition, American Institute of Steel Construction, 1986, Ch. 1 pp. 1–5.
  2. ^'MatWeb A36 steel bar'. MatWeb. Retrieved 21 January 2012.
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