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A36 steelFrom Wikipedia, the free encyclopedia

A36 steel is a standard steel alloy that is a common structural steel in the United States. [1] The A36standard was established by the standards organization ASTM International.

Contents

1 Properties2 Usage

2.1 Fabricated forms2.2 Methods of joining

3 See also4 References

Properties

As with most steels, A36 has a density of 7,800 kg/m 3 (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 75 GPa(10,900,000 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 58,00080,000 psi (400550 MPa).Plates thicker than 8 in have a 32,000 psi (220 MPa) yield strength and the same ultimate tensile

strength. [1] The Electrical Resistance of A36 is 0.0000153 ohm/cm. A36 bars and shapes maintain their ultimate strength up to 650F. Afterward, the minimum strength drops off from 58,000 psi: 54,000 psi at700F; 45,000 psi at 750F; 37,000 psi at 800F.

Usage

Fabricated forms

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

PlateStructural ShapesBar Sheet

Methods of joining

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A36 is readily welded by all welding processes. As a result, the most common welding methods for A36are the cheapest and easiest: shielded metal arc welding ( SMAW , or stick welding ), gas metal arcwelding ( GMAW , or MIG welding ), and oxyacetylene welding. A36 steel is also commonly bolted andriveted in structural applications.

See also

Structural steel

References

1. Steel Construction Manual , 8th Edition, second revised edition, American Institute of Steel Construction,1986, ch. 1 pages 15.

2. "MatWeb A36 steel bar" (http://www.matweb.com/search/DataSheet.aspx?MatGUID=d1844977c5c8440cb9a3a967f8909c3a&ckck=1). MatWeb. Retrieved 21 January 2012.

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Page2 of 2 A36 steel - Wikipedia, the free encyclopedia

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