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AMERICAN STANDARD BEAM (S BEAM) DIMENSIONS SIZES

American standard beam (S Beam or Shape) dimensions, sizes and section properties. 

American standard beam is generally known as S beam or S shape. S shape is a rolled section with two parallel flanges connected by a web. S shapes have relatively narrow flanges. The designation of the S beam gives information about the width and weight per unit length. For example S12 X 50 means 12 inches depth and 50 pounds per foot weight per unit length.

The dimensions of the standard S beams are defined in the annex of ASTM A 6/A 6M standard.

American Standard Beam (S Beam) Dimensions Calculator:

INPUT PARAMETERS
Nominal Depth Weight in pounds per foot
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Structural Steel Shapes - W Shape
OUTPUT PARAMETERS
Parameter Value
Designation --- ---
Weight per unit length [W] --- lb/ft
Cross section area [A] --- in^2
Depth [d] --- in
Web thickness [tw] ---
Flange width [bf] ---
Flange thickness [tf] ---
Second moment of area [Ixx] --- in^4
Second moment of area [Iyy] ---
Section modulus [Sxx] --- in^3
Section modulus [Syy] ---
Radius of gyration [rx] --- in
Radius of gyration [ry] ---

Note: Use dot "." as decimal separator.

Supplements:

Reference:

  • Oberg, E. , Jones ,F.D. , Horton H.L. , Ryffel H.H., (2016) . Machinery's Handbook . 30th edition.  Industrial Press Inc. pp 2614
  • A 6/A 6M - 05a , Standard Specification for General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Piling



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