Category: How to
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Elastic vs. Plastic Section Modulus: S and Z in Steel Shape Tables
Learn the difference between elastic section modulus S and plastic section modulus Z, how each relates to steel shape geometry, and how to read them in section tables.
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Strong Axis vs. Weak Axis in Structural Steel Sections
Learn how strong-axis and weak-axis bending relate to Ix, Iy, Sx, Sy, orientation, and detailing for W-shapes, channels, angles, tees, and HSS.
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Radius of Gyration in Steel Shape Tables: Understanding rx, ry, and Slenderness
Learn what rx and ry mean in structural steel shape tables, how radius of gyration relates to moment of inertia, and why it matters in column slenderness.
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Nominal vs. Actual Structural Steel Dimensions: A Guide for CAD and Detailing
Learn how nominal steel dimensions, mill tolerances, fillets, HSS corners, and field conditions affect structural detailing and CAD geometry.
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How to Read a W-Shape Steel Section Table
Learn how W-shape steel designations work and how to interpret depth, weight, axes, section properties, and CAD reference data.
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