Category: How to
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Skewed Structural Steel Connections: Plan Angles, Work Lines, and True Connection Geometry
Learn how to detail skewed structural steel connections using clear work lines, plan angles, connection planes, setbacks, and true-size CAD views.
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Split Structural Tees: Parent Shapes, Cut Lines, and Detailing Coordination
Learn how split structural tees relate to parent I-shapes, cutting methods, stem geometry, section properties, availability, and CAD detailing.
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Exact vs. Simplified Steel Shape Geometry in CAD: Choosing the Right Level of Detail
Learn when to use single-line, simplified, detailed, or property-grade steel shape geometry in CAD models and structural steel drawings.
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Steel Channel Centroid Offset: Web Backs, Member Centerlines, and CAD Placement
Learn why a steel channel centroid is offset from the web back, how reference lines affect CAD placement, and what to check in connections and built-up members.
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Elastic Section Modulus for Unsymmetric Steel Shapes: Why Each Side Can Have a Different S
Learn why channels, tees, and angles can have different elastic section moduli on opposite sides of an axis and how to verify them in shape tables and CAD.
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Structural Steel Drawing Scale: Model Space, Sheet Views, and Reliable Dimension Checks
Learn how drawing scale affects structural steel plans, sections, details, CAD files, PDFs, dimensions, linework, and fabrication checks.
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Bolt-Group Centroids in Structural Steel Connections: Coordinates, Eccentricity, and CAD Checks
Learn how to locate a bolt-group centroid, relate it to connection eccentricity, and verify bolt coordinates in structural steel CAD details.
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Structural Steel Section Views: Cutting Planes, Viewing Direction, and Detailing Clarity
Learn how to create and read structural steel section views, including cutting planes, viewing direction, section identification, material hatching, and CAD coordination.
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Mitered HSS Corners: Centerline Geometry, Cut Planes, and Shop Detailing
Learn how to detail mitered HSS corners using centerlines, face dimensions, cut planes, weld allowances, and a reliable CAD-to-shop workflow.
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Hole Coordinates in Steel Plates: Datums, Centerlines, and CNC-Friendly Detailing
Learn how to define steel plate hole coordinates using clear datums, centerlines, slot orientation, and practical CAD checks for fabrication.
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Steel Shop Drawings Explained: Assembly, Part, and Erection Drawings
Learn how structural steel assembly, part, and erection drawings divide information, control fabrication, and coordinate member placement.
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Polar Moment of Area vs. Torsional Constant J in Structural Steel Sections
Learn why polar moment of area and torsional constant J are not interchangeable for W-shapes, channels, angles, HSS, and other steel sections.
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