Category: How to
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Match Marks in Structural Steel Fabrication: Orientation, Trial Assembly, and Field Reassembly
Learn how structural steel match marks preserve orientation and mating-part relationships during fabrication, shipping, and field reassembly.
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Plate Washers at Slotted and Oversized Bolt Holes: Coverage, Movement, and Detailing Coordination
Learn how plate washers interact with slotted and oversized bolt holes, including hole coverage, movement direction, stack-up, welding, and drawing coordination.
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Warping Constant Cw in Steel Shape Tables: What It Means and When It Matters
Understand the warping constant Cw in structural steel tables, how it differs from torsional constant J, and why units, shape geometry, and restraint matter.
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Shear Center vs. Centroid in Structural Steel Sections: Why Load Location Can Cause Twist
Learn how the shear center differs from the centroid in W-shapes, channels, angles, tees, and HSS, and why the distinction matters for loading, torsion, CAD modeling, and steel detailing.
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Faying Surfaces in Bolted Steel Connections: Contact Planes, Coatings, and Detailing Coordination
Learn how faying surfaces affect bolted steel connections, including contact-plane identification, coatings, masking, preparation notes, and drawing coordination.
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Cleaning Structural Steel Shape Profiles in CAD: Polylines, Fillets, Origins, and Geometry Checks
Learn how to inspect and clean structural steel CAD profiles by checking scale, origins, closed boundaries, fillets, duplicate lines, and section orientation.
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How to Verify Structural Steel Shape Data Before Using It in CAD or Calculations
A practical workflow for checking steel shape designations, dimensions, units, section properties, CAD geometry, and source consistency before use.
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Steel Column Cap Plates: Load Path, Bearing, Datums, and Detailing Coordination
A practical guide to steel column cap plate detailing, including load paths, bearing geometry, elevations, weld access, holes, and shop drawing checks.
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HSS Branch Connections: Work Points, Cut Profiles, Gaps, and Weld Access
A practical guide to detailing HSS branch connections, including work points, intersection geometry, cut profiles, gaps, overlaps, weld access, and CAD coordination.
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Framing Steel Beams into HSS Columns: Face Datums, Connection Zones, and Detailing Coordination
A practical guide to beam-to-HSS-column detailing, including face datums, connection types, wall geometry, weld access, tolerances, and CAD checks.
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Multi-Ply Bolt Hole Alignment in Steel Connections: Datums, Stack-Up, and Drawing Coordination
Learn how common datums, ply stack-up, member orientation, and CAD checks help prevent misaligned bolt holes in structural steel connections.
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Steel Beam Seat Connections: Load Path, Bearing, Fit-Up, and Detailing
A practical guide to steel beam seat connections, covering seat angles, seat plates, stiffened seats, bearing, erection fit-up, and drawing coordination.
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