Tag: CAD workflow
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As-Rolled Steel Shape Variation: Mill Tolerances, Tabulated Dimensions, and Fit-Up
Learn how mill tolerances and as-rolled variation affect steel shape dimensions, CAD models, connections, clearances, and fit-critical detailing.
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Calculating Structural Steel Member Weight from Shape Tables and CAD Geometry
Learn how to calculate structural steel member weight from lb/ft or kg/m tables, member lengths, plate geometry, quantities, and fabrication details.
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Why Structural Steel Shape Properties Should Not Be Interpolated Between Sizes
Learn why steel shape dimensions and section properties should not be interpolated between listed sizes, and how to compare or model alternatives safely.
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Back-to-Back Steel Channels: Spacing, Built-Up Properties, and Detailing Datums
Learn how back-to-back steel channels are oriented, spaced, modeled, dimensioned, and checked as built-up structural members.
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Gross Area, Net Area, and Effective Net Area in Steel Tension Members
Learn how gross area, net area, and effective net area differ in steel tension members, including bolt holes, staggered paths, shear lag, and CAD checks.
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Radius of Gyration in Steel Shape Tables: Understanding rx, ry, and KL/r
Learn what radius of gyration means in steel shape tables, how rx and ry relate to area and moment of inertia, and how to avoid common KL/r and CAD axis errors.
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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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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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Structural Steel Coordinate Systems: Grid Lines, Global Coordinates, and Local Member Datums
Learn how project grids, global coordinates, local member axes, and fabrication datums work together in structural steel drawings and CAD models.
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Area Moment of Inertia vs. Mass Moment of Inertia in Structural Steel
Learn how area and mass moments of inertia differ, how to recognize their units, and which property belongs in steel design, CAD, and dynamic calculations.
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Plate Corner Clips at Rolled Steel Fillets: Fit-Up, Geometry, and Detailing
Learn how plate corner clips and reliefs prevent interference with rolled steel fillets, and how to coordinate their geometry, welds, dimensions, and CAD models.
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