Structural · S-MWFSC

Top Flange Welded Access Hole

Materials

Steel

Elements

Columns Beams

Connections

Beam-to-Column Welded Connection Bolted Connection

About this detail

Geometric and fabrication requirements for a structural steel beam web and flange cut line at a beam-to-column flange connection, including weld access hole dimensions. The profile features a half-inch radius with a specified surface roughness not exceeding Sample 4, AWS C4.1. Key geometric constraints include a bevel per WPS, a dimension of two times the flange thickness plus-or-minus a quarter-inch, and a three-quarters flange thickness minimum to maximum flange thickness. The protected zone of the beam flange is delineated alongside conditions for beam flange tapering and bolt holes specified to be drilled rather than punched.

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