The W30x391 is a W beam profile listed in the AISC 16 reference data. This page brings together its primary dimensional and section-property information for engineers, detailers, fabricators, and CAD users.
Use the authoritative values below when checking a preliminary layout, comparing W-shapes, or preparing a drafting reference. Final member selection and connection detailing should be verified against the applicable design requirements and project conditions.
W Beam
refer to : AISC 16
the American Institute of Steel Construction (AISC) Specification for Structural Steel Buildings (AISC 360-16), which is the 2016 edition of the AISC Specification for Structural Steel Buildings. It provides guidelines and requirements for the design, fabrication, and erection of steel structures in the United States.
Depth : 843.3 mm
Width : 396.2 mm
Web Thickness : 34.5 mm
Flange Thickness : 62 mm
Root Fillet Radius : 20.1 mm
Sectional Area : 741.93 cm2
Unit Weight : 582.4 kg/m
How to read this W-shape reference
The listed dimensions describe the overall profile and its principal components: depth, flange width, web thickness, flange thickness, and root fillet radius. These characteristics help distinguish the shape in a steel shape database and support clearance, fit-up, detailing, and drafting checks.
The sectional area and unit weight are useful for material takeoffs, preliminary weight comparisons, and coordination with fabrication or estimating information. They are reference properties, not a substitute for a complete structural design review.
Drafting and design workflow
- Confirm the profile designation before selecting or importing a CAD block.
- Compare the listed geometry with adjacent W-shape options when checking framing space or detailing constraints.
- Account for the web, flanges, and root fillets when developing connection or fit-up details.
- Use the available DWG download as a drafting reference, then verify project-specific requirements before issuing documents.
For broader context, readers may also consult the site’s related resources on W-shapes, AISC shape references, steel section properties, connection detailing, and CAD/DWG workflow.
Frequently asked questions
What type of section is the W30x391?
The source identifies the W30x391 as a W beam, commonly used as a wide-flange steel shape reference in structural steel documentation.
What information is provided for the W30x391?
The reference lists the profile’s depth, width, web thickness, flange thickness, root fillet radius, sectional area, and unit weight.
Which reference is associated with these values?
The page identifies AISC 16 and refers to the AISC Specification for Structural Steel Buildings, which addresses the design, fabrication, and erection of steel structures in the United States.
Can I use the DWG file directly for final design drawings?
The DWG file is useful as a drafting reference. Confirm the shape, units, drawing standards, and project requirements before incorporating it into issued documents.
Are the listed properties enough to select a beam?
No. Member selection requires a project-specific engineering evaluation that considers loads, span, support conditions, stability, serviceability, connections, material requirements, and applicable design provisions.
