The W6x8.5 is a W-shape steel section listed with metric dimensions and unit weight in the reference data below. Use this page to identify the section geometry, understand the terminology used in the listing, and access the associated DWG file for drafting workflows.
The dimensional data should be read together with the applicable AISC specification and the project design requirements. This page is a reference for identification and detailing—not a substitute for engineering checks of strength, stability, serviceability, connections, or member availability.
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 : 148.1 mm
Width : 100.1 mm
Web Thickness : 4.3 mm
Flange Thickness : 5 mm
Root Fillet Radius : 6.4 mm
Sectional Area : 16.26 cm2
Unit Weight : 12.8 kg/m
How to read the W6x8.5 reference
A W-shape consists of two flanges connected by a web. The listed depth and width describe the overall section geometry, while web thickness and flange thickness describe the thickness of those individual elements. The root fillet radius identifies the curved transition between the web and each flange, which can matter when checking clearances, copes, and connection detailing.
Dimensions, area, and unit weight
The source data reports the section in metric units, including sectional area and unit weight. These values support material takeoffs, drafting coordination, and preliminary comparison with other W-shapes. They do not by themselves establish axial capacity, bending strength, shear resistance, deflection performance, or connection capacity.
For design work, consult the relevant W-shape section properties, material requirements, load combinations, and connection provisions. Confirm that the selected section, steel grade, fabrication assumptions, and detailing satisfy the governing project criteria.
AISC and drafting context
The source refers to AISC 360-16, the AISC Specification for Structural Steel Buildings identified in the original listing. Use the applicable project requirements and governing edition when moving from a reference entry to design or fabrication documentation.
The downloadable DWG can help with CAD coordination and preliminary detailing. Before issuing drawings, verify the section orientation, insertion units, layer standards, connection geometry, and any fabrication-specific requirements in the CAD file and project documents.
Frequently asked questions
What does the W in W6x8.5 mean?
The W identifies a wide-flange structural steel shape. The complete designation is used to distinguish the section from other steel shape families.
Can the listed dimensions be used to select a beam for a project?
They can help identify and compare a section, but member selection requires engineering evaluation of loads, span, restraint, stability, serviceability, material, and connections. Do not infer design capacity from the dimensions alone.
What is the root fillet radius used for?
It describes the curved transition between the web and flange. That geometry may affect connection fit-up, cope details, clearances, and how the section is represented in CAD.
What is the DWG file useful for?
The DWG is intended as a drafting and coordination reference. Review its units, orientation, and geometry before incorporating it into project drawings or fabrication documents.


