ASTM A500
Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes
What it measures
Specifies structural tubing: shapes, wall thicknesses and mechanical properties.
Why it matters for a panel envelope
It is the standard for structural steel tubing, the hollow sections used for posts, beams and frames in steel-framed buildings, including the frames that curtain-wall panels attach to.
Guardian Shield™
Cited in the Shield™ specification's reference standards.
Source · 3-Part Specification, 1.3 F.2 · Guardian documents
Published by Guardian Structural Technologies. Last updated .
Drafted from our product literature and published building-science sources. Awaiting our technical review. Confirm any figure against the current product documents or ask us before you rely on it in a design.
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