Key Components of a Steel Structure Building Explained

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Key Components of a Steel Structure Building Explained

April 05, 2026

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A steel structure building consists of:

Primary Structure:

Steel columns
Steel beams
Roof rafters

Secondary Structure:

Purlins (roof support)
Girts (wall support)

Supporting Systems:

Bracing systems (stability)
Cladding systems (roof & walls)
Connection systems (bolts, welds)

prefabricated steel structure (13).jpg

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