Steel structure manufacturer since 2009 · 8 fabrication bases in China
All three carry load efficiently. The right choice depends on how the member bends and how it connects.
| H (wide flange) | I (narrow flange) | Box | |
|---|---|---|---|
| Best as | Columns, heavy beams | Beams | Columns, transfer members |
| Weak-axis strength | Fair | Baja | Equal both ways |
| Torsión | Baja | Muy baja | Alto |
| Conexiones | Simple | Simple | Diaphragms needed |
| Cost per ton | Baja | Baja | Higher |
More detail on box sections: Welded Box Columns.
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The files and data to send with a steel building or fabrication RFQ, so the quote is fixed rather than full of assumptions.
The seven cost blocks in a steel structure quote, what moves each one, and how to compare two quotes line by line.
Container dimensions, why steel loads cube out before weight, typical tonnage per 40HQ and how member length affects freight cost.