TFB – tapered-flange beams
100TFB7.2
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 100mm
- Flange widthbf
- 45mm
- Web thicknesstw
- 4mm
- Flange thicknesstf
- 6mm
- Root radiusr1
- 7mm
- Toe radiusr2
- 3.5mm
Mass and area
- Mass per lengthm
- 7.18kg/m
- Cross-sectional areaA
- 914.6mm²
- Published area (standard)A pub.
- 917mm²
- Outside perimeterP
- 348.4mm
Strong axis x–x
- Moment of inertiaIx
- 1.45510⁶ mm⁴
- Elastic section modulusSx
- 29.110³ mm³
- Plastic section modulusZx
- 3410³ mm³
- Radius of gyrationrx
- 39.88mm
Weak axis y–y
- Moment of inertiaIy
- 0.0784810⁶ mm⁴
- Elastic section modulusSy
- 3.48810³ mm³
- Plastic section modulusZy
- 5.95910³ mm³
- Radius of gyrationry
- 9.264mm