TFB – tapered-flange beams
125TFB13.1
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 125mm
- Flange widthbf
- 65mm
- Web thicknesstw
- 5mm
- Flange thicknesstf
- 8.5mm
- Root radiusr1
- 8mm
- Toe radiusr2
- 4mm
Mass and area
- Mass per lengthm
- 13.14kg/m
- Cross-sectional areaA
- 1,675mm²
- Published area (standard)A pub.
- 1,670mm²
- Outside perimeterP
- 469.6mm
Strong axis x–x
- Moment of inertiaIx
- 4.3410⁶ mm⁴
- Elastic section modulusSx
- 69.4510³ mm³
- Plastic section modulusZx
- 80.2910³ mm³
- Radius of gyrationrx
- 50.91mm
Weak axis y–y
- Moment of inertiaIy
- 0.336710⁶ mm⁴
- Elastic section modulusSy
- 10.3610³ mm³
- Plastic section modulusZy
- 17.2110³ mm³
- Radius of gyrationry
- 14.18mm