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Calculation Basis
Assumptions & Limits
- Preset values speed up the setup but do not replace final section or material verification.
- The page is designed for fast deflection and reaction checks.
- Local code rules, long-term effects, and connection details still need separate review.
Reference Basis
- Documentation: Methodology
- Documentation: Engineering Review
- Roark's Formulas for Stress and Strain
- Mechanics of Materials references
6061-T6 Reference Data
| Alloy | 6061-T6 aluminum |
| Elastic modulus E | 69 GPa |
| Typical yield strength | 240 MPa |
| Typical density | 2700 kg/m^3 |
| Preset support case | Simply supported beam |
| Preset loading | Uniform load |
| Preset section stiffness I | 1850 cm^4 |
Engineering Notes
- 6061-T6 aluminum is much less stiff than steel, so serviceability often governs long before stress capacity becomes critical.
- Use this page when the alloy is fixed but the exact extrusion profile is still being compared.
- If the beam is an extrusion with thin local elements, the global deflection output here should still be combined with local wall and connection checks.
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