Aluminum vs. Steel Frame Analyzer
Weight Savings vs. Fatigue Life: Make the right choice.
1. Build Parameters
Frequent travel stresses the metal (Fatigue).
Aluminum typically costs 2x more but saves 30-40% weight.
Steel Frame Industry Standard
Aluminum Frame Weight Saver
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The Fatigue Problem
Steel has an “endurance limit.” If stresses stay below a certain threshold, it can cycle infinitely without failing. Aluminum does not. Every single bump in the road contributes to cumulative microscopic damage (work hardening), eventually leading to cracks.
People choose aluminum to avoid rust. However, a Hot-Dip Galvanized Steel trailer offers similar corrosion resistance for 50+ years, maintains the structural benefits of steel, and is still cheaper than aluminum.