Pulsed fiber laser cleaning parameters for steel truck chassis frame rails vary significantly based on the alloy type (e.g., carbon steel, high-strength low-alloy), rust thickness, and target surface finish. Typical settings, including pulse energy (e.g., 10-50 mJ), frequency (e.g., 20-200 kHz), and scan speed, are optimized through preliminary testing to ensure complete rust ablation without compromising substrate integrity. Precise recommendations necessitate on-site material assessment and equipment calibration.