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Biodiesel is relatively higher corrosive compared to Diesel; consequently, the concern of viability is now a foremost issue. The biodiesel is self-oxidative in the environment; thus, its characteristics might be changed as fuel. The current work investigates the behavior of numerous biodiesel corresponding to corrosion when exposed to the surface of metal coupons. A gas chromatography mass spectrometry (GC-MS) was performed on eight biodiesel and a hypothesis was proposed to corroborate the hypothesis; static immersion tests, scanning electron microscopic (SEM) and surface roughness analysis were conducted. The immersion test was conducted for 150 days at ambient temperature conditions; later on, the corrosion rate of metals was examined. Results indicate that the Bronze has a maximum corrosion rate of 0.0674 mpy with Karanja biodiesel, followed by palm biodiesel. The Karanja biodiesel has the …