Effect of Flow and Dissolved Oxygen on the Compatibility of Pongamia pinnata Biodiesel with Common Construction Materials Used in Storage and Transportation

Table 4

Mean corrosion rates of metals in aerated and deaerated conditions.

Metal	Mean corrosion rates (mpy)
	B100		B99		NaCl
	Aerated	Deaerated	Aerated	Deaerated	Aerated	Deaerated
Aluminium	1.04	0.16	2.43	1.19	10.08	3.77
Brass	1.83	0.37	2.31	1.08	2.58	1.89
Copper	5.85	0.42	8.2	1.04	9.61	1.76
Carbon steel	1.48	0.19	3.63	1.39	25.76	5.07
Mild steel	0.78	0.52	4.08	2.02	30.31	17.68