Mechanical Investigation of Carbon Steel under Strong Corrosion Effected by Corrosion Pits

Table 4

Mechanical properties of strong corrosion steel Q345.

Corrosion time (h)	(GPa)	(MPa)	(MPa)		(%)	(%)	/10^−3
0	218.68	469.73	598.13	0.79	36.32	—	0.18
1	214.29	457.38	592.50	0.77	34.03	6.31	0.92
2	209.60	450.46	585.02	0.77	31.87	12.25	1.35
4	202.65	443.75	580.25	0.76	29.63	18.42	1.81
8	198.10	438.52	576.26	0.76	27.63	23.93	2.64
12	194.57	434.10	571.03	0.76	26.18	27.92	3.16
24	190.01	431.17	566.91	0.76	24.57	32.35	3.36
48	184.34	427.01	561.11	0.76	22.89	36.98	3.69
72	175.25	418.25	555.09	0.75	21.00	42.18	3.77