Exposure Time (T) day

Initial weight (W_o) g

Final weight (W_i) g

Weight loss (W₁) g

Corrosion rate (CR) mm/yr.

% Weight loss

0

-

-

-

-

-

7

16.4389

16.4194

0.0195

0.0004458

0.1186

14

11.5512

11.5295

0.0217

0.0002480

0.1878

21

12.5035

12.4633

0.0402

0.0003063

0.3215

28

14.9969

14.9300

0.0669

0.0003823

0.4460

35

10.7760

10.7135

0.0625

0.0002857

0.5799

42

9.0040

8.9439

0.0601

0.0002290

0.6674