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

9.9378

9.9177

0.0201

0.0004595

0.2022

14

11.7102

11.6745

0.0357

0.0004080

0.3048

21

14.8781

14.8258

0.0523

0.0003985

0.3515

28

9.9467

9.8753

0.0714

0.0004080

0.7178

35

15.3923

15.3221

0.0702

0.0003209

0.4560

42

13.0048

12.9348

0.0700

0.0002667

0.5382