Gage                                    Uncoated Thickness                  Galvanized

3                                               0.2391″                                 ——

4                                               0.2242″                                 ——

5                                               0.2092″                                 ——

6                                              0.1943″                                   ——

7                                              0.1793″                                   ——

8                                             0.1644″                                   0.1681″

9                                             0.1495″                                   0.1532″

10                                           0.1345″                                   0.1382″

11                                            0.1196″                                   0.1233″

12                                           0.1046″                                   0.1084″

13                                           0.0897″                                   0.0934″

14                                           0.0747″                                   0.0785″

15                                           0.0673″                                   0.0710″

16                                          0.0598″                                   0.0635″

17                                           0.0538″                                  0.0575″

18                                          0.0478″                                   0.0516″

19                                          0.0418″                                   0.0456″

20                                         0.0359″                                   0.0396″

21                                          0.0329″                                   0.0366″

22                                         0.0299″                                    0.0336″

23                                         0.0269″                                    0.0306″

24                                         0.0239″                                    0.0276″

25                                         0.0209″                                    0.0247″

26                                         0.0179″                                     0.0217″

27                                         0.0164″                                     0.0202″

28                                         0.0149″                                     0.0187″

29                                           ——                                        0.0172″

30                                           ——                                        0.0157″