Gauge Chart
Hot Rolled, P&O, Cold Rolled
| Gauge | Decimal Equivalent | Hot Rolled, P&O Tolerance Range | Cold Rolled Tolerance Range | Lbs. per sq. ft. |
|---|---|---|---|---|
| 3 | .239 | .229 to .249 | 10.000 | |
| 4 | .224 | .214 to .234 | 9.375 | |
| 5 | .209 | .199 to .219 | 8.750 | |
| 6 | .194 | .184 to .204 | 8.125 | |
| 7 | .179 | .171 to .187 | 7.500 | |
| 8 | .164 | .156 to .172 | 6.875 | |
| 9 | .149 | .141 to .157 | 6.250 | |
| 10 | .134 | .126 to .142 | .128 to .140 | 5.625 |
| 11 | .120 | .112 to .128 | .114 to .126 | 5.000 |
| 12 | .105 | .097 to .113 | .099 to .112 | 4.375 |
| 13 | .090 | .083 to .097 | .085 to .095 | 3.750 |
| 14 | .075 | .068 to .082 | .070 to .080 | 3.125 |
| 15 | .067 | .060 to .075 | .062 to .072 | 2.812 |
| 16 | .060 | .053 to .067 | .055 to .065 | 2.500 |
| 17 | .054 | .048 to .060 | .050 to .058 | 2.250 |
| 18 | .048 | .044 to .052 | 2.000 | |
| 19 | .042 | .038 to .046 | 1.750 | |
| 20 | .036 | .033 to .039 | 1.500 | |
| 21 | .033 | .030 to .036 | 1.375 | |
| 22 | .030 | .027 to .033 | 1.250 | |
| 23 | .027 | .024 to .030 | 1.125 | |
| 24 | .024 | .021 to .027 | 1.000 | |
| 25 | .021 | .018 to .024 | .875 | |
| 26 | .018 | .016 to .020 | .750 | |
| 27 | .016 | .014 to .018 | .688 | |
| 28 | .015 | .013 to .017 | .625 | |
| 29 | .0014 | .562 | ||
| 30 | .012 | .500 |
Coated
| Gauge | Decimal Equivalent | Tolerance Range | Lbs. per sq. ft. |
|---|---|---|---|
| 7 | |||
| 8 | 0.168 | .159 to .177 | 7.031 |
| 9 | 0.153 | .144 to .162 | 6.406 |
| 10 | 0.138 | .129 to .147 | 5.781 |
| 11 | 0.123 | .114 to .132 | 5.156 |
| 12 | 0.108 | .099 to .117 | 4.531 |
| 13 | 0.093 | .085 to .101 | 3.906 |
| 14 | 0.079 | .071 to .087 | 3.281 |
| 15 | 0.071 | .065 to .077 | 2.969 |
| 16 | 0.064 | .058 to .070 | 2.656 |
| 17 | 0.058 | .053 to .063 | 2.406 |
| 18 | 0.052 | .047 to .057 | 2.156 |
| 19 | 0.046 | .041 to .051 | 1.906 |
| 20 | 0.04 | .036 to .044 | 1.656 |
| 21 | 0.037 | .033 to .041 | 1.531 |
| 22 | 0.034 | .030 to .038 | 1.406 |
| 23 | 0.031 | .027 to .035 | 1.281 |
| 24 | 0.028 | .024 to .032 | 1.156 |
| 25 | 0.025 | .021 to .029 | 1.031 |
| 26 | 0.022 | .019 to .025 | 0.906 |
| 27 | 0.02 | .017 to .023 | 0.844 |
| 28 | 0.019 | .016 to .022 | 0.781 |
| 29 | 0.017 | .014 to .020 | 0.719 |
| 30 | 0.016 | .013 to .019 | 0.656 |
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