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| Quick Reference for Sheet & Plate Color Codes | ||||||||
| and ASTM specifications for thickness | ||||||||
| of HR sheets and ERW Tubing | ||||||||
| Dodge Center, MN | Fargo, ND | |||||||
| 507-374-6336 | 701-277-0007 | |||||||
| 1-800-733-6336 | 1-888-577-0007 | |||||||
| THICKNESS = COLOR | SHEET & PLATE THICKNESS TOLERANCES | |||||||
| 20 GA. | BLUE | Per ASTM A568 table 4&6 | ||||||
| 18 GA. | YELLOW | HR and HR P&O | ||||||
| 16 GA. | RED | Gauge# | ||||||
| 14 GA. | OLIVE GREEN | or Size | Dec. Equiv. | Min. | Max. | |||
| 13 GA. | YELLOW | 3/4" | 0.750 | 0.736 | 0.780 | |||
| 12 GA. | BABY BLUE | 5/8" | 0.625 | 0.611 | 0.655 | |||
| 11 GA. | ORANGE | 1/2" | 0.500 | 0.486 | 0.530 | |||
| 10 GA. | WHITE | 3/8" | 0.375 | 0.361 | 0.405 | |||
| 9 GA. | UNPAINTED | 5/16" | 0.312 | 0.298 | 0.342 | |||
| 8 GA. | GOLD | 1/4" | 0.250 | 0.236 | 0.280 | |||
| 1/8" | ORANGE | 3/16" | 0.187 | 0.173 | 0.217 | |||
| 3/16" | DARK GREEN | 7 | 0.1793 | 0.1713 | 0.1873 | |||
| 1/4" | DARK BLUE | 8 | 0.1644 | 0.1564 | 0.1724 | |||
| 5/16" | OLIVE GREEN | 9 | 0.1495 | 0.1415 | 0.1575 | |||
| 3/8" | YELLOW | 10 | 0.1345 | 0.1265 | 0.1425 | |||
| 7/16" | FLO-RED | 11 | 0.1196 | 0.1116 | 0.1276 | |||
| 1/2" | WHITE | 12 | 0.1046 | 0.0966 | 0.1126 | |||
| 5/8" | GOLD | 13 | 0.0897 | 0.0827 | 0.0967 | |||
| 3/4" | BABY BLUE | 14 | 0.0747 | 0.0677 | 0.0817 | |||
| 7/8" | RED | 15 | 0.0673 | 0.0613 | 0.0733 | |||
| 15/16" | SILVER | 16 | 0.0598 | 0.0538 | 0.0658 | |||
| 1" | WHITE | 17 | 0.0538 | 0.0478 | 0.0598 | |||
| 1-1/8" | ORANGE | 18 | 0.0478 | 0.0428 | 0.0528 | |||
| 1-1/4" | DARK BLUE | * Thickness is measured at any point across the width not less than 5/8" | ||||||
| 1-1/2" | WHITE | from a cut edge and not less than 1" from the mill edge. | ||||||
| 2" | WHITE | Per ASTM A 568/A 568M | ||||||
| 2-1/2" | WHITE | |||||||
| SHEET LEFT CORNER = GRADE or FINISH | SQUARE & RECTANGULER TUBING WALL THICKNESS SPEC. | |||||||
| G60 Galvanized | BLUE | PER ASTM A500 and A513 | ||||||
| P & O | BABY BLUE | *Gauge# | ||||||
| A36 | ORANGE | or Size | Dec. Equiv. | Min. | Max. | |||
| CORTEN | GOLD | 3/4" | 0.750 | 0.675 | 0.825 | |||
| GR 50 | WHITE | 5/8" | 0.625 | 0.563 | 0.688 | |||
| GR 80 | RED-WHITE | 1/2" | 0.500 | 0.450 | 0.550 | |||
| T-1 | FLO - RED | 3/8" | 0.375 | 0.338 | 0.413 | |||
| AR 200 | YELLOW-GREEN | 5/16" | 0.313 | 0.281 | 0.344 | |||
| AR 400 | ORANGE-BLACK-GOLD | 1/4" | 0.250 | 0.225 | 0.275 | |||
| AR 500 | PINK-SILVER | 6 | 0.203 | 0.183 | 0.223 | |||
| 3/16" | 0.188 | 0.169 | 0.206 | |||||
| COLD ROLL | 7 | 0.180 | 0.162 | 0.198 | ||||
| 1018 | GREEN | 9 | 0.148 | 0.133 | 0.163 | |||
| 1045 | RED | 10 | 0.134 | 0.121 | 0.147 | |||
| 1144 (stress proof) | YELLOW | 1/8" | 0.125 | 0.113 | 0.138 | |||
| 1215 | OLIVE GREEN | 11 | 0.120 | 0.108 | 0.132 | |||
| 12L14 | FLO-RED | 12 | 0.109 | 0.098 | 0.120 | |||
| Fatigue | BLUE | 13 | 0.095 | 0.086 | 0.105 | |||
| 1117 | WHITE | 14 | 0.083 | 0.075 | 0.091 | |||
| 16 | 0.065 | 0.059 | 0.072 | |||||
| 18 | 0.049 | 0.044 | 0.054 | |||||
| *Gauge designations are BWG ( Birmingham Wire Gauge) | ||||||||
| Thickness tolerances are per ASTM A500 and A513. | ||||||||
| Measurements should be taken at the centers of the flats and | ||||||||
| do not include the weld seam. | ||||||||
| 61 | ||||||||