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| Art No. | Nominal | Nominal Breaking Strength | Approx. Weight | ||||
| Diameter | Uncoated | Galvanized | |||||
| (minimum) | FC | IWRC | FC | IWRC | FC | IWRC | |
| inches | lb | lb | lb | lb | lb/ft | lb/ft | |
| WP13-1/4 | 1/4" | 4,700 | 5,160 | 4,240 | 4,640 | 0.098 | 0.12 |
| WP13-5/16 | 5/16" | 7,300 | 8,020 | 6,580 | 7,220 | 0.150 | 0.18 |
| WP13-3/8 | 3/8" | 10,480 | 11,520 | 9,440 | 10,360 | 0.220 | 0.26 |
| WP13-7/16 | 7/16" | 14,180 | 15,600 | 12,760 | 14,040 | 0.300 | 0.36 |
| WP13-1/2 | 1/2" | 18,460 | 20,200 | 16,620 | 18,180 | 0.390 | 0.47 |
| WP13-9/16 | 9/16" | 23,200 | 25,600 | 20,800 | 23,000 | 0.500 | 0.60 |
| WP13-5/8 | 5/8" | 28,600 | 31,400 | 25,800 | 28,200 | 0.610 | 0.73 |
| WP13-3/4 | 3/4" | 41,000 | 45,000 | 37,000 | 40,600 | 0.880 | 1.06 |
| WP13-7/8 | 7/8" | 55,400 | 61,000 | 49,800 | 55,000 | 1.200 | 1.44 |
| WP13-1 | 1" | 72,000 | 79,200 | 64,800 | 71,200 | 1.570 | 1.88 |
| WP13-1 1/8 | 1-1/8" | 90,600 | 99,600 | 81,600 | 89,600 | 1.990 | 2.39 |
| WP13-1 1/4 | 1-1/4" | 111,400 | 122,600 | 100,200 | 110,400 | 2.450 | 2.94 |
