Wire Rope - Spin Resistant Types
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Nominal Strengths of Wire Rope
8 x 19 Classification/Bright (Uncoated), or Drawn Galvanized, IWRC
| Nominal Diameter | Nominal Strength* | Approximate Mass | |||
| Extra Improved Plow Steel | |||||
| Inches | MM | LB/FT | KG/M | TONS | METRIC TONS |
| 1/2 | 13.0 | 0.47 | 0.70 | 11.6 | 10.5 |
| 9/16 | 14.5 | 0.60 | 0.89 | 14.7 | 13.3 |
| 5/8 | 16.0 | 0.73 | 1.09 | 18.1 | 16.4 |
| 3/4 | 19.0 | 1.06 | 1.58 | 25.9 | 23.5 |
| 7/8 | 22.0 | 1.44 | 2.14 | 35.0 | 31.8 |
| 1 | 26.0 | 1.88 | 2.80 | 45.5 | 41.3 |
| 1-1/8 | 29.0 | 2.39 | 3.56 | 57.3 | 51.7 |
| 1-1/4 | 32 | 2.94 | 4.37 | 70.5 | 64.0 |
| 1-3/8 | 35 | 3.56 | 5.30 | 84.9 | 77.0 |
| 1-1/2 | 38 | 4.24 | 6.31 | 100.0 | 90.7 |
19 x 7Classification/Bright (Uncoated), or Drawn Galvanized Wire
| Nominal Diameter | Nominal Strength* | Approximate Mass | |||||
| Improved Plow Steel | Extra Improved Plow Steel | ||||||
| Inches | MM | TONS | METRIC TONS | TONS | METRIC TONS | LB/FT | KG/M |
| 1/2 | 13.0 | 9.85 | 8.94 | 10.8 | 9.8 | 0.45 | 0.67 |
| 9/16 | 14.5 | 12.40 | 11.20 | 13.6 | 12.3 | 0.58 | 0.86 |
| 5/8 | 16.0 | 15.30 | 18.90 | 16.80 | 15.2 | 0.71 | 1.06 |
| 3/4 | 19.0 | 21.80 | 19.80 | 24.0 | 21.8 | 1.02 | 1.52 |
| 7/8 | 22.00 | 29.50 | 26.80 | 32.50 | 29.50 | 1.39 | 2.07 |
| 1 | 26.0 | 38.30 | 34.70 | 42.2 | 38.3 | 1.82 | 2.71 |
| 1-1/8 | 29.0 | 48.20 | 43.70 | 53.1 | 48.2 | 2.30 | 3.42 |
| 1-1/4 | 32.0 | 59.20 | 53.70 | 65.1 | 59.1 | 2.84 | 4.23 |
| 1-3/8 | 35.0 | 71.30 | 64.70 | 78.4 | 71.1 | 3.43 | 5.10 |
| 1-1/2 | 38.0 | 84.40 | 76.60 | 92.80 | 84.20 | 4.08 | 6.07 |
* To convert to Kilonewtons (kN), multiply tons (nominal breaking strength) by 8.896; 1 lb = 4.448 newtons (N). For Regular Galvanized Strengths, Deduct 10%