1x7 1x19 1x37 Guy Strand Messengers Span Wires       1x7, 1x19, 1x37                                                                             (ASTM A-475)   Diameter inch Number of Wires in Stand Diameter of Coated Wires in strand, inch Minimum Breaking strength of strand, ibf Approx. W't of Strand, Lb/1000ft Utilities Grade High Strength Grade Extra-High Strength Grade 3/16 7 0.062 - 2,850 3,990 73 3/16 7 0.065 2,400 - - 80 7/32 3 0.104 - 3,500 4,900 88 7/32 7 0.072 - 3,850 5,400 98 1/4 3 0.120 3,150 4,730 6,740 117 1/4 3 0.120 4,500 - - 117 1/4 7 0.080 - 4,750 6,650 121 9/32 3 0.130 - 5,260 7,500 137 9/32 7 0.093 4,600 6,400 8,950 164 5/16 3 0.145 6,500 6,350 9,100 171 5/16 7 0.104 - 8,000 11,200 205 5/16 7 0.109 6,000 - - 225 3/8 3 0.165 8,500 8,360 11,800 220 3/8 7 0.120 11,500 10,800 15,400 273 7/16 7 0.145 18,000 14,500 20,800 399 1/2 7 0.165 25,000 18,800 26,900 517 1/2 19 0.100 - 19,100 26,700 504 9/16 7 0.188 - 24,500 35,000 671 9/16 19 0.113 - 24,100 33,700 637 5/8 7 0.207 - 29,600 42,400 813 5/8 19 0.125 - 28,100 40,200 796 3/4 19 0.150 - 40,800 58,300 1,155 7/8 19 0.177 - 55,800 79,700 1,581 1 19 0.200 - 73,200 104,500 2,073 1 37 0.143 - 71,900 102,700 2,057 1 1/8 37 0.161 - 91,600 130,800 2,691