Stranded

Product Description

Concentric-lay-stranded, 30% and 40% conductivity, conductors made from round copper-clad steel wires for electrical purposes. Available in high strength (HS), extra-high strength (EHS), or dead soft annealed (DSA) tempers.

Application

Ground wire for electrical power systems, telephone and CATV drop wire, tracer wire, and catenary wire for electrified railroads.

Specification Data

ASTM B-227 Hard drawn copper-clad steel wire
ASTM B-910 Annealed copper-clad steel wire
ASTM B-228 Concentric-lay-stranded copper-clad steel conductors

Product Data

Stranded Bare Copper-Clad Steel

Size (No. – Awg) Diameter (inches) Breaking Load* (lbs.) Weight Resistance
High Strength (HS) Extra-High Strength (EHS) Lbs. per 1000 ft. Lbs. per Mile Ohms Per 1000 Ft. at 68˚F
40% Conductivity 30% Conductivity 30% Conductivity 40% Conductivity 30% Conductivity
37-Wire Copper-clad Steel Strands
37 no. 5 1.270 97,830 108,200 130,300 3,466 18,300 .02203 .02936
37 no. 6 1.130 81,020 89,250 108,100 2,749 14,520 .02778 .03703
37 no. 7 1.010 66,970 73,500 89,290 2,180 11,510 .03503 .04669
37 no. 8 .899 55,270 60,450 73,400 1,729 9,130 .04417 .05888
37 no. 9 .801 45,540 49,650 59,920 1,371 7,240 .05569 .07424
37 no. 10 .713 37,640 41,000 48,610 1,087 5,740 .07023 .09362
19-Wire Copper-clad Steel Strands
19 no. 5 .910 50,240 55,570 66,910 1,770 9,344 .04264 .05685
19 no. 6 .810 41,600 45,830 55,530 1,403 7,410 .05377 .07168
19 no. 7 .721 34,390 37,740 45,850 1,113 5,877 .06780 .09039
19 no. 8 .642 28,380 31,040 37,690 882.7 4,660 .08550 .1140
19 no. 9 .572 23,390 25,500 30,610 700.0 3,696 .1078 .1437
7-Wire Copper-clad Steel Strands
7 no. 5 .546 18,510 20,470 24,650 649.4 3,429 .1153 .1537
7 no. 6 .486 15,330 16,890 20,460 515.0 2,719 .1454 .1938
7 no. 7 .433 12,670 13,910 16,890 408.4 2,157 .1833 .2444
7 no. 8 .385 10,460 11,440 13,890 323.9 1,710 .2312 .3081
7 no. 9 .343 8,616 9,393 11,280 256.9 1,356 .2915 .3886
7 no. 10 .306 7,121 7,758 9,196 203.7 1,076 .3676 .4900
3-Wire Copper-clad Steel Strands
3 no. 5 .392 8,373 9,262 11,860 277.8 1,467 .2685 .3579
3 no. 6 .349 6,934 7,639 8,754 220.3 1,163 .3385 .4513
3 no. 7 .311 5,732 6,291 7,922 174.7 922.4 .4269 .5691
3 no. 8 .277 4,730 5,174 6,282 138.5 731.5 .5383 .7176
3 no. 9 .247 3,898 4,250 5,129 109.9 580.1 .6788 .9049
3 no. 10 .220 3,221 3,509 4,160 87.13 460.0 .8559 1.141
3 no. 12 .174 2,236 2,565 54.80 289.3 1.361 1.814

+Breaking loads of 7-Wire, 19-Wire, and 37-Wire Copper-clad Steel Strands are taken as 90% of the sum of the breaking loads of the individual wires; breaking load of 3-Wire Copper-clad Steel Strands is taken as 95% of the sum of the breaking loads of the individual wires.

Stranded Bare Copper-Clad Steel: Type “M” Guy Strand

Designation Stranded Diameter (inches) No. x Diameter of Individual Wires (inches) Rated Strength (lbs.) Weight per 1000 Ft.
6M .237 7 x .079 6,000 122
8M .276 7 x .092 8,000 166
10M .303 7 x .101 10,000 200
12.5M .345 7 x .115 12,500 259
14M .360 7 x .120 14,000 283
16M .386 7 x .128 16,000 324
18M .414 7 x .138 18,000 374
20M .432 7 x .144 20,000 407
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