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Galvanized Strand

  • Meets or exceeds ASTM Specifications A475 or ASTM A363
  • Excellent corrosion resistance
Galvanized Strand

Combine the strength of high carbon steel wire with the excellent corrosion resistance of Class A, ASTM B6 High Grade, hot-dip zinc coating. Add a long history of service to the transmission industry, the pre-engineered building industry, the construction industry, and municipalities and you get strand that you can count on year after year.

Typical applications:

  • Overhead ground wire strand for power transmission lines
  • Messenger strand for telephone and CATV lines
  • Guy strand for power distribution poles, telephone poles and microwave and radio towers
  • Wind bracing in pre-engineered buildings
  • Barrier cable and guard rail strand
  • Other guying applications where small size, high strength and corrosion resistance are necessary

Our Galvanized Steel Strand meets or exceeds ASTM Specifications A475 or ASTM A363. Each manufacturing run tests the following:

  • Minimum Breaking Force (see chart)
  • Ultimate Elongation (High Strength 5%--Extra High Strength and Utilities Grade 4%)
  • Individual wire tolerances
  • Wire Coating weight—ASTM Method A90
  • Wire wrap test for coating adherence
  • Wire wrap test for steel ductility
  • Preforming check
  Minimum Breaking Force of Strand (lb.)
Nominal Diameter of Strand
(in.)

Number of Wires
Nominal Diameter of Coated Wires
(in.)
Approx. Wt. Of Strand
(lb/1000 ft.)

Utilities Grade

High Strength Grade

Extra-High Strength Grade
3/16 7 0.062 73 2850 3990
7/32 7 0.072 98 3850 5400
1/4 7 0.08 121 4750 6650
9/32 7 0.093 164 6400 8950
5/16 7 0.104 205 8,000* 11,200*
3/8 7 0.12 273 11,500* 10,800* 15,400*
7/16 7 0.145 399 18000 14,500* 20,800*
1/2 7 0.165 517 25000 18,800* 26,900*
1/2 19 0.1 504 19100 26700
9/16 7 0.188 671 24500 35000
9/16 19 0.113 637 24100 33700
5/8 7 0.207 813 29600 42400
5/8 19 0.125 796 28100 40200
3/4 19 0.15 1155 40800 58300
7/8 19 0.177 1581 55800 79700
1 19 0.2 2073 73200 104500
1 1/8 37 0.161 2691 91600 130800
1 1/4 37 0.179 3248 113600 162200
*ASTM A 363 (Weldless) is also available in these sizes and grades upon request.


Union International, a WireCo WorldGroup brand, produces wire rope for a variety of applications – each with their own exacting specifications.  All of our products are manufactured in a state-of-the-art wire rope production facility in Wuhan, China.