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  • Galvanized Steel Wire/Strand

GSW--Galvanized Steel Wire /Strand

Application: Galvanized steel wire strand refers to any steel wire product which is subjected to a galvanizing  process to improve its resistance to corrosion. 

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Galvanized steel wire strand refers to any steel wire product which is subjected to a galvanizing  process to improve its resistance to corrosion. 
This process typically involves dipping the finished wire product into a bath of heated zinc compound to form a scratch and corrosion resistant coating across the entire surface of the wire. 
 
APPLICATION:
The galvanized steel wire strand is used for overhead ground lines or electrical power transmission lines. Stay wire or guy wire strands are produced for use with poles, towers, or any other form of guying.
 Its low cost and ease of production makes galvanized steel wire ideal for mass produced corrosion resistant wire products,which is indispensable in industrial, agricultural.

CONSTRUCTION:

Concentrically stranded Galvanized steel wire strand available in class "A", "B" and "C" galvanizing, "A" being the least heavy and "C" being the most heavy. Manufactured without welds per ASTM A-363 or with welds per ASTM A-475. Strands are formed to remain substantially in place when severed.

Zinc-coated grade of steel strand wire /guy wire : Class A ,Class B and class C.

STANDARDS:
ASTM A475, BS183:1972.

 

GALVANIZED STEEL WIRE STRAND BS 183 : 1972
No.of wires/Dia. Approx.Strand Dia.
mm
Minimum Breaking Load of Strand Approx. Weight
kg/km
Grade 350
kN
Grade 480
kN
Grade 700
kN
Grade 850
kN
Grade 1000
kN
Grade 1150
kN
Grade 1300
kN
3/1.80 3.9 2.65 3.66 - - - - - 60
3/2.65 5.7 5.80 7.95 - - - - - 130
3/3.25 7 8.70 11.95 - - - - - 195
3/4.00 8.6 13.20 18.10 - - - - - 295
4/1.80 4.4 3.55 4.90 - - - - - 80
4/2.65 6.4 7.70 10.60 - - - - - 172
4/3.25 7.9 11.60 15.90 - - - - - 260
4/4.00 9.7 17.60 24.10 35.20 - - - - 390
5/1.50 4.1 3.10 4.24 6.18 - - - - 69
5/1.80 4.9 4.45 6.10 8.90 - - - - 95
5/2.65 7.2 9.65 13.25 19.30 - - - - 220
5/3.25 8.8 14.50 19.90 29.00 - - - - 320
5/4.00 10.8 22.00 30.15 43.95 - - - - 490
7/0.56 1.7 0.60 0.83 1.20 - 1.70 1.98 2.24 14
7/0.71 2.1 0.97 1.33 1.94 - 2.75 3.19 3.60 28
7/0.85 2.6 1.39 1.90 2.80 - 3.95 4.57 5.15 31
7/0.90 2.7 1.55 2.14 3.10 - 4.45 5.12 5.80 35
7/1.00 3 1.92 2.64 3.85 - 5.50 6.32 7.15 43
7/1.25 3.8 3.01 4.10 6.00 - 8.55 9.88 11.15 67
7/1.40 4.2 3.75 5.17 7.54 9.16 10.75 12.35 14.00 84
7/RS* 4.3 3.85 5.28 7.70 9.35 11.00 12.65 14.30 86
7/1.60 4.8 4.90 6.75 9.85 11.95 14.10 16.20 18.30 110
7/1.80 5.4 6.23 8.55 12.45 - 17.80 20.50 23.20 140
7/2.00 6.0 7.70 10.55 15.40 - 22.00 25.30 28.60 170
7/2.36 7.1 10.70 14.70 21.40 - 30.60 35.20 39.80 240
7/2.65 8.0 13.50 18.50 27.00 - 38.60 44.40 50.20 300
7/3.00 9.0 17.30 23.75 34.65 - 49.50 56.90 64.30 392
7/3.15 9.5 19.10 26.20 38.20 - 54.55 62.75 70.90 430
7/3.25 9.8 20.30 27.85 40.65 - 58.05 66.80 75.50 460
7/3.65 11.0 25.60 35.15 51.25 - 73.25 84.20 95.20 570
7/4.00 12.0 30.90 42.20 61.60 - 88.00 101.00 114.00 690
7/4.25 12.8 34.75 47.65 69.50 - 99.30 114.00 129.00 780
7/4.75 14.0 43.40 59.45 86.80 - 124.00 142.70 161.30 970
19/1.00 5.0 5.22 7.16 10.45 - 14.92 17.16 19.40 120
19/1.25 6.3 8.16 11.19 16.32 - 23.32 26.81 30.31 180
19/1.40 7.0 10.24 14.04 20.47 - 29.25 33.64 38.02 230
19/1.60 8.0 13.37 18.35 26.75 - 38.20 43.93 49.66 300
19/2.00 10.0 20.90 28.65 41.78 50.74 59.69 68.64 77.60 470
19/2.50 12.5 32.65 44.80 65.29 79.28 93.27 107.30 121.30 730
19/3.00 15.0 47.00 64.50 94.00 114.10 134.30 154.50 174.60 1050
19/3.55 17.8 65.80 90.27 131.60 159.90 188.00 216.30 244.50 1470
19/4.00 20.0 83.55 114.60 167.10 203.00 238.70 274.60 310.40 1870
19/4.75 23.8 117.85 161.40 235.70 286.00 336.70 387.20 437.70 2630

* The constrction of this strand consists of 6 wires of 1.40mm diameter on a centre wire of 1.50mm diameter,the diameter of centre shall not be less than 0.08mm nor more than 0.12mm greater than outer wire

 

GALVANIZED STEEL WIRE STAND ASTM A475
No.of Wires Dia.of Wires Approx.Strand Dia. Siemem Martin Grade
KN
High Strength Grade
KN
Extra-high Strength Grade
KN
Approx.Weight
kg/km
Inch mm
3 2.64 7/32 5.56 10.409 15.569 21.796 131
3 3.05 1/4 6.35 13.523 21.04 29.981 174
3 3.05 1/4 6.35 - - - 174
3 3.3 9/32 7.14 15.035 23.398 33.362 204
3 3.68 5/16 7.94 18.193 28.246 40.479 256
3 4.19 3/8 9.52 24.732 37.187 52.489 328
7 1.04 1/8 3.18 4.048 5.916 8.14 49
7 1.32 5/32 3.97 6.539 9.519 13.078 76
7 1.57 3/16 4.76 8.452 12.677 17.748 108
7 1.65 3/16 4.76 - - - 118
7 1.83 3/16 5.56 11.387 17.126 24.02 145
7 2.03 7/32 6.35 14.012 21.129 29.581 181
7 2.36 1/4 7.14 18.905 28.469 39.812 243
7 2.64 9/32 7.94 23.798 35.586 49.82 305
7 2.77 5/16 7.94 - - - 335
7 3.05 3/8 9.52 30.915 48.04 68.503 407
7 3.68 7/16 11.11 41.591 64.499 92.523 594
7 4.19 1/2 12.7 53.823 83.627 119.657 768
7 4.78 9/16 14.29 69.837 108.981 155.688 991
7 5.26 5/8 15.88 84.961 131.667 188.605 1211
19 2.54 1/2 12.7 56.492 84.961 118.768 751
19 2.87 9/16 12.49 71.616 107.202 149.905 948
19 3.18 5/8 15.88 80.513 124.995 178.819 1184
19 3.81 3/4 19.05 116.543 181.487 259.331 1719
19 4.5 7/8 22.22 159.691 248.211 354.523 2352
19 5.08 1 25.4 209.066 325.61 464.839 2384
37 3.63 1 25.4 205.508 319.827 456.832 3061
37 4.09 11/8 28.58 262 407.457 581.827 4006
37 4.55 11/4 31.75 324.72 505.318 721.502 4833

 

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