Hot-Dipped Galvanized Steel Strand

Application: Steel core wire for ACSR, Power cable, Overhead conductors, Overhead Ground Wire, Telecommunication cable, Messenger wire, Earth wire, Stay wire, Guy wire, Fence etc.
Structure and Diameter:
1x3, Dia 6.2～8.6mm
1x7, Dia 3.0～12.0mm
1x19, Dia 8.0～20.0mm
1x37, Dia 11.2～28.0mm
Standard: YB/T5004-2001,ASTM A475,ASTM A363,BS183.
Special specification and requirement may be ordered.
Packing: Steel strips bundled and plastic sheets wrapped outside or by wooden spool.
Structure   Section


Standard Structure
Nominal
diameter
of steel
strand
Nominal diameter of coated wire in strand Tolerance of nominal diameter of steel wire Cross Sectional Area Tensile Strength Grade of strand (Mpa) Theoretical Weight   per meter
1270 1370 1470 1570 1670
mm mm mm mm2 Breaking Load of strand (KN)≥ g/m
YB/T5004-2001 1 x 3 6.2 2.90 ±0.08 19.82 23.16 24.98 26.8 28.63 30.45 160
6.4 3.20 24.13 28.19 30.41 32.63 34.85 37.07 195
7.5 3.50 ±0.10 28.86 33.72 36.38 39.03 41.69 44.34 233
8.6 4.00 37.7 44.05 47.52 50.99 54.45 57.92 304
1 x 7 3 1.00 ±0.05 5.5 6.43 6.93 7.44 7.94 8.45 43.7
3.6 1.20 7.92 9.25 9.98 10.71 11.44 12.17 62.9
4.2 1.40 10.78 12.6 13.59 14.58 15.57 16.56 85.6
4.8 1.60 14.07 16.44 17.73 19.03 20.32 21.62 112
5.4 1.80 ±0.06 17.81 20.81 22.45 24.09 25.72 27.36 141
6 2.00 21.99 25.69 27.72 29.74 31.76 33.79 175
6.6 2.20 26.61 31.1 33.55 36 38.45 40.88 210
7.8 2.60 ±0.08 37.17 43.43 46.85 50.27 53.69 57.11 295
9 3.00 49.5 57.86 62.42 66.98 71.54 76.05 411.9
9.6 3.20 56.3 65.78 70.96 76.14 81.32 86.5 447
10.5 3.50 ±0.10 67.35 78.69 84.89 91.08 97.28 103.48 535
11.4 3.80 79.39 92.76 100.1 107.4 114.7 121.97 630
12 4.00 87.96 102.8 110.9 119 127 135.14 698
1 x 19 8 1.60 ±0.05 38.2 43.66 47.1 50.54 53.98 57.41 304
9 1.80 ±0.06 48.35 55.26 59.62 63.97 68.32 72.67 385
10 2.00 59.69 68.23 73.6 78.97 84.34 89.71 475
11 2.20 72.2 82.58 89 95.58 102.1 108.52 569
11.5 2.30 78.94 90.23 97.33 104.4 111.5 118.65 628
13 2.60 ±0.08 100.9 115.3 124.4 133.5 142.6 151.65 803
14.5 2.90 125.5 143.4 154.7 166 177.3 188.63 999
16 3.20 152.8 174.7 188.4 202.2 215.9 229.66 1220
17.5 3.50 ±0.10 182.8 208.9 225.4 241.8 258.3 274.75 1460
20 4.00 238.8 272.9 294.4 315.9 337.4 358.92 1900
1 x 37 11.2 1.60 ±0.05 74.39 80.3 86.63 92.95 99.27 105.6 595
12.6 1.80 ±0.06 94.15 101.6 109.6 117.6 125.6 133.65 753
14 2.00 116.2 125.4 135.3 145.2 155.1 164.95 930
16.1 2.30 153.7 165.9 179 192 205.1 218.18 1230
18.2 2.60 ±0.08 196.4 212 228.7 245.4 262.1 278.79 1570
20.3 2.90 244.4 263.8 284.6 305.4 326.2 346.93 1950
22.4 3.20 297.6 321.3 346.6 371.9 397.1 422.44 2380
24.5 3.50 ±0.10 356 384.3 414.6 444.8 475.1 505.34 2050
28 4.00 465 502 541.5 581 620.5 660.07 3720


Nominal diameter of steel wire used for steel strand Tolerance of nominal diameter of steel wire Elongation  % Twist Number of times/360°  ≥ Coating Weight of wire  ≥ Adhesion of Coating
Tensile Strength Grade  (Mpa) g/m2 Diameter of mandril Circles
mm mm ≥ 1270 1370 1470 1570 1670 Super A A B 12d 6
1 ±0.05 2.0 18 16 16 14 14 180 160 110
1.1
1.2
1.3 200
1.4 130
1.5
1.6 180
1.7 220
1.8 ±0.06 3.0 16 14 14 12 12 160
2 230 200 14d
2.2 180
2.4 240 220 200
2.6 ±0.08 250
2.8 14 12 12 10 10 270 250 230
3 4.0
3.2 280 260
3.5 ±0.10 290 270 250
3.8
4


Zinc Coating

Nominal diameter of coated wire in strand Coating weight
mm g/m2
Class A Class B
1.60～1.90 210 420
>1.90～2.30 220 440
>2.30～2.70 230 460
>2.70～3.10 240 480
>3.10～3.50 260 520
>3.50～3.90 270 540
>3.90～4.50 275 550
>4.50～4.80 300 600


Chemical Composition %
C 0.40～0.85
Si 0.10～0.35
Mn 0.50～1.10
S ≤0.045
P ≤0.035