Galvanized iron wire, soft annealed, electro galvanized and hot
dipped galvanised, pvc or epoxy coated into colors. Made of high carbon, medium and low carbon steel.

 

Galvanized Steel Stranded Core Wire

We are exporter and supplier of good quality Galvanized Steel Wire Strands, known as Core Wires for cables and various industrial uses. 

We have: 
Complete quality control system;
Experienced technical staff;
Selected materials: Low carbon, medium carbon and high carbon steel wire.

Structures: 1*3/1*7/1*19/1*37

Main Types:
Optical cable core wire
Galvanized steel wire strand for ACSR
Galfan Wire for ACSS
BS 183- Galvanized Stay Wire
ASTM A 475 Galvanized Steel Wire
1*3/1*7/1*19/1*37 stranded earth wire
Power cable transmission lines ACR ACSR ACSS type wire

OPGW Galvanized Steel Ground Wire 

Galvanized Steel Wire for Cable Wire

Material: Zinc coated galv. steel wire for optical ground wire ( OPGW ) coring.
Resistivity :Typical value of galvanized steel wire is 0,19157 Ωmm² /m.
Torsion Test : The specimen shall be twisted untill fracture occurs by applying for not exceeding 2% of the breaking strength.
The rate of twisting shall not exceed than 60 rev/min.

Zinc coating mass requirements

wire diameter mm. min.mass of zinc coating g/m² class 1
1,24 < 1,50 200
1,50 < 1,75 215
1,75 < 2,25 230
2,25 < 3,00 245
3,00 < 3,50 260
3,50 < 4,25 275
4,25 < 4,75 290
4,75 < 5,50 305

Mechanical properties,torsion twist requirements and wrap test mandrel diameter for extra high strength steel wires

Nominal wire diameter mm. Diameter tolerance min. stress at 1% extansion Mpa min. ultimate tensile stress Mpa min. ultimate elongation % Mandrel dia. for wrapping test (x.OD) min. number of twist in torsion test
Class 1 zinc coating
1,24 < 2,25 +/- 0,03 1470 1670 3,0 4 18
2,25 < 2,75 +/- 0,04 1473 1630 3,0 4 18
2,75 < 3,00 +/- 0,05 1430 1630 3,5 5 16
3,00 < 3,50 +/- 0,05 1400 1600 4,0 5 16
3,50 < 4,25 +/- 0,06 1360 1570 3,5 5 14
4,25 < 4,75 +/- 0,06 1360 1570 3,5 5 14
4,75 < 5,50 +/- 0,07 1290 1550 3,5 5 14

Initial stress and extensometer setting for determination of stress 1% extension

Actual diameter mm. Initial stress Mpa Initial setting of extensometer ( gauge length 250 mm.)
1,24 < 2,25 100 0,125
2,25 < 3,00 200 0,250
3,00 < 4,75 300 0,375
4,75 < 5,50 400 0,500

Hot Dip Galvanized Steel Wire For ACSR Coring

1x7 Stranded Wire, ACSR Core Wire

Material: Hot Dipped Steel Stranded Wire
Application: Stay wire, steel core for ACSR, guy wires. 
Specification:1×7-3.00-12.6mm, 1×19-5.00-16.00mm

Specification: 

Number
of
wires
in
strand
Stee
wire
diameter
mm
Norminal
diameter
of the
strand 
mm
The cross
section
area of
strand 
mm2
Nominal tensile streng of Gal. steel wire Mpa Approx- imate
Weight
of stand
per 
Kg/ 100M
1175 1270 1370 1470 1570
Breaking strength of strand KN≥
1×7 1.60 4.8 14.07 16.53 17.87 19.28 20.68 22.09 11.17
1.80 5.4 17.81 20.93 22.62 24.40 26.18 27.96 14.14
2.00 6.0 21.99 25.84 27.93 30.13 32.32 34.52 17.46
2.20 6.6 26.60 31.26 33.78 36.44 39.10 41.76 22.77
2.30 6.9 29.08 34.17 36.93 39.84 42.75 45.66 23.09
2.60 7.8 37.17 43.60 47.20 50.92 54.63 58.30 29.51
2.90 8.7 46.24 54.33 58.72 63.36 67.97 72.60 36.71
3.00 9.0 49.48 58.14 62.84 67.79 72.74 77.68 42.38
3.20 9.6 56.30 66.15 71.50 77.13 82.76 88.39 44.70
3.50 10.5 67.35 79.14 85.85 92.27 99.00 105.74 53.48
3.80 11.4 79.39 93.28 100.82 108.76 116.70 124.64 63.04

 

Number
of
wires
in
strand
Stee
wire
diameter
mm
Norminal
diameter
of the
strand 
mm
The cross
section
area of
strand 
mm2
Nominal tensile streng of Gal. steel wire Mpa Approx- imate
Weight
of stand
per 
Kg/ 100M
1175 1270 1370 1470 1570
Breaking strength of strand KN≥
1×19 1.60 8.0 38.2 44.88 48.51 52.38 56.15 59.97 30.40
1.80 9.0 48.35 56.81 61.40 66.24 71.07 75.91 38.49
2.00 10.0 59.69 70.14 75.81 81.77 87.74 93.71 47.51
2.20 11.6 72.22 84.86 91.71 98.94 106.16 113.39 56.69
2.30 11.5 78.94 92.75 100.25 108.15 116.04 123.94 62.84
2.60 13.0 100.88 118.53 125.12 138.20 148.29 158.38 80.30
2.90 14.5 125.50 147.46 159.38 171.93 184.48 197.03 99.90
3.00 15.0 134.30 157.80 170.56 183.99 197.42 210.85 105.43
3.20 16.0 152.81 179.55 194.06 209.35 224.63 239.91 121.64