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10 Gauge Galvanized Steel Conductor Wire
10 Gauge Galvanized Steel Conductor Wire

10 Gauge Galvanized Steel Conductor Wire

The 10 Gauge Galvanized Steel Conductor Wire is a premium high-strength bare steel wire designed for reliable overhead power line applications. Manufactured with heavy hot-dip zinc coating, this 10 AWG galvanized conductor delivers superior corrosion resistance and long service life in harsh outdoor environments. It offers excellent tensile strength and mechanical performance, making it ideal for use as overhead ground wire (static wire), guy wire, or messenger wire. Fully compliant with ASTM A475 and related utility standards, the 10 Gauge Galvanized Steel Conductor Wire undergoes rigorous testing from raw materials to finished product to ensure uniform zinc adhesion, consistent diameter, and high breaking strength. Its durable construction minimizes maintenance while providing dependable shielding and structural support for transmission and distribution systems.
Gauge 10 AWG
Diameter Approx. 0.1019 inches (2.59 mm)
Breaking Strength High (varies by exact grade)
Zinc Coating 12 ~ 920 g/m2
Construction
Technical Specifications
Quality Control
Application

Construction

10 Gauge Galvanized Steel Conductor Wire
10 Gauge Galvanized Steel Conductor Wire

Key Product Features

Heavy hot-dip zinc coating for superior corrosion protection
High tensile strength for reliable mechanical performance
Excellent durability in coastal and industrial environments
Uniform coating with strong adhesion
Compliant with ASTM A475 and industry utility standards

Coating

Hot Dip Galvanizing, Electro Galvanizing & Aluminum-Zinc Coating

Tensile Strength

High-strength grade (typically 1900+ MPa range)

Usage

Overhead ground/static wire, guy wire, messenger wire

Technical Specifications

10 Gauge Galvanized Steel Conductor Wire
IEC 60189
ASTM A475
BS 183
Code No. Section Area No./Dia of Wire Approx. Overall Diameter Approx. Weight Breaking Load DC Resistance at 20°C Max.
S1A S1B S2A S3A
  mm² No./mm mm kg/km kN kN kN kN Ohm/km
4 27.1 7/2.22 6.66 213.3 36.3 33.6 39.3 43.9 7.1445
6.3 42.7 7/2.79 8.36 335.9 55.9 51.7 60.2 67.9 4.5362
10 67.8 7/3.51 10.53 553.2 87.4 80.7 93.5 103.0 2.8578
12.5 84.7 7/3.93 11.78 666.5 109.3 100.8 116.9 128.8 2.2862
16 108.4 7/4.44 13.32 853.1 139.9 129.0 199.7 164.8 1.7861
16 108.4 19/2.70 13.48 857.0 142.1 131.2 152.9 172.4 1.7944
25 169.4 19/3.37 16.85 1339.1 218.6 201.6 238.9 262.6 1.1484
40 271.1 19/4.26 21.31 2141.6 349.7 322.6 374.1 412.1 0.7177
40 271.1 37/3.05 21.38 2148.1 349.7 322.6 382.3 420.2 0.7196
63 427.0 37/3.83 26.83 3383.2 550.8 508.1 589.3 649.0 0.4569
Nominal Dia. of Strand
in.[mm]
No. of Wires in Strand Nominal Dia. of Coated Wires in Strand in.[mm] Approximate Weight of Strand
lb/1000ft[kg/km]
Minimum Breaking Strength of Strand,lbf[KN]
Common Grade Siemens-Martin Grade High-Strength Grade Extra High-Strength Grade
1/8 3.18 7 0.041 1.04   32 48   540 2.402   910 4.048 1  330 5.916 1  830 8.14
5/32 3.97 7 0.052 1.32   51 76   870 3.87 1  470 6.539 2  140 9.519 2  940 13.078
3/16 4.76 7 0.062 1.57   73 109 1  150 5.115 1  900 8.452 2  850 12.677 3  990 17.748
3/16 4.76 7 0.065 1.65   80 119                        
7/32 5.56 3 0.104 2.64   88 131 1  400 6.228 2  340 10.409 3  500 15.569 4  900 21.796
7/32 5.56 7 0.072 1.83   98 146 1  540 6.85 2  560 11.387 3  850 17.126 5  400 24.02
1/4 6.35 3 0.12 3.05   117 174 1  860 8.274 3  40 13.523 4  730 21.04 6  740 29.981
1/4 6.35 3 0.12 3.05   117 174                        
1/4 6.35 7 0.08 2.03   121 180 1  900 8.452 3  150 14.012 4  750 21.129 6  650 29.581
9/32 7.14 3 0.13 3.3   137 204 2  80 9.252 3  380 15.035 5  260 23.398 7  500 33.362
9/32 7.14 7 0.093 2.36   164 244 2  570 11.432 4  250 18.905 400 28.469 8  950 39.812
5/16 7.94 3 0.145 3.68   171 255 2  490 11.076 4  90 18.193 6  350 28.246 100 40.479
5/16 7.94 7 0.104 2.64   205 305 3  200 14.234 5  350 23.798 8  0 35.586 11  200 49.82
5/16 7.94 7 1.109 2.77   225 335                        
3/8 9.52 3 0.165 4.19   220 328 3  330 14.813 5  560 24.732 8  360 37.187 11  800 52.489
3/8 9.52 7 0.12 3.05   273 407 4  250 18.905 6  950 30.915 10  800 48.04 15  400 68.503
7/16 11.11 7 0.145 3.68   399 595 5  700 25.355 9  350 41.591 14  500 64.499 20  800 92.523
1/2 12.7 7 0.165 4.19   517 770 7  400 32.917 12  100 53.823 18  800 83.627 26  900 119.657
1/2 12.7 19 0.1 2.54   504 751 7  620 33.895 12  700 56.492 19  100 84.961 26  700 118.768
9/16 14.29 7 0.188 4.78   671 1000 9  600 42.703 15  700 69.837 24  500 108.981 35  0 155.688
9/16 14.29 19 0.113 2.87   637 949 9  640 42.881 16  100 71.616 24  100 107.202 33  700 14.905
5/8 15.88 7 0.207 5.26   813 1211 11  600 51.599 19  100 84.961 29  600 131.667 42  400 188.605
5/8 15.88 19 0.125 3.18   796 1186 11  0 48.93 18  100 80.513 28  100 124.995 40  200 178.819
3/4 19.05 19 0.15 3.81 1  155 1721 16  0 71.172 26  200 116.543 40  800 181.487 58  300 259.331
7/8 22.22 19 0.177 4.5 1  581 2356 21  900 97.416 35  900 159.691 55  800 248.211 79  700 354.523
1 25.4 19 0.2 5.08 2  73 3089 28  700 127.664 47  0 209.066 73  200 325.61 104  500 464.839
1 25.4 37 0.143 3.63 2  57 3065 28  300 125.885 46  200 205.508 71  900 319.827 102  700 456.832
11/8 28.58 37 0.161 4.09 2  691 4010 36  0 160.136 58  900 262 91  600 407.457 130  800 581.827
11/4 31.75 37 0.179 4.55 3  248 4840 44  600 198.391 73  0 324.72 113  600 505.318 162  200 721.502
No/Dia of Wire Approx. Overall Diameter Minimum Breaking Strength of Strand Approx. Weight
Grade 350 Grade 480 Grade 700 Grade 850 Grade 1000 Grade 1150 Grade 1300
No/mm mm kN kN kN kN kN kN kN kg/km
3/1 80 3.90 2.7 3.7           60.0
3/2 65 5.70 5.8 8.0           130.0
3/3 25 7.00 8.7 12.0           195.0
3/4 00 8.60 13.2 18.1           295.0
4/1 80 4.40 3.6 4.9           80.0
4/2 65 6.40 7.7 10.6           172.0
4/3 25 7.90 11.6 15.9           260.0
4/4 00 9.70 17.6 24.1 35.2         390.0
5/1 50 4.10 3.1 4.2 6.2         69.0
5/1 80 4.90 4.5 6.1 8.9         95.0
5/2 65 7.20 9.7 13.3 19.3         220.0
5/3 25 8.80 14.5 19.9 29.0         320.0
5/4 00 10.80 22.0 30.2 44.0         490.0
7/0 56 1.70 0.6 0.8 1.2 1.7 2.0 2.2 14.0  
7/0 71 2.10 1.0 1.3 1.9 2.8 3.2 3.6 28.0  
7/0 85 2.60 1.4 1.9 2.8 4.0 4.6 5.2 31.0  
7/0 90 2.70 1.6 2.1 3.1 4.5 5.1 5.8 35.0  
7/1 00 3.00 1.9 2.6 3.9 5.5 6.3 7.2 43.0  
7/1 25 3.80 3.0 4.1 6.0 8.6 9.9 11.2 67.0  
7/1 40 4.20 3.8 5.2 7.5 9.2 10.8 12.4 14.0 84.0
7/RS* 4.30 3.9 5.3 7.7 9.4 11.0 12.7 14.3 86.0

Quality Control

10 Gauge Galvanized Steel Conductor Wire
Raw Material Test

Raw Material Test

Raw Material Test is the critical first step in manufacturing the 10 Gauge Galvanized Steel Conductor Wire. Incoming high-carbon steel rods undergo detailed chemical composition analysis to verify carbon content and impurity levels meet strict ASTM requirements. Mechanical testing confirms tensile strength, elongation, and hardness for the desired high-strength grade. Surface inspection and dimensional checks detect any defects or diameter variations before processing. Only raw materials that fully pass every stringent criterion are approved for wire drawing and galvanizing in the production of the 10 Gauge Galvanized Steel Conductor Wire. This thorough incoming inspection ensures the foundation for excellent mechanical properties, uniform zinc coating adhesion, and long-term durability as overhead ground wire or guy wire in demanding utility applications.

 

Process inspection

Process inspection

Process Inspection during production of the 10 Gauge Galvanized Steel Conductor Wire maintains precise control at every stage. After cold drawing the steel wire to the exact 10 gauge diameter, continuous monitoring verifies dimensional tolerances and surface quality. The hot-dip galvanizing process controls zinc bath temperature, immersion time, and withdrawal speed to achieve uniform heavy coating with strong adhesion. Online thickness measurement and visual inspections prevent defects such as bare spots or uneven coating. Key process parameters are strictly logged. Mid-process sampling includes adhesion tests and partial tensile checks. Any deviation triggers immediate corrective action. These rigorous in-process controls safeguard the mechanical strength and corrosion resistance of the 10 Gauge Galvanized Steel Conductor Wire, resulting in a high-quality product suitable for overhead static wire and guy wire service.

 

Finished Product

Finished Product

Finished Product testing validates every reel of 10 Gauge Galvanized Steel Conductor Wire against the highest quality standards. Dimensional verification confirms the precise diameter and coating uniformity. Zinc coating weight and adherence tests ensure heavy galvanization meets or exceeds ASTM Class A requirements. Mechanical tests measure tensile strength and minimum breaking load. Full visual and tactile inspections check for surface defects or coating imperfections. All examinations follow ASTM A475 and related standards with detailed records for traceability. Packaging and marking accuracy are also verified. Only the 10 Gauge Galvanized Steel Conductor Wire that successfully passes 100% of these final inspections receives approval for shipment. This rigorous final quality gate assures customers of outstanding corrosion resistance, tensile strength, and reliability for overhead ground wire and guy wire applications.

 

Application

The 10 Gauge Galvanized Steel Conductor Wire is widely used as overhead ground wire (static/shield wire), guy wire for pole and tower support, and messenger wire in utility transmission and distribution lines. It provides reliable lightning protection and structural stability in rural, urban, and coastal power networks.

Technical Advantages

● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions

Product Packaging

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Wires and Cables packaging (1)
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Wires and Cables packaging (8)
Wires and Cables packaging (8)

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FAQ From Customers

What are the advantages of power cables and overhead lines?
(1) Reliable operation, because it is installed in a hidden place such as underground, it is less damaged by external forces, has less chance of failure, and the power supply is safe, and it will not cause harm to people;
(2) The maintenance workload is small and frequent inspections are not required;
(3) No need to erect towers;
(4) Help improve power factor.
Which aspects should be considered when choosing the cross section of a power cable?
(1) The long-term allowable working current of the cable;
(2) Thermal stability once short circuited;
(3) The voltage drop on the line cannot exceed the allowable working range.
What are the measures for cable fire prevention?
(1) Use flame-retardant cables;
(2) Use fireproof cable tray;
(3) Use fireproof paint;
(4) Fire partition walls and fire baffles are installed at cable tunnels, mezzanine exits, etc.;
(5) Overhead cables should avoid oil pipelines and explosion-proof doors, otherwise local pipes or heat insulation and fire prevention measures should be taken.
What should be paid attention to during the transportation and handling of cables?
(1) During transportation, loading and unloading, cables and cable reels should not be damaged. It is strictly forbidden to push the cable reels directly from the vehicle. Generally, cables should not be transported and stored flat.
(2) Before transporting or rolling the cable reel, ensure that the cable reel is firm, the cable is wound tightly, the oil pipe between the oil-filled cable and the pressure oil tank should be fixed without damage, the pressure oil tank should be firm, and the pressure indication should meet the requirements.
What inspections should be carried out for the acceptance of cable lines?
(1) The cable specifications should meet the regulations, the arrangement should be neat, no damage, and the signs should be complete, correct and clear;
(2) The fixed bending radius of the cable, the related distance and the wiring of the metal sheath of the single-core power cable should meet the requirements;
(3) The cable terminal and the middle head should not leak oil, and the installation should be firm. The oil pressure of the oil-filled cable and the meter setting should meet the requirements;
(4) Good grounding;
(5) The color of the cable terminal is correct, and the metal parts such as the bracket are completely painted;
(6) There should be no debris in the cable trench, tunnel, and bridge, and the cover should be complete.

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