18 Gauge Galvanized Steel Conductor Wire for Fencing & Binding
The 18 Gauge Galvanized Steel Conductor Wire is designed for flexibility, durability, and reliable performance in light-duty applications. Manufactured from high-quality carbon steel and coated with a protective zinc layer through hot-dip galvanization, it offers excellent resistance to corrosion, rust, and environmental exposure. With its thinner 18 gauge diameter, this wire provides superior flexibility while maintaining adequate tensile strength, making it ideal for applications such as agricultural fencing, construction binding, packaging, and general industrial use. The uniform zinc coating ensures long-lasting protection, even in outdoor and humid environments. The smooth and clean surface reduces friction during handling and installation, improving efficiency and safety. Produced under strict quality control procedures and compliant with international standards such as ASTM and IEC, the wire ensures consistent performance. Customization options including zinc coating thickness, tensile strength, and packaging are available to meet specific customer requirements, making it a cost-effective and versatile solution.
- Gauge 18 AWG
- Diameter Approx. 1.2 mm
- Breaking Strength High (varies by exact grade)
- Standard ASTM / IEC / BS
- Zinc Coating 20–80 g/m²
Construction
Technical Specifications
Quality Control
Application
Construction
18 Gauge Galvanized Steel Conductor Wire
Key Product Features
High flexibility with reliable strength
Excellent corrosion resistance with zinc coating
Smooth surface for easy handling and installation
Lightweight and suitable for light-duty applications
Long service life in outdoor environments
Excellent corrosion resistance with zinc coating
Smooth surface for easy handling and installation
Lightweight and suitable for light-duty applications
Long service life in outdoor environments
Coating
Hot Dip Galvanizing, Electro Galvanizing & Aluminum-Zinc Coating
Tensile Strength
300–600 MPa
Usage
Overhead ground/static wire, guy wire
Technical Specifications
18 Gauge Galvanized Steel Conductor Wire for Fencing & Binding
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 | 6 | 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 | 9 | 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
18 Gauge Galvanized Steel Conductor Wire for Fencing & Binding
Raw Material Test
The manufacturing of 18 Gauge Galvanized Steel Conductor Wire begins with strict raw material testing to ensure consistent product quality. High-quality steel rods are carefully selected and analyzed for their chemical composition using advanced testing equipment. Elements such as carbon and manganese are precisely controlled to achieve the required mechanical properties.Only qualified raw materials are approved for further processing. This ensures that the final 18 Gauge Galvanized Steel Conductor Wire delivers stable performance, excellent flexibility, and durability, especially in applications requiring lightweight and corrosion-resistant materials.
Process inspection
During production, the 18 Gauge Galvanized Steel Conductor Wire undergoes strict process inspection to ensure high quality and consistency. The wire drawing process is monitored to maintain precise diameter and smooth surface finish. In the galvanization stage, parameters such as temperature, zinc bath composition, and immersion time are carefully controlled to achieve a uniform coating. Coating thickness is regularly measured to ensure compliance with standards. Through these process controls, the 18 Gauge Galvanized Steel Conductor Wire achieves reliable corrosion resistance, flexibility, and long-lasting performance.
Finished Product
Before shipment, each batch of 18 Gauge Galvanized Steel Conductor Wire is subjected to comprehensive finished product testing. Mechanical properties such as tensile strength and elongation are tested to ensure the wire meets performance requirements. The zinc coating is evaluated through thickness and weight testing to confirm effective corrosion protection. Salt spray testing may also be conducted to simulate harsh environmental conditions. Dimensional checks ensure the wire meets exact 18 gauge specifications. Surface quality inspections confirm a smooth, defect-free finish. Packaging inspection is also performed to ensure safe delivery. These thorough tests guarantee that every coil of 18 Gauge Galvanized Steel Conductor Wire meets high standards and performs reliably in real applications.
Application
18 Gauge Galvanized Steel Conductor Wire is widely used in agricultural fencing, construction binding, packaging, handicrafts, and light industrial applications requiring flexible and corrosion-resistant wire solutions.
Technical Advantages
● 30+ years of manufacturing experience
● ISO and UL certified production
● Customized cable and transformer solutions
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