
3.45mm Hot Dipped Galvanized Steel Wire ASTM B498 Class a
The 300,000-ton automatic tunnel-type continuous pretreatment line (production line) is controlled by the PLC program control system, and is subjected to surface treatment processes such as pickling, dipping, rinsing, phosphating, warm washing, saponification, and drying.
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Product Introduction
High Strength Galvanized Steel Wire is a steel wire with a wide range of applications, which can be used in equipment such as terminal cranes, mining winches and tower cranes. It not only has high strength and good performance, but also has quality assurance. It is the best choice for steel reinforcement applications in engineering construction and industrial manufacturing.
Features
High Strength Galvanized Steel Wire is made of high-quality galvanized steel wire, with high strength, sturdiness and durability, and stronger fatigue resistance. It has a smooth surface, no burrs, and will not hurt your hands. It has strong bearing capacity, abrasion resistance , and the quality is guaranteed. Please rest assured to buy.
Diameter: 1.8mm – 4.0mm
Package: Coil(50kg-500kg), Drum, Z2, Z3
Standard: ASTM B498, GB/T 3428(G1A-G5A)
Application: High strength galvanized steel wire for Round wire concentric lay overhead electrical stranded conductors,


1 Grade Galvanized Steel Wire
Specified Diameter | Mm | Stress at 1% Extension, min, Mpa | Ultimate Tensile Strength, Min Mpa | Elongation in 250mm min, % | Wrap Test of | Twist Test | |
From | To | ||||||
Zinc Coating Class A | |||||||
1.80 | 2.25 | ±0.03 | 1170 | 1340 | 3 | 1D | 18 |
2.25 | 2.75 | ±0.04 | 1140 | 1310 | 3 | 1D | 16 |
2.75 | 3.00 | ±0.05 | 1140 | 1310 | 3.5 | 1D | 16 |
3.00 | 3.50 | ±0.05 | 1100 | 1290 | 3.5 | 1D | 14 |
3.50 | 4.00 | ±0.06 | 1100 | 1290 | 4 | 1D | 12 |
2 Grade Galvanized Steel Wire
D Specified Diameter | Mm Permissible Variation | Stress at 1% Extension, min Mpa | Ultimate Tensile Strength, Min Mpa | Elongation in 250mm min, % | Wrap Test of | Twist Test No. min | |
From | To | ||||||
Zinc Coating Class A | |||||||
1.80 | 2.25 | ±0.03 | 1310 | 1450 | 2.5 | 3D | 16 |
2.25 | 2.75 | ±0.04 | 1280 | 1410 | 2.5 | 3D | 16 |
2.75 | 3.00 | ±0.05 | 1280 | 1410 | 3.0 | 4D | 16 |
3.00 | 3.50 | ±0.05 | 1240 | 1410 | 3.0 | 4D | 14 |
3.50 | 4.00 | ±0.06 | 1170 | 1380 | 3.0 | 4D | 12 |
3 Grade Galvanized Steel Wire
D Specified Diameter. MM | Mm Permissible Variation | Stress at 1% Extension, Min Mpa | Ultimate Tensile Strength, Min Mpa | Elongation in 250mm min, % | Wrap test of Cylindrical mandrel dia. mm | Twist test No. min | |
From | To | ||||||
Zinc Coating Class A | |||||||
1.80 | 2.25 | ±0.03 | 1450 | 1620 | 2.0 | 4D | 14 |
2.25 | 2.75 | ±0.04 | 1410 | 1590 | 2.0 | 4D | 14 |
2.75 | 3.00 | ±0.05 | 1410 | 1590 | 2.5 | 4D | 12 |
3.00 | 3.50 | ±0.05 | 1380 | 1550 | 2.5 | 4D | 12 |
3.50 | 4.00 | ±0.06 | 1340 | 1520 | 2.5 | 4D | 10 |
4 Grade Galvanized Steel Wire
D Specified Diameter. | Mm | Stress at 1% Extension, Min Mpa | Ultimate Tensile Strenght, Min Mpa | Elongation in 250mm min, % | Wrap test of Cylindrical mandrel dia. mm | Twist test No. min | |
From | To | ||||||
Zinc Coating Class A | |||||||
1.80 | 2.25 | ±0.03 | 1580 | 1870 | 3.0 | 4D | 12 |
2.25 | 2.75 | ±0.04 | 1580 | 1820 | 3.0 | 4D | 12 |
2.75 | 3.00 | ±0.05 | 1550 | 1820 | 3.5 | 4D | 12 |
3.00 | 3.50 | ±0.05 | 1550 | 1770 | 3.5 | 4D | 12 |
3.50 | 4.00 | ±0.06 | 1500 | 1720 | 3.5 | 4D | 10 |
5 Grade Galvanized Steel Wire
D Specified Diameter. | Mm | Stress at 1% Extension, Min Mpa | Ultimate Tensile Strenght, Min Mpa | Elongation in 250mm min, % | Wrap test of Cylindrical mandrel dia. mm | Twist test No. min | |
From | To | ||||||
Zinc Coating Class A | |||||||
1.80 | 2.25 | ±0.03 | 1600 | 1960 | 3.0 | 4D | 12 |
2.25 | 2.75 | ±0.04 | 1600 | 1910 | 3.0 | 4D | 12 |
2.75 | 3.00 | ±0.05 | 1580 | 1910 | 3.5 | 4D | 12 |
3.00 | 3.50 | ±0.05 | 1580 | 1870 | 3.5 | 4D | 12 |
3.50 | 4.00 | ±0.06 | 1550 | 1820 | 3.5 | 4D | 10 |
Zinc Coating
D Specified Diameter. | Area Density of Coating, min, of Uncoated Wire Surface, g/㎡ | ||
From | To | Class A | Class B |
1.8 | 2.25 | 215 | / |
2.25 | 3.00 | 230 | / |
3.00 | 3.50 | 245 | / |
3.50 | 4.00 | 260 | / |
Production Equipment

The 300,000-ton automatic tunnel-type continuous pretreatment line (production line) is controlled by the PLC program control system, and is subjected to surface treatment processes such as pickling, dipping, rinsing, phosphating, warm washing, saponification, and drying.

8 straight-type wire drawing machines, the pickled phosphating saponified wire rods are drawn through multiple passes to reach the required diameter and wound up onto the spool.

The steel wire is discharged through the pay-off machine and enters the electrolytic alkali washing tank for degreasing (removing the lubricating film during drawing)

The steel wire is degreased and cleaned by electrolytic alkali washing tank, pickled, washed, and then enters the plating bath, and then dried to enter the hot-dip galvanizing pot.

The excess zinc on the surface of the steel wire was scraped back to the zinc pot by a nitrogen wiping device, and a zinc layer having a smooth surface was obtained, and then the cooling jet formed by the four water nozzles cooled the molten zinc into solid zinc. Then enter the wire take-up machine through the branch line guiding device.

Through the guiding device and take-up machine,leading to two type of packing.One is the hollow packing,the other one is spool packing.

The steel wire is wound from the 1000 type wheel to the 400, 500 or 630 type of wheel. The process should pay attention to the steel wire strength grade, wire diameter and wire length. If the error occurs, the steel strand can not be delivered.

4 sets 1x7 stranding machine and 1 set 1x19 stranding machine.
Testing Equipments
Our company has complete and advanced testing facilities and high qualified inspection technicians. Each process, from the materials, semi-products, finished products, to the production implement, is totally under a strict quality control system to guarantee the final performances of all the products.
1.Electronic Tensile Testing Machine; (100T) Hydraulic Universal Testing Machine; Torsion Testing Machine; Metallographic Microscope
2.Chemical Composition Analyzer; Bend Testing Machine; Wrap Testing Machine; Fatigue Testing Machine




Based on the principle of mutual benefit and common prosperity, we provide excellent 3.45mm Hot Dipped Galvanized Steel Wire ASTM B498 Class a and services. We have established long-term friendly and mutually beneficial cooperation with our customers, and always provide high-quality technology and services to advance hand in hand with our customers. Our company advocates the continuous strengthening of service consciousness so that departments and positions can cooperate better with each other.
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