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BAOSTEEL METAL / ZINC-COATED STEEL WIRE

Galvanized Steel Wire

ASTM A641/A641M-19(2025) · EN 10244-2:2023 · HOT-DIP & ELECTRO-GALVANIZED OPTIONS

Coating Class by OrderSoft / Medium / Hard TemperCoils & SpoolsBulk Industrial Supply
Wire diameter + zinc massCoating tests + MTC by agreement
ZINC-COATED CARBON STEEL WIRE

Specify the wire, zinc coating and tensile condition for a comparable factory quotation.

Source galvanized steel wire for fencing, mesh manufacture, binding and industrial wire processing. Confirm wire diameter, coating method, zinc coating class or mass, tensile temper, unit coil weight and inspection documentation before placing a bulk order.

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Industrial hot-dip galvanized steel wire coils with uniform metallic zinc coated surfaces in a manufacturing warehouse
8 Million MTActual annual steel output across the company
1 Million MTCombined regular inventory across steel categories
500,000 m²Factory area across operations
1,000+Employees across company operations
PRODUCT OVERVIEW

Zinc-Coated Wire for Industrial Processing

Corrosion protection, tensile properties and coil configuration must be specified together.

What Is Galvanized Steel Wire?

Galvanized steel wire is carbon steel wire protected by a zinc coating. For industrial purchasers, the actual product specification combines the underlying steel temper with finished diameter, zinc coating requirement, surface condition and winding format.

  • Material: zinc-coated carbon steel wire, supplied as coils or other agreed winding formats.
  • Protective layer: metallic zinc provides sacrificial corrosion protection, subject to the environment and coating continuity.
  • Supply route: hot-dip galvanizing or electrogalvanizing, subject to the manufacturing route and product standard.
  • Applications: fencing wire, mesh feedstock, agricultural wire, ties and qualified fabrication uses.
Procurement principle: “galvanized” describes the finish; a reliable order also specifies the zinc coating mass or class, tensile temper and finished wire dimension.

The Six Items That Control the Quote

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ItemWhat to confirm
MaterialCarbon steel wire and specified product standard
Nominal diameterState whether diameter is bare-core or finished coated diameter
CoatingHot-dip or electro; ASTM class or EN class, or contracted g/m²
Tensile conditionSoft, medium or hard temper; diameter-specific strength range
PackingCoil/spool bore, net unit mass and total order quantity
InspectionZinc mass, adhesion, surface quality, tensile test and lot traceability
TECHNICAL SPECIFICATIONS

Galvanized Steel Wire Specifications

Specify tensile condition, coating class and diameter together for consistent supplier comparisons.

Galvanized Steel Wire Specifications

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ParameterReference / RFQ requirement
MaterialZinc-coated (galvanized) carbon steel wire
Primary product standardASTM A641/A641M-19(2025), when applicable
Zinc coating requirementsEN 10244-2:2023 or the applicable ASTM coating class
Galvanizing processHot dip or electrolytic, as specified and feasible
Reference inquiry diameterØ0.5–6.0 mm; actual sizes, tolerances and inventory by quotation
Wire temperSoft / medium / hard, or contracted tensile range
Wire cross sectionRound; special profiles only after engineering review
Coating specificationClass and minimum coating mass g/m²; defined test method
PackingCoil / spool / reel, agreed winding and unit weight
DocumentationInspection report/MTC and other agreed shipment documents

How to Write the Purchase Order

  • Give the diameter in millimetres and identify the measuring stage (bare core vs coated finished wire).
  • Identify one coating standard and edition rather than an undefined “heavy galvanized” description.
  • State the coating class and minimum mass in g/m², or any separate project requirement.
  • Confirm wire temper and specified tensile-strength acceptance range.
  • Include net coil weight, coil inner diameter, quantity, delivery destination and documentation.
The Ø0.5–6.0 mm range is for inquiries, not a promise that every diameter, temper or coating class is immediately available.
WIRE DIAMETER & WEIGHT

Galvanized Steel Wire Diameter & Theoretical Weight Chart

Reference round-wire dimensions and steel-only mass for preliminary purchasing estimates.

On smaller screens, swipe the table horizontally to see all columns.

Bare steel wire diameter (mm)Steel-only running mass (g/m)Steel mass per 1,000 m (kg)Steel mass per 100 m (kg)
Ø0.51.5411.5410.154
Ø0.83.9463.9460.395
Ø16.1656.1650.617
Ø1.28.8788.8780.888
Ø1.513.87213.8721.387
Ø224.66224.6622.466
Ø2.538.53438.5343.853
Ø355.48855.4885.549
Ø3.575.52675.5267.553
Ø498.64698.6469.865
Ø5154.134154.13415.413
Ø6221.954221.95422.195

Theoretical bare-steel mass only: calculations use a solid round carbon steel section and density 7,850 kg/m³. The zinc coating adds weight and may increase the finished outside diameter. These diameter examples are inquiry sizes, not a live stock list.

Gauge conversion: BWG, SWG and other gauge systems can produce different millimetre diameters. Request a final diameter in mm rather than relying on gauge number alone.
STANDARDS & COMPLIANCE

ASTM A641 and EN 10244-2: Which Requirements Apply?

Use the product specification and the coating standard for their respective scopes.

Applicable Standards and Their Roles

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StandardScope in this product page
ASTM A641/A641M-19(2025)General-use zinc-coated carbon steel wire in coils; soft, medium and hard temper; coating class and testing per order.
EN 10244-2:2023Mass, properties and testing of zinc or zinc-alloy coatings on steel wire and wire products.
Application-specific standardFinished products such as fence fabric or gabion wire may have additional dimensional, coating and fabrication requirements.
Contract specificationSets project-specific diameter, coating, temper, inspection and acceptance criteria.

Coating Class Is Not a Process Name

Hot-dip and electrogalvanized are manufacturing methods. “Regular” and numbered classes in an ASTM coating specification, or EN 10244-2 coating classes, refer to specified coating requirements.

  • ASTM A641 regular coating calls for full zinc surface coverage but does not set a universal minimum coating mass.
  • An ASTM numbered class has requirements for the applicable wire size; order the exact class and standard edition.
  • EN 10244-2 defines its own coating categories; an EN class should not be assumed equivalent to an ASTM class.
  • All ordered classes and coating results need to be tied to the correct product diameter and test basis.
ASTM A641 is a general-use wire standard. It does not automatically certify a finished fence panel, welded mesh, wire rope or another downstream product.
ZINC COATING

Hot-Dip vs Electro-Galvanized Steel Wire

Compare the process and inspectable coating requirements rather than choosing on appearance alone.

Hot-Dip vs Electro-Galvanized Wire

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Selection factorHot-dip galvanizedElectrogalvanized
Coating routeWire passes through molten zinc, with coating mass affected by process controls.Zinc is deposited using an electrolytic bath.
AppearanceSurface texture/brightness vary with alloying and finishing.Often smoother, subject to process and finishing.
Coating massSpecify required class/g/m²; do not infer it from the process name.Specify required class/g/m²; do not infer it from the process name.
VerificationUse coating-mass, adhesion and applicable surface tests.Use coating-mass, adhesion and applicable surface tests.
SelectionEvaluate environment, wire temper, forming and expected service.Evaluate environment, wire temper, forming and expected service.

Actual corrosion behavior depends on coating mass, coverage, exposure, water retention, cut edges and service conditions.

What Does Zinc Coating Mass Mean?

Coating mass (g/m²) expresses zinc mass per unit of bare-wire surface area. It is not the same as wire mass in kg/m or a guaranteed corrosion-service life.

  • The requested class may correspond to a different minimum g/m² for different wire diameters.
  • Specify whether finished wire diameter includes coating thickness.
  • Confirm whether bending or forming follows galvanizing; severe deformation may affect the zinc layer.
  • Choose coating requirements for the real exposure category, including humidity and chemical contact.
A numerical g/m² value shown in the calculator is a customer-entered example, not an offered or guaranteed zinc coating class.
MECHANICAL BEHAVIOR

Soft, Medium and Hard Galvanized Wire Temper

Strength and formability are tied to final wire diameter and manufacturing condition.

Tempering and Tensile Requirements

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ConditionProcurement consideration
Soft temperCommon request where flexibility and bending are important; confirm actual standard tensile range for diameter.
Medium temperBalances strength and forming requirements according to the agreed tensile acceptance.
Hard temperSelected for specified higher-strength uses; confirm wire size, process and mechanical testing.
After-galvanizing formingCheck whether the specified forming or wrapping operation requires special zinc adhesion testing.

Avoid Unqualified Strength Guarantees

ASTM A641 addresses soft, medium and hard temper. The required tensile property changes with temper, wire diameter and applicable specification. Do not accept one generic tensile strength for every galvanized wire coil.

  • Request the finished-wire tensile strength range in MPa or psi.
  • Set requirements for bending, winding, tying or further drawing.
  • Specify diameter tolerance and any elongation or wrapping requirement.
  • Agree testing frequency and sample/lot traceability before manufacturing.
Chemical composition and strength acceptance must be supported by the specified steel wire/product requirements and measured production data.
SURFACE & COATING TESTS

Galvanized Wire Surface and Coating Integrity

Define test criteria and inspection records instead of relying only on a bright visual finish.

Macro photograph of a zinc coated galvanized carbon steel wire surface and round wire ends showing uniform metallic coating
COATING QUALITY

Coverage, Adhesion and Diameter Control

Galvanized steel wire should arrive with an agreed surface appearance and coating integrity. Inspection needs to match the actual intended use, including bending, twisting, mesh processing and exposure.

  • Appearance: inspect for missed coating, loose zinc, damage and visible contamination.
  • Coating mass: verify g/m² against the selected class or specified minimum.
  • Adhesion: use the applicable winding/wrapping test or agreed method.
  • Dimension: verify bare wire gauge, finished size and relevant tolerances.
  • Handling: protect against abrasion, coil damage and prolonged wet storage.
PRODUCT OPTIONS

Galvanized Steel Wire Supply Options

Different zinc-coating routes and classes can be ordered against the right wire specification.

Industrial hot dip galvanized steel wire in round coils with clean silver gray zinc surface

Hot-Dip Galvanized Wire

Steel wire coils with a specified zinc coating mass, suited to qualified fencing, forming and general industrial uses.

Electro galvanized bright zinc coated steel wire wound uniformly onto an industrial wire spool

Electro-Galvanized Wire

Electrolytically zinc-coated wire supplied to an agreed diameter, finish and coating requirement.

Coils of heavier zinc coated galvanized steel wire stacked for industrial fencing and wire processing

Specified-Coating-Mass Wire

A purchased coating class or g/m² requirement for service conditions that warrant documented coating control.

Availability: coating class, wire temper, coil dimensions and galvanizing route are confirmed for the actual inquiry. A type label does not imply every combination is in stock.
MATERIAL SELECTION

Galvanized Steel Wire vs Stainless Steel Wire

Zinc-coated carbon steel and stainless steel use different corrosion-protection mechanisms.

Galvanized vs Stainless Steel Wire

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FactorGalvanized carbon steel wire304/316L stainless wire
ProtectionExternal zinc coating protects the carbon steel substrate.Corrosion behavior depends on chromium-based passive alloy chemistry.
Typical buying criteriaZinc coating mass/class, wire tensile temper, diameter.Alloy grade, annealed or cold-worked condition, diameter.
Special exposureZinc coating life depends on environment and available sacrificial layer.Grade suitability depends on environment; 316L adds Mo for some chloride exposures.
Product conditionCoating and mechanical testing by the selected carbon steel wire standard.Stainless wire conditions to the relevant stainless material standard.

Which Material Fits the Specification?

Start with the required wire function, corrosion exposure and design life. Galvanized carbon steel wire is widely selected for economic zinc-coated protection; stainless wire may be specified where alloy corrosion performance, aesthetics or service constraints govern.

  • Assess exposure to wet, salt-laden or chemical environments.
  • Consider cut edges and abrasion during downstream fabrication.
  • Compare wire weight, tensile performance, winding and total cost of ownership.
  • Request the applicable product specification, not only a generic material name.
Compare Stainless Steel Wire
WHERE IT IS USED

Galvanized Steel Wire Applications

Coated steel wire is widely used as an input to fencing, mesh, tying and fabrication.

Coiled zinc coated galvanized steel wire beside fencing wire panels and industrial galvanized wire mesh in a factory
APPLICATION / 01

Fencing Wire

Zinc-coated feedstock for fencing and wire fabric when the final product standard and wire temper are satisfied.

APPLICATION / 02

Wire Mesh Fabrication

Wire suitable for weaving or welding under order-defined zinc coating and weldability requirements.

APPLICATION / 03

Agricultural Wire

Tying, supporting and field-wire applications with controlled strength and coating.

APPLICATION / 04

Construction Binding Wire

Soft galvanised wire for specified tying and binding tasks on construction sites.

APPLICATION / 05

Industrial Wire Forms

Wire clips, ties and formed fittings, with minimum bend radius and coating integrity confirmed.

APPLICATION / 06

Distributor Coil Supply

Consolidated coils or reels ordered by gauge, class, net unit mass and destination.

Suitability and required approvals are determined by the finished product and project specification. General-purpose galvanized wire is not automatically certified as a complete structural mesh, fence or wire-rope assembly.

PROCESS OVERVIEW

Galvanized Steel Wire Manufacturing Process

Wire preparation and zinc application jointly influence the resulting wire properties.

Industrial continuous steel wire galvanizing production line with zinc bath rollers and coiled wire machinery
WIRE PROCESSING

From Carbon Steel Wire to Zinc-Coated Coils

Production can include steel feedstock verification, drawing, cleaning, galvanizing, controlled wiping or electro deposition, inspection and winding. Whether wire is further drawn after coating must be agreed because it influences final wire size and coating behavior.

  • Select carbon steel wire feedstock and confirm heat/lot identity.
  • Control drawing route, diameter and required temper.
  • Clean the wire before the selected zinc-coating process.
  • Control coating mass, surface appearance and adhesion.
  • Inspect finished wire and wind it into shipment-ready coils.
Manufacturing steps vary by plant, diameter, coating route and application. A named process is not a guarantee of available capacity for a particular order.
WHY BAOSTEEL METAL

Industrial Supply Backed by Verified Company Scale

Factory planning, quality verification and practical export coordination for zinc-coated wire procurement.

01 / CAPACITY

Industrial Production Scale

8 million MT actual annual steel output across the company, supporting large B2B supply coordination.

02 / INVENTORY

Multi-Category Inventory

1 million MT combined regular steel inventory. Galvanized wire gauge/class availability is verified per enquiry.

03 / QUALITY

Specific Inspection Scope

Coating mass, tensile condition, dimension, surface and material identity agreed before acceptance.

04 / EXPORT

Shipment Planning

Coil mass, protective wrapping, packing lists, shipment destination and inspection documents are coordinated by order.

WEIGHT & QUANTITY

Galvanized Steel Wire Weight Calculator

Estimate separate steel and zinc mass, or calculate net order tonnes from coil weights.

01 / Wire Length + Zinc Coating Estimate

Input the bare steel core diameter, wire length and specified zinc mass. The tool adds estimated zinc mass to theoretical steel mass.

Theoretical steel + zinc— MT
— kgCarbon steel only
— kgApproximate zinc addition
— g/mEstimated combined running mass
— kgTotal estimated kilograms

Steel kg/m = πd²/4 × 0.00785 (d in mm). Zinc kg = π × (d/1000) × length(m) × coating(g/m²)/1000. This approximation uses bare-wire surface area; it omits tolerance, coating geometry and package tare. The 100 g/m² starting input is a user-adjustable example, not a coating guarantee.

02 / Coil or Spool Purchase Weight

Estimate the total order mass using your specified net mass per coil/spool, including coating where applicable.

Net order mass— MT
— kgNet kilograms
— coilsNumber of coils

This second calculator uses your packing assumptions; 25 kg is not a standard unit weight or live-stock promise. Actual dispatch mass and packing tare are confirmed by documents.

Need the zinc mass and tensile specification confirmed?

Send the bare/finished diameter, coating requirement, temper, coil dimensions and order weight.

PRODUCTION CAPABILITY

Galvanized Steel Wire Production and Finishing

Connect the wire manufacturing route with measurable zinc coating and tensile requirements.

Industrial galvanized steel wire manufacturing and coil winding production line with metallic zinc coated steel strands
MANUFACTURING & TESTING

Coating Uniformity and Wire Condition Control

Galvanized steel wire quality requires control over steel feedstock, drawn diameter, zinc deposition, surface handling and finished-wire mechanical properties.

  • Lot identity and wire diameter verification before coating.
  • Coating process setup for the selected zinc mass/class.
  • Finished-wire tensile testing according to the contracted temper and size.
  • Coating mass, adhesion and appearance checks at agreed sampling frequency.
  • Safe coiling, labeling and export packaging.
STOCK & DELIVERY

Galvanized Steel Wire Availability by Specification

Current availability depends on wire diameter, zinc coating, tensile temper and order quantity.

Confirm Stock Against the Exact Product

Company-wide inventory spans multiple steel categories. It does not establish immediate stock of every galvanized wire diameter, zinc mass, process or coil size.

  • Confirm the specific finished wire diameter and permitted tolerance.
  • Choose coating process, coating class or g/m² and tensile temper.
  • Specify whether coil or spool packaging is required.
  • State required total quantity, documentation and destination.
  • Confirm available production schedule and shipment terms in the quotation.

Coil and Spool Availability

Palletized stacks of galvanized steel wire coils arranged in an orderly industrial steel warehouse

Available diameter, coating class, unit mass, production minimum and lead time are confirmed for the actual order.

QUALITY ASSURANCE

Galvanized Steel Wire Testing and Documentation

Zinc coating mass and tensile condition require separate, documented acceptance criteria.

Quality Checklist for Zinc-Coated Wire

  • Conformity to ordered standard and edition, wire temper and dimensions.
  • Measured zinc coating mass in g/m² against the contracted class or limit.
  • Coating continuity and surface appearance, plus adhesion where applicable.
  • Wire tensile strength and other required mechanical acceptance tests.
  • Coil/lot identification, count, net weight and packing list reconciliation.
  • Mill inspection report/MTC or other agreed third-party documentation.
Certificate scope and any third-party approval must be confirmed for each actual producing mill and lot. No universal certification is claimed.

Coating and Diameter Testing

Industrial inspector using micrometer on zinc-coated galvanized steel wire during surface and dimensional quality control

Confirm sampling frequency, test method, required reports and traceability before ordering large quantities.

Need an inspection plan before purchase?

Send the specified minimum coating mass, applicable class, wire temper and reporting format.

OPTIONAL PROCESSING

Galvanized Wire Processing and Packing Options

Limit services to specification-defined, manufacturable operations with confirmed coating integrity.

Cutting & Straightening

Discuss cut lengths or straightened sections where the diameter, temper and coating permit the requested tolerance.

Coil / Spool Configuration

Set winding method, coil bore, spool dimensions and net unit mass for your equipment and logistics.

Downstream Forming Coordination

Confirm bending or mesh-making needs, including any post-forming coating integrity or finished-part standard.

Optional services are subject to actual diameter, coating route, production capability, minimum order quantity and commercial agreement.

EXPORT & PACKING

Galvanized Steel Wire Coils and Export Packaging

Practical packaging protects the zinc layer and preserves product traceability.

Zinc coated steel wire coils secured by straps and protective wrap on wooden pallets for export shipment
EXPORT PACKING

Protect Coating and Maintain Coil Identity

Shipment packing should protect galvanized wire from handling damage, abrasion and unnecessary wet storage. The right coil arrangement also supports safe unwinding at the customer’s facility.

  • Agreed coil inner diameter, outside diameter, unit net weight and winding direction.
  • Strapping, corrosion-aware wrapping and palletization compatible with the shipping route.
  • Product label including wire diameter, coating class, wire temper, lot number and net mass.
  • Loading plan and protection from mechanical damage during transit.
  • Packing list and inspection documents matched to shipment identification.
BULK PROCUREMENT

Galvanized Steel Wire RFQ Checklist

A complete coating and temper specification reduces quotation revisions.

Send These Six Details

  1. 01 ASTM/EN standard edition and zinc-coated carbon steel wire product description.
  2. 02 Bare or finished coated diameter (mm) and dimensional tolerance.
  3. 03 Galvanizing method, coating class and minimum zinc mass in g/m².
  4. 04 Soft/medium/hard temper and required tensile range or forming condition.
  5. 05 Coil/spool geometry, approximate net unit weight and total order quantity.
  6. 06 Inspection documents, destination port and required delivery timing.

Request a Comparable Factory Quote

Accurate unit prices depend on the stated steel wire condition, zinc coating mass, diameter and packing. Send technical drawings or a coating specification through the global RFQ form where enabled.

Actual stock, zinc coating class and lead time are confirmed after technical review. Quotes do not imply universal immediate availability.

Email: [email protected]

WhatsApp: +86 133 7050 3400

BUYER QUESTIONS

Galvanized Steel Wire FAQs

Practical answers for choosing a wire coating, temper and packaging specification.

FREQUENTLY ASKED

Galvanized Steel Wire FAQ

Procurement answers on zinc coating mass, wire temper, specifications and coils.

What is galvanized steel wire?

It is carbon steel wire with a protective zinc layer. Buyers should confirm core or finished diameter, coating class/mass, tensile condition and packaging.

Which ASTM standard applies to general-purpose galvanized wire?

ASTM A641/A641M-19(2025) covers soft, medium and hard temper zinc-coated carbon steel wire in coils for general use. Application-specific finished products may require additional standards.

Is hot-dip galvanized wire automatically more corrosion-resistant than electro-galvanized wire?

The galvanizing route alone does not define coating life. Compare actual zinc coating mass, continuity, service conditions and the relevant acceptance criteria.

What is zinc coating mass in g/m²?

It measures grams of zinc per square metre of the bare wire surface. The specified minimum depends on the applicable standard, coating class and wire diameter.

What does ASTM A641 regular coating mean?

Regular coating requires complete zinc surface coverage but does not specify a universal minimum zinc mass. If a minimum is needed, state the correct class or agreed g/m².

Are ASTM A641 coating classes the same as EN 10244-2 classes?

No automatic equivalence should be assumed. Select a specific standard and edition and verify the applicable diameter-based coating requirements.

Which wire temper should I specify?

Soft, medium and hard temper have different tensile and forming characteristics. Confirm finished diameter, tensile acceptance and the intended bending, tying or further drawing use.

Can I order electro-galvanized steel wire?

Electrogalvanizing can be specified for appropriate wire products. Confirm the available process, required coating mass and product standard with the producing mill.

Does the weight calculator include zinc?

The length-based calculator adds an approximate zinc mass using user-entered g/m² and bare wire diameter. Actual packed or invoiced mass depends on measurement and weighing.

Is galvanized wire suitable for wire mesh and fencing?

It may be used as feedstock when its wire diameter, temper, coating and forming properties match the finished product standard. Completed fencing or mesh requires separate acceptance checks.

How should galvanized wire coils be specified?

State coil bore, winding type, net coil mass, label information, strap/packaging requirements and destination.

What information is needed for a bulk quotation?

Provide the product standard, wire diameter basis and tolerance, zinc coating class or g/m², temper, coil weight, total quantity, inspection requirements and shipment destination.

BAOSTEEL METAL / GALVANIZED WIRE PROCUREMENT

Request Your Galvanized Steel Wire Quote

Send the wire diameter, zinc coating mass/class, hot-dip or electro process, tensile temper, net coil weight, total quantity, delivery destination and testing requirements. Our team will verify feasibility and quotation terms.

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