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Nickel-plated Steel Wire
Grade: SWRM6, DL05, customized
Temper: O; 1/2H; 3/4H; H; T
Diameter: 0.02mm-15mm
Shanghai Metal Corporation is a leading Nickel-plated Steel Wire manufacturer and supplier.
Nickel-plated steel wire is a composite conductor made of a low-carbon steel core with an electroplated nickel layer on the surface. The steel core provides mechanical strength and formability, while the nickel coating delivers corrosion resistance, oxidation resistance at elevated temperatures and reliable solderability. It is supplied in diameters from 0.02 mm to 15 mm and in tempers from fully soft (O) to full hard (T), so it can be drawn, coiled, stamped or formed into finished parts without flaking at the coating interface. Typical uses include lead wires and support wires for incandescent and fluorescent lamps, inner conductor wire for communication cables, electrode leads for ceramic capacitors, battery contact springs, and support wires for cathode-ray tube grids. As a lower-cost substitute for solid nickel wire, it solves the problem of combining adequate electrical conductivity and solderability with the mechanical strength needed for automated winding, while keeping material cost below that of pure nickel.
If you want to know more about our steel wire products or Nickel-plated Steel Wire price please feel free to contact us, we will reply you within 24 hours.
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1.Low-carbon steel core:The core is the mechanical backbone of the wire. SWRM6 is a general-purpose low-carbon drawing grade with balanced tensile strength and ductility; DL05 is a cleaner, lower-resulfurized variant for ultra-fine diameters and tighter diameter tolerance.
2.Electroplated nickel layer:A pure nickel layer is deposited onto the cleaned and pickled steel surface by continuous electroplating. Coating thickness ranges from 1.0 µm to 30 µm, controlled by current density and line speed.
3.Post-plating temper:O is fully soft for tight bending; 1/2H and 3/4H suit springs and straight leads; H and T suit brush wire and stranded rope where high strength is required.
4.Surface finish options:Polished, grinded, brushed or black finishes are available per customer drawing.
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1.Controlled Electroplated Nickel Thickness
The nickel layer is deposited by continuous electroplating and held within ±10% of the requested thickness from the first meter to the last.
2.Strength and Flexibility of Mild Steel
The SWRM6 / DL05 low-carbon core delivers the requested tensile strength while remaining ductile enough to bend 180° without cracking at fine diameters.
3.Corrosion and Oxidation Resistance from Nickel
The sealed nickel barrier prevents rusting at cut ends and solder joints, even at the elevated temperatures inside lamps, transformers and capacitors.
4.Cost-Effective Alternative to Solid Nickel Wire
Only a thin nickel shell covers a steel core, so the wire costs a fraction of solid nickel wire of the same diameter.
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1. Lamp and Lighting Components
Suitable for lead wires and support wires in incandescent lamps, fluorescent tubes and neon signs, where the wire must withstand lamp-processing temperatures and maintain electrical contact through the sealed glass-to-metal joint.
2.Battery Contact Springs and Terminals
Used as the spring wire in battery contact plates for remote controls, toys and small household appliances. The nickel surface matches the nickel-plated battery can, reducing galvanic corrosion at the contact point.
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|
Diameter of Wire |
Thickness of Nickel Plating |
Application |
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0.40 - 0.60 |
2.0 - 4.0 |
For Lead-in-Wires |
|
0.70 - 0.90 |
2.0 - 3.0 |
For Lead-in-Wires |
|
0.80 - 2.50 |
1.0 - 3.0 |
For Lead-in-Wires |
|
0.80 - 1.50 |
8.0 - 12.0 |
For redraw |
|
Wire Type |
Tensile strength |
Elongation |
|
|
Min |
Max |
% at L0=100 mm |
|
|
Annealed (soft) |
300 |
480 |
≥ 15 |
|
As drawn |
700 |
1000 |
≤ 5 |
Standard Packaging
Each mono-filament and its winch are supplied on plates, then packed and delivered in boxes after proper packaging film. Small-size discs are fixed with custom foam; large-size plastic or iron discs are secured in custom wooden frames.
Spool and coil packaging:
Small spools (0.02–0.50 mm): plastic or metal spools, individually wrapped with PE film, packed in reinforced corrugated cartons.
Medium spools (0.50–3.00 mm): wooden or plastic spools, stacked on fumigation-free plywood pallets, stretch-film wrapped, PET-strapped, with corner boards.
Large coils (3.00–15.00 mm): coils wound evenly on a wire shaft, wire head fixed, outermost wire kept at a distance from the spool edge to prevent collision in transit; coils secured with steel strapping on wooden pallets.
Individual carton: approx. 35 × 35 × 25 cm, 10–25 kg.
Pallet load: up to 500 kg per pallet, depending on wire diameter and spool size.
Pallet dimensions: 120 × 100 cm or 110 × 110 cm, fumigation-free plywood or treated wood.
Shipping
We support FCL and LCL sea freight, air freight and express courier depending on order quantity and destination. Available trade terms include EXW, FOB and CIF; other Incoterms may be available upon request. Shipping costs are calculated based on cargo gross weight, spool dimensions, destination port and selected transportation method. Documentation provided includes commercial invoice, packing list, certificate of origin and bill of lading.
Lead Time
Samples: 7–10 working days for standard sizes
Standard orders (up to 5 tons): 20–30 working days after deposit
Custom diameter / temper / coating thickness orders: 30–45 working days after specification confirmation
Q: What information do you need for an accurate quotation?
A: Wire diameter (mm), temper (O / 1/2H / 3/4H / H / T), nickel coating thickness (μm), surface finish, quantity in kilograms, delivery form (spool / coil / cut length), and destination port. If you have a drawing or existing specification sheet, include it — we can match the grade and coating directly.
Q: What is the MOQ and production lead time?
A: MOQ is 500 kg per size for standard specifications. Standard orders up to 5 tons ship within 20–30 working days after deposit. Custom diameters, tempers or coating thicknesses take 30–45 working days after specification confirmation. We hold stock on common sizes (0.50 mm, 0.80 mm, 1.00 mm in 1/2H and H temper) for faster delivery — confirm availability at the time of enquiry.
Q: Can you supply wire with a specific nickel coating thickness?
A: Yes. We plate to customer-specified thickness between 1.0 μm and 30 μm. The coating is applied by electroplating on 4 dedicated nickel-plating lines, and thickness is verified by coulometric or X-ray fluorescence testing before shipment. If you need the coating to meet DIN EN 10244-5, specify the required mass of coating per unit area and we will include the test result in the inspection certificate.
Q: What is the difference between nickel-plated steel wire and solid nickel wire?
A: Nickel-plated steel wire uses a low-carbon steel core with a nickel surface layer, while solid nickel wire (e.g. Ni 200/201) is nickel through the full cross-section. The plated wire is stronger for the same diameter, costs substantially less, and is easier to draw to fine sizes. It is the standard choice for lamp lead wires, battery springs and capacitor leads. Solid nickel wire is selected when the application requires the full corrosion resistance, non-magnetic properties or high-temperature performance of pure nickel throughout the section, such as in certain chemical processing or high-purity electronic components.
Q: How should I store nickel-plated steel wire before use?
A: Keep spools and coils in the original packaging, in a dry indoor area with relative humidity below 60%. Avoid stacking spools horizontally under heavy load, and keep the wire ends secured. If the wire is stored for more than 6 months, inspect the spool surface for white rust before feeding into production. We can apply vapor corrosion inhibitor (VCI) film on request for long sea transit or extended storage.
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