Thermal Spray Gun > Coating Wires

Alloy 625 Spray Wire 4.8 mm

4.6(38 reviews)Verified Supplier
Get Latest Price / UnitPrice on requestMOQ: 1 spool
Wire typeThermal spray wire
DiameterMultiple sizes
ProcessArc / flame spray
SpoolStandard spools
MOQ1 spool
AvailabilityConfirmed on enquiry
DeliveryDomestic & export
  • Tested before dispatch
  • Demo / site visit
  • Installation support
  • GST invoice
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Quality testedChecked before dispatch
Quote in 24 hrsPrice, stock, delivery
Demo / site visitSee it before you buy
Service & sparesSupport after install

Sizes & Price

Compare diameter and spool — then get the best price.

DiameterSpoolProcessBest for
1.6 mm 15 kg Arc spray General coating
3.2 mm 15 kg Arc spray Heavy build-up

Specifications

Technical details for planning, quotation and supply.

ProductAlloy 625 Spray Wire 4.8 mm
Alloy/GradeAlloy 625 (NiCrMoNb)
Diameter4.8 mm
Spray ProcessArc Spray / Flame Spray
Pack Options15 kg Spool | 20 kg Spool | 25 kg Spool | Coil Pack
Melting PointNeeds confirmation
AvailabilityConfirm on enquiry

Product description

Details buyers use to confirm grade, use and supply.

Alloy 625 Coating Wire: Corrosion Protection for Demanding Environments

Alloy 625 (also referred to by the trademark Inconel 625) is a solid-solution strengthened nickel-based superalloy. The addition of molybdenum and niobium provides high strength and exceptional resistance to a wide range of severely corrosive environments, including seawater, acids, and high-temperature flue gases. When applied via thermal spray, this wire creates a protective barrier that extends the service life of components exposed to pitting, crevice corrosion, and stress-corrosion cracking.

The 4.8 mm diameter is specifically suited for high-energy arc spray systems where a stable, consistent feed is required to achieve a uniform coating profile. This wire is commonly used to protect boiler tubes, valves, pump shafts, and marine components. The coating's performance is directly linked to the wire's consistent chemistry and clean surface finish, ensuring stable arc behavior and minimal spatter during spraying.

Selecting the Right Spray Process for Alloy 625 Wire

While this wire is compatible with both arc spray and flame spray, process selection depends on the application's performance requirements and job site conditions. Twin-wire electric arc spray is the most common method for applying Alloy 625, as it delivers high bond strength and deposition rates, making it cost-effective for large-area protection and heavy build-ups. Combustion flame spray is an alternative for smaller, more precise jobs or where portability is key, though it typically yields lower bond strength than arc spray.

To achieve optimal coating density and adhesion, the substrate must be properly prepared with a clean, angular profile, typically achieved through grit blasting. Our team can provide guidance on pairing this wire with the correct spray parameters and surface preparation standards for your specific project.

About SPA2Z — Your Source for Alloy 625 Spray Wire

SPA2Z supports industrial maintenance and manufacturing teams with a focused supply of thermal spray consumables, including Alloy 625 Spray Wire. We understand that coating performance starts with consistent, high-quality wire, and we help buyers secure the right grade and diameter for their specific spray equipment and application.

Whether you need a single spool for a trial or a bulk order for a major corrosion protection project, we provide a straightforward enquiry process to confirm the exact wire specification, pack type, and availability. Our goal is to simplify your procurement of thermal spray wires so you can focus on the job at hand.

  • Confirm wire grade, diameter, and pack size with your enquiry.
  • Receive a competitive quotation for your required quantity.
  • Get practical support on wire compatibility with your spray system.

Applications

Where this coating wire is commonly used.

Corrosion Protection

Applied as a barrier coating on steel components in chemical plants, marine environments, and offshore platforms to prevent pitting and crevice corrosion.

Dimensional Restoration

Used to rebuild worn shafts, bearing journals, and seal areas on pumps and rotating equipment, restoring them to original dimensions with a corrosion-resistant surface.

High-Temperature Shielding

Protects boiler tubes, furnace parts, and gas turbine components from oxidation and scaling at elevated service temperatures.

Weld Overlay Alternative

Provides a cost-effective thermal spray alternative to weld overlaying for large surface areas requiring Alloy 625 chemistry without the heat input of welding.

FAQ

Which wire diameter should I choose?
It depends on your spray gun and the job. Common diameters are 1.6 mm, 2.0 mm, 2.5 mm and 3.2 mm. Confirm the tip size on your gun, or send a photo of your old spool.
Will this wire work with my arc or flame spray gun?
Our coating wires are made for arc spray and flame spray systems. Confirm the diameter your gun and contact tips are set for.
Do you supply spool or bulk quantities?
Yes. Order a single spool or bulk. Choose Kg, Spool or Coil and enter the quantity in the quote form.
How do I get the price and delivery time for wire?
Choose diameter and quantity, then share your location. We reply within 24 hours with price and delivery time.
Need a price? Ask us here.