Thermal Spray Gun > Coating Wires
Alloy 625 Spray Wire 4.8 mm
| Wire type | Thermal spray wire |
|---|---|
| Diameter | Multiple sizes |
| Process | Arc / flame spray |
| Spool | Standard spools |
| MOQ | 1 spool |
| Availability | Confirmed on enquiry |
| Delivery | Domestic & export |
- Tested before dispatch
- Demo / site visit
- Installation support
- GST invoice
Sizes & Price
Compare diameter and spool — then get the best price.
| Diameter | Spool | Process | Best for | |
|---|---|---|---|---|
| 1.6 mm | 15 kg | Arc spray | General coating | |
| 2.0 mmPopular | 15 kg | Arc spray | Popular size | |
| 3.2 mm | 15 kg | Arc spray | Heavy build-up |
Specifications
Technical details for planning, quotation and supply.
| Product | Alloy 625 Spray Wire 4.8 mm |
|---|---|
| Alloy/Grade | Alloy 625 (NiCrMoNb) |
| Diameter | 4.8 mm |
| Spray Process | Arc Spray / Flame Spray |
| Pack Options | 15 kg Spool | 20 kg Spool | 25 kg Spool | Coil Pack |
| Melting Point | Needs confirmation |
| Availability | Confirm 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.