ASTM B446 Inconel 625 wire is engineered for industries that demand outstanding corrosion resistance, high strength, and durability in extreme environments. At DLX, we provide Inconel 625 wire optimized for aerospace, offshore platforms, chemical processing plants, and energy systems, delivering reliable performance where failure is not an option.
Inconel 625 is a nickel-chromium-molybdenum-niobium alloy. Nickel provides the base corrosion resistance and high-temperature stability, chromium enhances oxidation resistance, molybdenum improves pitting and crevice corrosion resistance, and niobium stabilizes the alloy under thermal and chemical stress. Together, these elements give Inconel 625 wire its remarkable combination of strength, corrosion resistance, and longevity.
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In the offshore and marine industry, Inconel 625 wire is used for fasteners, structural components, and seawater piping due to its excellent resistance to chloride-induced corrosion. Offshore platforms, desalination plants, and marine vessels rely on the alloy for longevity and reduced maintenance cycles.
For chemical processing, the wire performs reliably in aggressive environments, including acids, alkalis, and mixed chemical solutions. It is used in pumps, valves, heat exchangers, and critical piping systems. Its resistance to thermal cycling and chemical degradation minimizes downtime and maintenance costs, making operations more efficient.
In aerospace and energy, the wire is employed in high-temperature components such as turbine engine parts, high-pressure fasteners, and heat exchangers. The combination of tensile strength and oxidation resistance ensures reliable operation in environments exceeding 1,000°C, critical for safety and performance.
|
Item |
Inconel 600 |
Inconel 625 |
Inconel X750 |
Inconel 825 |
||||
|
C |
≤0.15 |
≤0.1 |
0.05-0.15 |
≤0.08 |
≤0.05 |
≤0.08 |
≤0.08 |
≤0.05 |
|
Mn |
≤1 |
≤1.5 |
≤0.5 |
≤0.35 |
≤0.5 |
≤0.35 |
≤1 |
≤1 |
|
Fe |
6-10 |
rest |
≤3 |
rest |
7-11 |
rest |
5-9 |
≥22 |
|
P |
≤0.015 |
≤0.02 |
≤0.015 |
-- |
-- |
-- |
-- |
-- |
|
S |
≤0.015 |
≤0.015 |
≤0.015 |
≤0.015 |
≤0.015 |
≤0.01 |
≤0.01 |
≤0.03 |
|
Si |
≤0.5 |
≤0.5 |
≤0.5 |
≤0.35 |
≤0.5 |
≤0.35 |
≤0.5 |
≤0.5 |
|
Cu |
≤0.5 |
≤1 |
-- |
≤0.3 |
≤0.5 |
≤0.3 |
≤0.5 |
1.5-3 |
|
Ni |
≥72 |
58-63 |
≥44.5 |
50-55 |
≥58 |
50-55 |
≥70 |
38-46 |
|
Co |
-- |
-- |
10-15 |
≤10 |
-- |
≤1 |
≤1 |
-- |
|
Al |
-- |
1-1.7 |
0.8-1.5 |
≤0.8 |
-- |
0.2-0.8 |
0.4-1 |
≤0.2 |
|
Ti |
-- |
-- |
≤0.6 |
≤1.15 |
-- |
-- |
2.25-2.75 |
0.6-1.2 |
|
Cr |
14-17 |
21-25 |
20-24 |
17-21 |
27-31 |
17-21 |
14-17 |
19.5-23.5 |
|
Nb+Ta |
-- |
-- |
-- |
4.75-5.5 |
-- |
4.75-5.5 |
0.7-1.2 |
-- |
|
Mo |
-- |
-- |
8-10 |
2.8-3.3 |
-- |
2.8-3.3 |
-- |
2.5-3.5 |
|
B |
-- |
-- |
≤0.006 |
-- |
-- |
-- |
-- |
-- |
|
Shape |
Size (mm) |
|
Wire |
0.02-7.50 |
|
Rod/Bar |
8.0-200 |
|
Strip |
(0.5-2.5)*(5-180) |
|
Tube/Pipe |
Customized |
|
Sheet/Plate |
Customized |
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DLX provides high-performance Inconel 625 wire with multiple advantages:
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Strict Quality Control – Every batch is tested for chemical composition, tensile strength, and elongation to meet ASTM B446 standards.
-
Custom Sizes and Forms – Coils, straight lengths, and cut-to-size options with a range of diameters to meet specific project needs.
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Long-Term Durability – Advanced manufacturing enhances corrosion resistance, mechanical strength, and thermal stability, reducing replacement frequency.
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Reliable Supply – Adequate inventory and efficient logistics ensure timely delivery, keeping projects on schedule.
Industry Trends and Insights
The market for corrosion-resistant alloys continues to grow as offshore operations expand and chemical processing demands rise. There is also increasing adoption of high-performance materials in energy and aerospace industries. Alloys like Inconel 625 are essential for achieving longer service life, lower maintenance, and higher operational efficiency. DLX stays ahead with precise manufacturing, rigorous testing, and supply chain reliability.
ASTM B446 Inconel 625 Wire – Technical Comparison Table
| Property | Value/Range | Notes |
|---|---|---|
| Standard | ASTM B446 / AMS 5662 | Standard for corrosion-resistant nickel alloys |
| Composition | Ni 58%, Cr 21%, Mo 9%, Nb 3.5%, Fe 5% | Typical alloy composition |
| Density | 8.44 g/cm³ | |
| Melting Point | 1,290 – 1,350°C | High thermal stability |
| Tensile Strength | 690 – 965 MPa | Maintains strength at elevated temperatures |
| Elongation | 30 – 50% | Excellent ductility |
| Service Temperature | Up to 1,000°C | Oxidation and corrosion resistant |
| Form | Wire, coil, straight | Diameter 0.1 – 12 mm |
| Corrosion Resistance | Excellent | Highly resistant to seawater, chemical solutions, and oxidizing atmospheres |
| Welding | TIG, MIG, Resistance | Excellent weldability for demanding applications |
Inconel 625 wire supports TIG, MIG, and resistance welding. It can be drawn, bent, or formed to precise shapes without losing strength or corrosion resistance. Proper handling and storage are essential to preserve the alloy’s performance. DLX provides technical guidance to ensure optimal fabrication and long-term use.
Comparative Performance
Compared to standard nickel alloys and stainless steels, Inconel 625 wire offers superior tensile strength, oxidation resistance, and corrosion resistance in marine, chemical, and high-temperature environments. DLX guarantees that every wire meets or exceeds ASTM B446 specifications, ensuring clients receive consistent and reliable material for critical applications.
DLX clients in offshore engineering, chemical plants, and aerospace sectors report significant operational benefits using Inconel 625 wire. They experience longer service life, fewer maintenance interruptions, and reliable performance under extreme conditions. DLX also provides alloy selection guidance, helping clients match wire to specific chemical, thermal, and mechanical environments.
Demand for high-performance corrosion-resistant alloys will continue to increase due to offshore expansion, chemical industry growth, and energy sector requirements. DLX is positioned to meet this demand with advanced production, quality assurance, and technical support, delivering materials that perform reliably under the toughest conditions.
ASTM B446 Inconel 625 wire is a high-strength, corrosion-resistant alloy essential for aerospace, offshore, chemical processing, and energy applications. DLX provides precision-manufactured wire that excels in durability, high-temperature performance, and corrosion resistance. From offshore platforms to chemical plants and turbine systems, our Inconel 625 wire delivers the reliability, longevity, and efficiency that modern industries demand.
About Us:
Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.
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We support all kinds of testing:
1. What is ASTM B446 Inconel 625 wire?
It’s a nickel-chromium-molybdenum-niobium alloy wire designed for superior corrosion resistance, high tensile strength, and excellent performance in harsh environments. Ideal for aerospace, offshore, and energy applications.
2. Which industries use this wire?
Common industries include aerospace, offshore oil and gas, chemical processing, power generation, and industrial energy systems.
3. What are the key material properties?
The wire offers exceptional tensile strength, outstanding oxidation and corrosion resistance, and maintains mechanical integrity under high temperatures and aggressive chemical environments.
4. What sizes and forms are available?
DLX provides Inconel 625 wire in coils, straight lengths, and cut-to-size pieces. Typical diameters range from 0.1 mm to 12 mm.
5. Can the wire be welded or fabricated?
Yes. It supports TIG, MIG, and resistance welding, and can be drawn, bent, or formed to meet specific engineering requirements.
6. How does Inconel 625 compare to other alloys?
It outperforms standard nickel alloys and stainless steels in corrosion resistance, high-temperature strength, and long-term durability, particularly in marine and chemical environments.
7. What are typical applications?
Applications include offshore platforms, heat exchangers, chemical process equipment, aerospace components, pumps, valves, and high-temperature fasteners.
8. How should it be stored and handled?
Store in a clean, dry environment, avoiding contamination and sharp bends. Proper handling ensures the wire maintains its high-strength and corrosion-resistant properties.