Good Weldability Nickel Alloy Rod 625 UNS N06625 Customized Dimensions
Product Specifications
| Name |
Nickel Alloy 625 UNS N06625 |
| Alternative Names |
Alloy 625, UNS N06625, 2.4856, NiCr22Mo9Nb, NC22DNB, NA21, NCF 625 |
| Heat Treatment |
On demand |
| Dimensions |
Customized |
| Corrosion Resistance |
Excellent |
| Chemical Composition |
Ni, Cr, Mo, Fe, Al, Nb, C, etc. |
| Product Type |
Nickel-based high-temperature alloys |
| Transport Package |
Export standard packaging |
| Product Forms |
Bars, plates, tubes, etc. |
| Weldability |
Good |
Nickel-Based Alloy 625 Overview
Chemical Composition
| Alloy |
% |
Ni |
Cr |
Mo |
Nb |
Fe |
Al |
Ti |
C |
Mn |
Si |
Co |
P |
S |
| Inconel 625 |
Maximum |
Margin |
20 |
8 |
3.15 |
- |
- |
- |
- |
- |
- |
- |
- |
| Inconel 625 |
Minimum |
23 |
10 |
4.15 |
5 |
0.4 |
0.4 |
0.1 |
0.5 |
0.5 |
1 |
0.015 |
0.015 |
Physical Properties
| Density |
8.4g/cm³ |
| Melting Point |
1290-1350℃ |
Mechanical Properties at Room Temperature
| Alloy State |
Tensile Strength Rm N/mm² |
Yield Strength RP0.2 N/mm² |
Elongation A5 % |
Brinell Hardness HB |
| Solid Solution |
760 |
345 |
30 |
≤220 |
Key Features
- Excellent corrosion resistance: Superior performance in acidic, alkaline and oxidizing environments, particularly in high chloride conditions.
- Outstanding high temperature resistance: Stable operation up to approximately 1100°C with excellent oxidation and creep resistance.
- Superior mechanical properties: High strength, good plasticity and fatigue resistance, ideal for dynamic load and high stress applications.
- Versatile applications: Commonly used in valves, pumps, pipes, heat exchangers, chemical reactors, and high-demand aerospace, petrochemical, and marine equipment.
- Adaptable processing: Suitable for both hot and cold processing methods, enabling complex shape manufacturing.
Application Areas
- Aerospace: Turbojet engine components, gas turbines, and combustor parts.
- Petrochemical: Petroleum refining equipment, chemical reactors, and piping systems.
- Marine Engineering: Seawater treatment equipment, deep-sea detectors, and offshore platform structures.
- Nuclear Industry: Nuclear reactor components and nuclear waste treatment equipment.
Corrosion Resistance Properties
Alloy 625 demonstrates exceptional corrosion resistance in numerous media. It provides excellent protection against pitting, crevice corrosion, intergranular corrosion, and erosion in chloride environments. The alloy resists inorganic acids including nitric, phosphoric, sulfuric, and hydrochloric acids, while maintaining resistance to alkali and organic acids in both oxidizing and reducing conditions. It effectively prevents chloride ion stress corrosion cracking and shows minimal corrosion in seawater and industrial gas environments, even at elevated temperatures. The material exhibits no welding sensitivity and resists carbonization and oxidation in static or cyclic conditions, including protection against chlorine-containing gas corrosion.
Nickel-based alloy 625 is a versatile, high-performance material whose exceptional physical and chemical properties make it a preferred choice for demanding applications, ensuring reliable performance and long-term durability in extreme environments.
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