Inconel 625 VS Incoloy 825 alloy
Which material is similar to Inconel 625?
Like INCONEL 625 alloy, INCONEL 725 alloy is used in the marine industry. It is ideal for applications such as high-strength fasteners, which require increased strength without sacrificing resistance to corrosion, pitting or crevice corrosion.
What is the difference between Inconel 625 and Incoloy 825 alloy?
Inconel 625 is often used in sour gas service due to its good resistance to stress corrosion cracking and pitting, while incoloy 825 is often used in crude oil service due to its good corrosion resistance in sour environments.
What is the Inconel 625 ASME specification?
Inconel 625 alloy, numbered UNS N06625, has a nominal composition of 60Ni-22Cr-9Mo-3.5Cb.
What is the ASTM Standard for INCONEL 825?
ASTM B423 UNS N08825 Alloy 825 Welded Pipe and Cold Drawn Annealed Incoloy 825 Pipe Supplier. Incoloy 825 is one of the most effective alloy choices for harsh environments. It performs well in a variety of climates, especially in terms of general and localized corrosion, which makes Incoloy WERKSTOFF NR.
Comparison of Incoloy 825 and Incoloy 625
Inconel is a nickel-based high-temperature alloy. Inconel can be divided into different grades based on the nickel content in the alloy and considering many other parameters. Inconel 625 and Incoloy 825 are two different grades. The main difference between the two is that Inconel 625 has a higher nickel content than Incoloy 825.
Inconel Alloy 625 Chemical Composition
| Inconel | Element (% by mass) | ||||||||||||||
| Ni | Cr | Fe | Mo | Nb | Co | Mn | Cu | Al | Ti | Si | C | S | P | B | |
| 625 | 58.0 | 20.0–23.0 | 5.0 | 8.0–10.0 | 3.15–4.15 | 1.0 | 0.5 | 0.4 | 0.4 | 0.5 | 0.1 | 0.015 | 0.015 | ||
Alloy 625 Equivalent Material
| STANDARD | WERKSTOFF NR. | UNS | GOST | AFNOR | JIS | BS | EN | OR |
| Inconel 625 | 2.4856 | N06625 | ХН75МБТЮ | NC22DNB4M | NCF 625 | NA 21 | NiCr22Mo9Nb | ЭИ602 |
Inconel 625 Mechanical Properties
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation | |
| 625 | 8.4 g/cm3 | 1350 °C (2460 °F) | Psi – 135,000 , MPa – 930 | Psi – 75,000 , MPa – 517 | 42.5 % |
Incoloy 825 Material Composition
| Alloy | Ni | Cr | Fe | Mb | Ti | Cu | Mn | C | S | Al | Si |
| Incoloy 825 | 38.0 – 46.0 | 19.5 – 23.5 | 22.0 min | 2.5 – 3.5 | 0.6 – 1.2 | 1.5 – 3.0 | 1.0 max | 0.05 max | 0.03 max | 0.2 max | 0.5 max |
Alloy 825 Equivalent Material
| ALLOY | WERKSTOFF NR. | UNS | GOST | AFNOR | JIS | BS | EN | OR |
| Incoloy 825 | 2.4858 | N08825 | ЭП703 | NFE30C20DUM | NCF 825 | NA 16 | NiCr21Mo | XH38BT |
Alloy 825 Mechanical Properties, Density, Melting Point, and Tensile Strength
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.14 g/cm3 | 1400 °C (2550 °F) | Psi – 80,000 , MPa – 550 | Psi – 32,000 , MPa – 220 | 30 % |
Difference between Inconel 625 and Incoloy 825
| Inconel 625 | Incoloy 825 | |
| Defination | It is nickel based superalloy which contains a high amount of nickel than any other grade of Inconel | It is nickel based superalloy which contains a moderate amount of nickel as compared to any other grade of Inconel |
| Nickel Content | It contains about 58% of nickel | It contains about 36-48% of nickel |
| Tensile Strength | It has very high tensile strength and yield strength | It has comparatively low tensile strength and yield strength |
| Elongation | It's elongation is about 42.52% | It's elongation is about 30% |
