UNS N08825 DIN 2.4858 Nickelvac 825 Inconel 825 Nickel Alloy Fasteners
1.Inconel 825
Alloy 825 (UNS N08825/W.Nr. 2.4858) is anickel-iron-chromium alloy with additions ofmolybdenum, copper, and titanium. The alloy’schemical composition, given in Table 1, is designed toprovide exceptional resistance to many corrosiveenvironments. The nickel content is sufficient forresistance to chloride-ion stress-corrosion cracking. Thenickel, in conjunction with the molybdenum andcopper, also gives outstanding resistance to reducingenvironments such as those containing sulfuric andphosphoric acids. The molybdenum also aids resistanceto pitting and crevice corrosion. The alloy’s chromiumcontent confers resistance to a variety of oxidizingsubstances such as nitric acid, nitrates and oxidizingsalt. The titanium addition serves, with an appropriateheat treatment, to stabilize the alloy againstsensitization to intergranular corrosion.The resistance of INCOLOY alloy 825 to generaland localized corrosion under diverse conditions givesthe alloy broad usefulness. Applications includechemical processing, pollution control, oil and gasrecovery, acid production, pickling operations, nuclearfuel reprocessing, and handling of radioactive wastes.Applications for alloy 825 are similar to those forINCOLOY alloy 020.
2.Difference Between Inconel 625 and 825
Inconel 625 vs 825
Inconel 625
Inconel 625 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 | |
Inconel 625 Equivalent Grades
| 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 Melting Point, Density and Tensile Strength
| | 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 % |
Inconel 625 Price
| Inconel 625 Price | Origin | Price in INR | Price in USD | Price in Euro |
| Inconel 625 Price in India | Indian | Rs 3200/- Kg | $46 per kg | €39 per kg |
| Inconel 625 Price in Japan | Japanese | Rs 3500/- per kg | $51 per kg | €43 per kg |
| Inconel 625 Price in UK / Europe | European | Rs 3600/- per kg | $52 per kg | €44 per kg |
| Inconel 625 Price in USA | USA | Rs 3800/- per kg | $55 per kg | €47 per kg |
Inconel 825 / Incoloy 825
Incoloy 825 is designated as UNS N08825 and Werkstoff Number 2.4858. Alloy 825 also known as Incoloy 825, Inconel 825 & Nickel Alloy Pipe. It is similar to alloy 800 but has improved resistance to aqueous corrosion. Incoloy 825 is classed as a ‘C’ alloy, and is reasonably easy to machine. Incoloy 825 is readily weldable by the normal processes (GMAW (MIG), GTAW (TIG), SMAW (manual), SAW).
Inconel 825 Composition
| Grade | 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 |
Inconel 825 Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | GOST | AFNOR | JIS | BS | EN | OR |
| Incoloy 825 | 2.4858 | N08825 | ЭП703 | NFE30C20DUM | NCF 825 | NA 16 | NiCr21Mo | XH38BT |
Inconel 825 Melting Point, Density 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 % |
Inconel 825 Price
| Incoloy 825 Price | Origin | Price in INR
(per kg) | Price in USD
(per kg) | Price in Euro
(per kg) |
| Incoloy 825 Price in India | Indian | Rs 1400/- | $20 | €17 |
| Incoloy 825 Price in Japan | Japanese | Rs 1650/- | $25 | €21 |
| Incoloy 825 Price in UK / Europe | European | Rs 1760/- | $26 | €22 |
| Incoloy 825 Price in USA | USA | Rs 1800/- | $27 | €23 |
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UNS N08825 Nickel Alloy Fasteners DIN 2.4858 Inconel 825 Bolt Nut Washer Images
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