Inconel 825 Flanges
Inconel 825 Flanges for Corrosive Environments
Inconel 825 flanges are components made from the nickel based alloy Inconel 825. These flanges are designed to connect pipes, valves, or other equipment in various industrial applications, especially those requiring resistance to corrosion and high temperatures. Inconel 825 is known for its excellent corrosion resistance in both reducing and oxidizing environments, making it suitable for use in industries such as chemical processing, oil and gas, and marine applications. 825 flanges are available in various sizes, pressure ratings, and configurations to suit different project requirements.
Inconel 825 flange finds extensive applications across a range of industries due to its exceptional corrosion resistance and high temperature strength. Primarily used in environments where resistance to both acidic and alkaline solutions is crucial, these flanges are commonly employed in chemical processing plants for connecting pipelines, reactors, and vessels handling corrosive chemicals such as sulfuric acid, phosphoric acid, and chloride solutions.
825 flanges are utilized in offshore platforms, refineries, and pipelines, where they withstand the corrosive effects of seawater, hydrogen sulfide, and sour gas environments. Additionally, they are employed in marine applications, desalination plants, and pollution control systems, where their resistance to corrosion and erosion in harsh environments ensures long-term reliability and performance.
Innovative Solutions Inconel 825 Flanges for Resistance to Corrosion
The benefits of Inconel 825 flanges stem from the exceptional properties of the alloy itself. Inconel 825 offers remarkable resistance to corrosion in a wide range of aggressive environments, including both oxidizing and reducing conditions. This corrosion resistance extends to various acids, alkalis, and chloride solutions, making it an ideal choice for critical applications in chemical processing, oil and gas, and marine industries.
Inconel 825 exhibits excellent mechanical properties at elevated temperatures, ensuring the integrity and longevity of the flanges even under challenging operating conditions. Furthermore, its resistance to stress-corrosion cracking and pitting corrosion enhances the reliability and safety of equipment connected with these flanges.
Standard specification of Incoloy 825 Flanges
| ASME B16.5 Nickel Alloy 825 Flange Sizes | 1/2″ to 48″15 NB to 1200NBDN10~DN5000Custom as per drawing Equal and Reducing Configurations |
| Manufacturing Standard of Incoloy 825 Flanges | BS4504, JISB2220, DIN, API7S-43, AWWA, EN-1092, GOST12820, B2220, ISO70051, KS NFE29203, DIN, BS10, UNI2276, ANSI, BS1560-3.1, JIS GOST, SABS1123, B1503, API605, EN, ASME B16.36, ASME B16.48, API7S-15, MSS SP44, ASME B16.5, ASME B16.47 Series A/B, BS |
| Pressure Class of Incoloy 825 Flanges | 600LBS, 900LBS, 300LBS, 1500LBS, 150LBS, 2500LBS |
| ASTM B564 UNS N08825 Flange Pressure Calculation in DIN/ UNI/ EN | 25Bar, 10Bar, 16Bar, 40Bar, 6Bar |
| JIS | 5K, 20K, 63K, 16K, 30K, 40K, 10K |
| PN | PN40, PN16, PN6, PN10, PN25, PN64 |
| Manufacturing types | Plate, Casting, Forged, Threaded, Screwed, Heat-treated, machined |
| Test Certificates provided by Incoloy 825 Flanges manufacturers in India | 100% Radiography Test ReportEN 10204/3.1B MTC EN 10204 3.1 / EN 10204 3.2Raw Materials CertificateNACE MR0103NACE MR0175Third Party Inspection Report as per client request |
| Incoloy Alloy 825 Flange Face and Connect Types | Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Groove, Large Tongue & Groove, Flat Face (FF), Large Male-Female (LMF), Raised Face (RF), Ring Type Joint (RTJ) |
Nickel Alloy 825 DN Flange Dimensions and Sizes
| Incoloy 825 Flanges Dimensions ‘DN’ (Nominal Diameter) in mm | |||
|---|---|---|---|
| INCH | DN | INCH | DN |
| 1/2 | 15 | 12 | 300 |
| 3/4 | 20 | 14 | 350 |
| 1 | 25 | 15 | 375 |
| 1 1/4 | 32 | 16 | 400 |
| 1 1/2 | 40 | 18 | 450 |
| 2 | 50 | 20 | 500 |
| 2 1/2 | 65 | 24 | 600 |
| 3 | 80 | 28 | 700 |
| 4 | 100 | 30 | 750 |
| 5 | 125 | 32 | 800 |
| 8 | 200 | 36 | 900 |
| 10 | 250 | ||
Incoloy Alloy 825 Flange Type Codes
| 101 | Nickel Alloy 825 Plate flange for welding |
| 102 | Incoloy 825 Loose plate flange with weld on plate collar |
| 104 | ASTM B564 UNS N08825 Loose plate flange with weld-nut collar |
| 105 | Incoloy Alloy 825 Blank flange |
| 111 | Nickel Alloy 825 Weld neck flange |
| 112 | Incoloy 825 Hubbed slip-on flange for welding |
| 113 | ASTM B564 UNS N08825 Hubbed threaded flange |
| 121 | Incoloy Alloy 825 Integral flange |
Chemical Compatibility Chart of Alloy 825 Flanges
| Incoloy | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 825 | 8.14 g/cm3 | 1400 °C (2550 °F) | Psi – 80,000 , MPa – 550 | Psi – 32,000 , MPa – 220 | 30 % |
Incoloy 825 Flanges Mechanical Properties
| Nickel Alloy | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| 825 | 0.05 max | 1.00 max | 0.5 max | 0.03 max | 1.50 – 3.00 | 22.00 min | 38.00 – 46.00 | 19.50 – 23.50 | 0.02 max | 0.06 – 1.20 |
Material Equivalent for ASTM B564 UNS N08825
| GRADE | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| Incoloy 825 | 2.4858 | N08825 | NCF 825 | NA 16 | ЭП703 | NFE30C20DUM | NiCr21Mo | XH38BT |