| Type: | Stainless Steel Sheets |
|---|---|
| Standard: | ASTM, AISI, GB, JIS, DIN, EN |
| Grade: | Customized |
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Hastelloy flanges are often utilized in chemical processing applications where acid chlorides, solvents, formic and acetic acids, acetic anhydride, wet chlorine gas, hypochlorites, chlorine solutions and phosphoric acid are used. For chemical processing applications.
Hastelloy Flanges Standard Specification
| Dimensions | ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Standards | ASTM, ASME Flanges, ANSI Flanges, DIN Flanges, EN Flanges, BS Flanges etc. |
| Specifications | ASTM B564 / ASME SB 564 |
| Size | 1 / 2" to 36″ |
| Class | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Grade | Hastelloy C276, C22, C4, C2000, B2, B3, X Flanges |
| Flange Face Type | Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
Hastelloy Flanges Chemical Composition
| Grade | Ni | C | Mn | Si | S | Co | Cr | Fe | Mo | P |
| C276 | 50.99 min* | 0.010 max | 1.00 max | 0.08 max | 0.03 max | 2.50 max | 14.50 - 16.50 | 4.00 - 7.00 | 15.00 - 17.00 | 0.04 max |
| C22 | 50.015 min* | 0.010 max | 0.50 max | 0.08 max | 0.02 max | 2.50 max | 20.00 - 22.50 | 2.00 - 6.00 | 12.50 - 14.50 | 0.02 max |
| B2 | Bal | 0.02 max | 1.0 max | 0.1 max | 0.03 max | 1.0 max | 1.0 max | 2.0 max | 26 - 30 | 0.04 max |
Mechanical properties of Hastelloy Pipe Flange
| Element | Tensile Strength | Yield Strength (0.2%Offset) | Density | Melting Point | Elongation |
| Hastelloy C276 | Psi - 1,15,000 , MPa - 790 | Psi - 52,000 , MPa - 355 | 8.89 g/cm3 | 1370 °C (2500 °F) | 0.4 |
| Hastelloy C22 | Psi - 1,00,000 , MPa - 690 | Psi - 45000 , MPa - 310 | 8.69 g/cm3 | 1399 °C (2550 °F) | 0.45 |
| Hastelloy B2 | Psi - 1,10,000 , MPa - 760 | Psi - 51000 , MPa - 350 | 9.2 g/cm3 | 1370 °C (2500 ºF ) | 0.4 |
Advantages of Hastelloy Pipe Flange
Exceptional corrosion resistance to a wide range of aggressive chemicals
High-temperature strength
Excellent mechanical properties
Suitability for various industries such as chemical processing, oil and gas, pharmaceuticals & power generation
Provide reliable and leak-free connections in corrosive environments, ensuring the integrity and safety of the piping system
Slip-on Flange/Weld Neck Flange/Threaded Flange/Lap Joint Flange/Socket Weld Flange/Blind Flange/Long Weld Neck Flange
Applications of Hastelloy Pipe Flange
Hastelloy flanges are used in a wide range of industrial applications, including chemical processing, oil and gas, pharmaceuticals, and power generation. They are commonly used in pipelines, valves, pumps, heat exchangers, and other equipment.
Also known as a screwed flange, this style has a thread inside the flange bore which fits with the matching male thread on the pipe or fitting. The threaded connection means you can avoid welding in many use cases. Simply match the threading to the pipes you wish to connect.
Featuring a two-piece design, lap joint flanges require butt welding of the stub end to the pipe or fitting with the use of a backing flange to create the flanged connection. This design makes this style popular for use in systems with limited physical space or systems which require frequent dismantling and maintenance.
Slip-on flanges are very common and are available in a large range of sizes to accommodate systems with higher flow rates and throughput. Simply match the flange to the outer diameter of the pipe you intend to connect. Installation is slightly more technical as you'll need fillet weld both sides to secure the flange to the pipe.
Like lap joint flanges, weld neck flanges require butt welding for installation. However, their integrity, performance in systems with multiple repeat bends, and the ability to use them in high-pressure and high-temperature systems make them a leading choice for process piping.
Used for terminating or isolating piping systems, blind flanges are essentially boltable blank discs. When installed properly and combined with the correct gaskets, they can achieve an outstanding seal which is easy to remove when needed.
The flange types listed above are the most common. However, there is a range of additional specialized flange types available to suit a range of uses and environments. Other options include nipoflanges, weldoflanges, expanding flanges, orifice, long weld neck and reducing flanges.
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