Hastelloy C276 Flanges is a nickel-molybdenum-chromium superalloy known for its exceptional corrosion resistance in a wide range of aggressive environments. Hastelloy C276 flanges are an integral component in various industrial applications where corrosion resistance is critical. Here's a brief overview of Hastelloy C276 flanges:
Material Composition: Hastelloy C276 flanges are made from a solid solution of nickel-molybdenum-chromium alloy with additions of tungsten and slight amounts of iron and manganese. The alloy's unique composition provides excellent resistance to corrosive attacks, including pitting, crevice corrosion, and stress corrosion cracking.
Corrosion Resistance: One of the key features of Hastelloy C276 is its outstanding corrosion resistance in both reducing and oxidizing environments. It performs exceptionally well in environments containing chlorides, sulfuric acid, hydrochloric acid, acetic acid, and other aggressive chemicals. This makes Hastelloy C276 flanges suitable for applications in chemical processing, pollution control, pulp and paper production, and more.
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Temperature Resistance: Hastelloy C276 flanges maintain their mechanical properties and corrosion resistance over a wide range of temperatures. They can withstand elevated temperatures, making them suitable for applications involving hot corrosive gases and liquids.
Types of Flanges: Hastelloy C276 flanges are available in various types to meet specific application requirements. Common types include slip-on flanges, weld neck flanges, socket weld flanges, blind flanges, and lap joint flanges. The choice of flange type depends on factors such as the application, pressure, and temperature requirements.
Applications: Hastelloy C276 flanges find applications in industries such as chemical processing, petrochemicals, oil and gas, pharmaceuticals, and more. They are used in pipelines, pressure vessels, reactors, and other critical equipment where corrosion resistance is paramount.
Standards and Specifications: Hastelloy C276 flanges are manufactured in accordance with industry standards and specifications such as ASTM B564 and ASME SB564. These standards ensure the quality and reliability of the flanges for use in demanding environments.
ASTM B564 / ASME SB564, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
1/2" (15 NB) to 48" (1200NB)
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Forged / Threaded / Screwed / Plate
Plate Flange, Loose Plate Flange, Loose Plate With Weld Neck Flange, Blank Flange, Welding Neck Flange, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange.
All Flanges are marked as follows: Grade, Standard, Thickness, Heat No. (Or according to the customer’s request.)
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | OR | GOST |
| Hastelloy C276 | N10276 | 2.4819 | – | NiMo16Cr15W | NW 0276 | ЭП760 | ХН65МВУ |
| Hastelloy C276 | Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr |
| Balance | 0.01 max | 15 – 17 | 1.0 max | 0.08 max | 4 – 7 | 0.04 max | 0.03 max | 2.5 max | 14.5 – 16.5 |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 52,000 , MPa – 355 | Psi – 1,15,000 , MPa – 790 | 40 % |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
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