ASTM B462 UNS N10276 flanges are part of a family of alloy materials commonly referred to as Hastelloy C276, which are known for their exceptional corrosion resistance in harsh environments. These alloy c276 flanges are widely used in the chemical, petrochemical, and oil and gas industries, as well as in the production of pharmaceuticals and plastics.
1. Material (UNS N10276):
Composition: UNS N10276 is a high-performance, corrosion-resistant nickel-molybdenum-chromium alloy with additions of tungsten and iron. This 2.4819 Hastelloy C276 flnages offers exceptional resistance to a wide range of corrosive environments, including reducing and oxidizing conditions.
Corrosion Resistance: The corrosion resistance of Hastelloy C-276 makes UNS N10276 Weld Neck Flange particularly suitable for applications in chemical processing, pollution control, pulp and paper production, and other industries where corrosive substances are present.
2. ASTM B462 Standard:
Flange Specifications: ASTM B462 is the standard specification for forged or rolled UNS N10276 flanges, forged fittings, and valves and parts for corrosive high-temperature service. This ASME SB 462 specification covers flanges in various sizes and pressure ratings, providing guidelines for manufacturing and testing.
Sizes Dimensions: ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
Pressure Classes: ASME SB 462 UNS N10276 flanges are available in different pressure classes, ranging from 150 to 2500, indicating the pressure ratings at which they can be safely used.
3. ASTM B462 UNS N10276 Flange Types:
ASTM B462 Weld Neck Flanges: These flanges are designed to be butt-welded to the pipe. They have a long neck that facilitates smooth transfer of stress between the flange and the pipe.
UNS N10276 Slip-On Flanges: These flanges slide over the pipe and are then welded in place. They are typically used in less critical applications.
Hastelloy c276 Blind Flanges: Used to close the end of a pipe, blind flanges do not have a bore and are used when the pipeline needs to be terminated.
2.4819 Socket Weld Flanges: These flanges have a socket for welding with the pipe. They are well-suited for smaller-sized high-pressure pipes.
Alloy c276 Threaded Flanges: Designed for threaded connections, these flanges are used in applications where welding is not preferable.
4. ASTM SB 462 UNS N10276 Applications:
ASTM B462 Hastelloy C276 flanges find applications in industries such as chemical processing, petrochemical, oil and gas, pharmaceuticals, and more, where resistance to corrosive environments is critical.
5. ASTM B462 UNS N10276 flanges suppliers
Hastelloy c276 UNS N10276 flanges are forged or rolled (including hot forging, cold forging, and machining) components made from the high-performance alloy UNS N10276 (Hastelloy C-276) raw material. These flanges adhere to ASTM B462 specifications, ensuring their suitability for use in corrosive high-temperature service.
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