Hastelloy C276 is a nickel-molybdenum-chromium alloy that has superior corrosion resistance compared to other alloys. It is also highly resistant to pitting, crevice corrosion, stress corrosion cracking, and intergranular attack. This makes it an ideal material for many industries, such as chemical processing, pulp, paper production, and the aerospace industry. In this blog post, we’ll cover the basics of Hastelloy C276, including its machinability, hardness, magnetic properties, chemical resistance, and more.
Hastelloy C276 Machinability
Hastelloy C276 has excellent machinability properties due to its low carbon content. This allows it to be cut without much effort or heat buildup during the process. The alloy can be machined using high-speed steel tools or carbide tools on conventional machine tools with no difficulty.
Hastelloy C276 Hardness HRC
Hastelloy C276 has a hardness of 40 HRc, which makes it suitable for a variety of applications requiring high strength and wear resistance. It is also relatively easy to form and shape due to its good ductility.
Hastelloy C276 Magnetic Properties
Hastelloy C276 is non-magnetic, which means that it does not pick up magnetic fields from external sources. This property makes it ideal for use in applications where magnetic interference needs to be avoided, such as in medical equipment or aerospace components.
Hastelloy C276 Chemical Resistance
Hastelloy C276 is highly resistant to most acids, alkalis, salts, and other corrosive substances, making it an ideal choice for chemical processing operations such as refining crude oil or manufacturing pharmaceuticals. It is also resistant to oxidation at high temperatures up to 1250°C (2280°F).
Hastelloy C276 Yield Strength
Hastelloy C276 has a yield strength of 75 ksi (517 MPa), making it suitable for piping applications requiring a high level of strength and durability in extreme temperature environments.
Hastelloy C276 Pipe Specifications
The pipe specification ASTM B622 covers seamless pipes made from Hastelloy C276 with nominal wall thicknesses ranging from 0.188″ (4 mm) up to 1″ (25 mm).
Hastelloy C276 p-number
According to the ASME classification system, the alloy’s p-number is four, which indicates that it should be considered part of Group 4 alloys under ASME Code Section IX welding procedures qualification standards and pressure vessel regulations.
Hastelloy C276 Density
Hastelloy C276 has a density of 0.321 lb/in3, which makes it one of the lightest materials available for use in various engineering applications such as valves or pumps where weight needs to be kept low while still providing superior corrosion resistance capabilities.
Conclusion:
All in all, Hastelloy C276 is an excellent choice for applications requiring superior corrosion resistance combined with good mechanical properties such as strength, hardness, machinability, or ductility, depending on the application requirements. Its wide range of characteristics makes it suitable for use across multiple industries, including aerospace, chemical processing, pulp, and paper production. If you are looking for an alloy with excellent corrosion resistance capabilities, then look no further than Hastelloy C276!
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