Alloy 600

Definition - What does Alloy 600 mean?

Alloy 600 is a nickel-based metal alloy that is known for its resistance to heat and corrosion. In addition to nickel, it also has relatively high amounts of iron, cobalt and chromium.

Corrosionpedia explains Alloy 600

Alloy 600 is an extremely corrosion resistant material. The high amounts of nickel in Alloy 600 give it the ability to resist corrosion, and in particular, chloride stress corrosion. Alloy 600 also has high additions of chromium, which helps it resist oxidation. Alloy 600 is a popular material choice for applications in the chemical industry.

Alloy 600 is also able to resist heat exceptionally well. This makes Alloy 600 very popular in heat exchange and heat treatment applications, making it a popular choice in engine components, particularly those in the aerospace industry. It can withstand the temperatures found in cryogenic applications up to 2,000°F (1,093°C).

Alloy 600 is not a heat treatable or precipitation hardenable material, which is part of the reason why it performs so well in a variety of temperatures. The most practical way to increase the strength of Alloy 600 is through work hardening. Alloy 600 in its annealed condition has a yield strength from 25,000 to 50,000 psi. It is quite ductile as well, with percent elongations of 35 to 55.

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