Introduction to Inconel625 Alloy
It is a high-performance product
This alloy is known for its strength, resistance to temperature and resistance to corrosion. Superalloys are mainly made of nickel (min. 58%, followed closely by chromium (min.
Inconel 625 Alloy Composition
|Nickel (Ni).||58.0 minutes||(Si Silicon)||Max 0.50|
|(Cr.) Chromium||20.0 – 23.0||(C) Carbon||Maximal 0.40|
|(Fe Iron)||Maximum of 5.0||(Ti) Titanium||Maximal 0.40|
|(Mo.) Molybdenum||8.0 to 10.0||(Al.) Aluminum||Max 0.10|
|(Nb+Ta) Niobium+Tantalum||3.15 to 4.15||(Phosphorus)||Max. 0.015|
|(Co) Cobalt*||Maximum of 1.0||(Sulfur||Max. 0.015|
|(Mn) Manganese||Max 0.50|
Inconel 625 Alloy Properties
Special material strength
Inconel 625 has a strength that is due not only to the NiCr matrix but also the hardening mechanism for niobium or molybdenum. The alloy matrix is strengthened through the interaction between niobium, molybdenum, and offers high strength without precipitation. The alloy has a yield strength of 690 MPa and a tensile resistance of 275 MPa.
High temperature resistance
The Inconel 625 has an approximate melting point of 1300degC, and a thermal extension coefficient of 1.28×10-5/K (at 20degC). This makes it resistant to extreme temperatures from very low to very high.
Inconel 625 is formed naturally by a protective layer when it is treated with an oxidizer at high temperatures. The titanium and the niobium elements of the oxide film on Inconel 625 are dramatically increased in presence of the oxidizer.
The corrosion resistance
Inconel 625 is extremely resistant to corrosive substances due to the unique combination it contains. This is why the superalloy performs well in salty seawater, even in milder conditions such as freshwater or standard atmospheric conditions.
Nickel-chromium’s nickel-chromium substrate protects Inconel 625 from oxidants. The material is also protected from pitting by molybdenum. 15% sulfuric acid has a min. Material corrosion occurs at 0.188 mm per annum in 15% sulfuric acid.
High production capability
Inconel 625 was developed to be more weldable than other alloys. There are no signs of cracking after welding, and it is resistant to heat and strain. This superalloy is excellent for welding pipe, piping and other equipment.
|Inconel 625 Alloy Powder Properties|
|Other Names||INCO 625|
|Melting Point||1290-1350 degC|
Inconel 625 Alloy Application
Inconel 625, a material that can be used in steam pipes, was developed in 1960. To make it more resistant to creep and easier to weld, some modifications were made to the original composition. Inconel 625 has been used in many industries including the chemical processing industry as well as Marine and Nuclear applications for manufacturing pumps and valves as well as other high-pressure equipment.
Inconel alloy 625 has remarkable resistance to corrosion and oxidation. It can withstand extreme stresses in water and at a wide temperature range. It also resists corrosion when exposed to high acidic environments.
Alloy 625 has many applications in various industries such as automotive, marine and aerospace, oil and gaz, chemical processing, nuclear and other. Heat exchangers, bellows and expansion joints are some of the most common applications.
Inconel 625 Alloy Powder Price
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