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No6625 is a nickel-chromium-molybdenum alloy that has been specifically
designed to possess high strength, corrosion resistance, and
oxidation resistance. One of the key features of Inconel 625 is its
ability to withstand high temperatures and withstand long-term
creep under heavy loads.
No6625 has a microstructure that consists of a combination of
intermetallic phases and interdiffused metal phases. These
microstructural features contribute to the alloy's strength and
resistance to corrosion.
One of the key microstructural features of UNS N06625 is the
formation of phase precipitates. These precipitates are composed of
Ni3(Nb, Al, Ti) and have a tetragonal crystal structure. The γ”
phase precipitates are ordered A3 B type, meaning they have a
particular arrangement of atoms.
These γ” phase precipitates are coherent with respect to the
matrix, meaning they form a disk-shaped morphology and are stable
at high temperatures. However, there are also some γ” phase
precipitates that have a needle-like morphology and are not
coherent with the matrix.
The formation of these γ” phase precipitates is important for the
material's ability to recover creep properties. When subjected to
long-term creep under heavy loads, the γ” phase precipitates can
recover some of the alloy's strength and elongation, thereby
prolonging the material's lifetime.
Overall, the combination of the microstructure and γ” phase
precipitates of No6625 contribute to its exceptional
performance in high-temperature and high-load environments.
Pipe Seamless | Pipe Welded | Tube Seamless | Tube Welded | Sheet/Plate | Bar | Forging | Fitting | welding Wire |
---|---|---|---|---|---|---|---|---|
B444 | B705 | B444 | B704 | B443 | B446 | – | – | AWS 5.14:2018 |
No6625 W.Nr. 2.4856 ,UNS NO6625,Nickel Alloy 625,Inconel 625
Markets for No6625 include:
Product and technology applications of No6625 include: