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Home >>> N06625 Stock

  Ni & Ni-based Alloy Stock
UNS NO. Original Country Thickness Width Quantity
UNS N06625 Europe/U.S.A
0.08~0.6mm 10~360mm 6 Tons
UNS N06625 Europe/U.S.A
0.5~5mm 1000/1219mm 55 Tons
UNS N06625 Europe/U.S.A
4.75~30mm 1500/2000mm 24 Tons
We have the Plate/Sheet Stock as following.
If you have the requirement,please send me the inquiry.

Inconel 625 Stock, Alloy625 Stock,UNS N06625 Stock,2.4856 Stock
Alloy 625 (UNS N06625) is an austenitic nickel base superalloy possessing excellent resistance to oxidation and corrosion over a broad range of corrosive conditions, including jet engine environments and many other aerospace and chemical process applications. The alloy has outstanding strength and toughness at temperatures ranging from cryogenic temperature to 2000F (1093C). Alloy 625 also has exceptional fatigue resistance.
Alloy 625 derives its strength from the solid solution strengthening effects of molybdenum and columbium on the nickel-chromium matrix. These elements also contribute to the alloy's outstanding corrosion resistance. Although the alloy was developed for high temperature strength, its highly alloyed composition provides a high level of general corrosion resistance to a wide range of oxidizing and nonoxidizing environments. The levels of chromium and molybdenum provide excellent resistance to chloride ion pitting, and the high level of nickel provides resistance to chloride stress corrosion cracking.
The material possesses a high degree of formability and shows better weldability than many highly alloyed nickel-base alloys. The alloy is resistant to intergranular corrosion even in the welded condition.
Alloy 625 can be produced by vacuum induction melting or AOD refining. Consumable electrode remelting procedures may be used to further refine the material.

Chemical Analysis:
Typical Analysis (Weight %)
C Mn P S Si Cr Ni Mo Columbium + Ta Ti Al Fe
0.05 0.030 0.010 0.003 0.25 22.0 Balance 9.0 3.5 0.3 0.3 4.0

AMS........... 5599
ASTM.......... B 443
ASME.......... SB 443

Corrosion and Oxidation Resistanc:
The high level of chromium and molybdenum in Alloy 625 provides a high level of pitting and crevice corrosion resistance to chloride contaminated media, such as seawater, neutral salts, and brines.

Oxidation Resistance:
Alloy 625 has excellent oxidation and scaling resistance at temperatures up to 2000F (1093C). It is superior to many other high temperature alloys under cyclic heating and cooling conditions. The following graph compares the weight loss of several stainless steel alloys to Alloy 625 under cyclic oxidation at 1800F (982C).

Alloy 625 is capable of being formed like the standard austenitic stainless steels. The material is considerably stronger than conventional austenitic stainless steels and consequently requires higher loads to cause the material to deform. During cold working, the material work hardens more rapidly than austenitic stainless steels. The combination of high initial strength and work hardening rate may necessitate the need for intermediate anneals if the cold deformation is extensive.

Alloy 625 can be readily welded by conventional processes used for austenitic stainless steel, including fusion and resistance methods. The material should be in the mill annealed condition and thoroughly descaled and cleaned before welding. Preheating is not required and post-weld treatment is not needed to maintain or restore corrosion resistance.

Heat Treatment:
Alloy 625 is furnished with one heat treatment for optimum properties up to 1200F (649C) and another for optimum properties above 1200F (649C). The standard anneal at a minimum of 1600F (871C) is used for service temperatures up to 1200F (649C). When optimum high temperature creep and rupture properties are required, as for service above 1200F (649C), a solution anneal at 2000F (1093C) minimum is used. In the solution annealed condition, a subsequent stabilization anneal at 1800F (982C) minimum is sometimes specified to further increase resistance to sensitization.

Seawater applications
Aerospace components
Chemical processing equipment
Nuclear water reaction components

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