Inconel 625/UNS N06625/W.Nr. 2.4856
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Description

Inconel 625 has a high level of pitting and crevice corrosion resistance to chloride contaminated media, such as sea water, neutral salts and brines. Alloy 625 is used in chemical processing, aerospace and marine engineering oil & gas, pollution control equipment and nuclear reactors.


Inconel 625 Specifications

Grade

UNS

W.Nr

Alloy 625

N06625

2.4856


Available Shapes: Bar,Rod,Pipe,Wire,Strip,Plate,Sheet,Spring,Fittings

Form ASTM
Rod and bar B 446
Plate, sheet and strip B 443, B 906
Seamless pipe and tube B 444, B 829
Welded pipe B 705, B 775
Welded tube B 704, B 751
Welding fitting B 366
Billet and bar for reforging B 472
Forging B 564


Chemical composition

% Ni Cr Mo Fe C Mn Si P S Co Nb+Ta Al Ti
min 58.0 20.0 8.0 3.15
max 23.0 10.0 5.0 0.10 0.50 0.50 0.015 0.015 1.00 4.15 0.40 0.40


Physical properties

Density 8.44 g/cm3
Melting range 1290-1350℃


Features:Inconel 625 has excellent strength at temperatures up to 816℃. At higher temperatures, its strength is generally lower than that of other solid solution strengthened alloys. Inconel 625 has good oxidation resistance at temperatures up to 980℃ and shows good resistance to aqueous corrosion, but is relatively moderate compared to other more capable corrosion resistant alloys.


Applications:Chemical process industry and sea water application. Inconel 625 is used in short term applications at temperatures up to 816℃. For long term service, it is best restricted to a maximum of 593℃, because long term exposure above 593℃ will result in significant embrittlement.



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