2.4619

 

Material No. 2.4619
EN symbol (short) NiCr22Mo7Cu
AISI/SAE G-3
UNS N 06985
AFNOR
B.S.
alloy alloy G-3
Registered work's label Inconel® G-3, Nicrofer® 4823hMo, Hastelloy®alloy G-3
Standards

 

Description

Material 2.4619 (alloy G-3) is a chemically stable and high-temperature resistant alloy, which is well weldable and has a good stability against grain border corrosion in welded condition. Alloy 2.4619 (alloy G-3) is used in flue gas scrubbers, and with phosphoric and sulphuric acid.
Our product range in 2.4619 (alloy G-3) are tubes and pipes, fittings and flanges, accessories.

 

Chemical composition ¹ 

C
≤ %
Si
≤ %
Mn
≤ %
P
≤ %
S
≤ %
Cr
%
Mo
%
Ni
%
V
%
0,015 1,5 1,0 0,025 0,015 21,0-23,5 6,0-8,0 rest  
Nb ²
%
Ti
%
Al
%
Co
≤ %
Cu
%
N
%
Fe
%
Ce
%
W
≤ %
0,5     5,0 1,5-2,5   18,0-21,0   1,5
¹  in accordance with Key to Steel 2001   ² Nb+Ta

 

Special characteristics

Temperature range Density kg/dm³ Hardness
annealed typically up to 600° 8,14  

 

Welding filler

covered rod electrode 2.4621

 

Main fields of application (depending on the specific conditions of use)

flue gas scrubbers, chemical industry, phosphoric acid, sulphuric acid, acetic acid, petrochemical plants, production of fertilisers
(all aforementioned specifications serve as a general orientation and have to be reviewed depending on the specific conditions of use)

 

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