1.4462

Material No. 1.4462
EN symbol (short)X2CrNiMoN22-5-3
AISI/SAE318 LN
UNSS 31803
AFNORZ 2 CND 22-05 Az
B.S.318 S 13
alloy
Registered work's label
StandardsVdTÜV 418, SEW 400/310

Description

The austenitic special steel 1.4462 shows good pitting corrosion resistance. Main areas of application (depending on the specific conditions of use) are the chemical industry, paper and cellulose production, food industry and sea water piping.
Our product range in 1.4462 are tubes and pipes, fittings and flanges, accessories.

Chemical composition ¹ 

C
≤ %
Si
≤ %
Mn
≤ %
P
≤ %
S
≤ %
Cr
%
Mo
%
Ni
%
V
 
0,03120,0350,01521,0-23,02,5-3,54,5-6,5 
Nb
 
Ti
 
Al
 
Co
 
Cu
 
N
%
Fe
 
  
     0,1-0,22   
¹  in accordance with Key to Steel 2001

Special characteristics

Temperature range:Density kg/dm³: Hardness HB 30
10°C – 280°C
Tends towards 475°C embrittlement
7,9≤ 270
Duplex steel with addition of Molybdenum
Good resistance against pitting corrosion and intergranular corrosion.

Welding filler

1.4462

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

chemical industry, petrochemical industry, offshore, sea water piping, sea water desalination plants, nuclear technology, paper and cellulose production
(all aforementioned specifications serve as a general orientation and have to be reviewed depending on the specific conditions of use)
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