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1.4462

Brand name

SAF 2205®

Trade name

Alloy 2205, Duplex

Standards

Material No.
1.4462
EN Designation
X2CrNiMoN22-5-3
AISI/SAE
318 LN
UNS
S31803
Alloy
2205

Description

1.4462 / AISI 318 LN is a duplex austenitic-ferritic chromium-nickel-molybdenum stainless steel.

Special properties

1.4462 belongs to the DUPLEX-family. This grade has a good resistance against pitting and stress corrosion cracking. Unique combination of corrosion resistance, resistance to stress corrosion cracking , high tensile and yield strength.

Chemical Composition

C
%
≤ 0.030
Si
≤ %
1.00
Mn
≤ %
2.00
P
≤ %
0.035
S
≤ %
0.015
Cr
%
21.0-23.0
Mo
%
2.50-3.50
Ni
%
4.50-6.50
N
%
0.10-0.22

Mechanical Properties 20°C

Hardness HB 30
≤ HB
270
0.2% Yield strength Rp
≥ N/mm²
450
Tensile strength Rm
N/mm²
650-880
Elongation A5
≥ %
25
Modulus of elasticity
kN/mm²
200

Physical Properties 20°C

Density
g/cm³
7.8
Specific heat capacity
J/kg K
500
Thermal conductivity
W/m K
15
Electrical resistivity
Ω mm²/m
0.8

Suitable welding
filler materials

1.4462

Application

Chemical and petro-chemical industry, cellulose industry, seawater desalinization

Available forms for 1.4462 / AISI 318 LN

Sheets/Plates
Lieferform
Bars
Lieferform
Wire
Lieferform
Tubes/Pipes
Lieferform
Fittings
Lieferform
Forged / cast parts
Lieferform
Finished part (drawing)
Lieferform