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AISI 318 LN / UNS S31803 / 1.4462
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Brand name
SAF 2205®
Trade nameAlloy 2205, Duplex
Description1.4462/ AISI 318 LN is a duplex austenitic-ferritic chromium-nickel-molybdenum stainless steel.
Special Properties1.4462 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.
ApplicationChemical and petro-chemical industry, cellulose industry, seawater desalinization.
Suitable welding filler materials1.4462
Standards
Material No :1.4462
EN Degisnation :X2CrNiMoN22-5-3
AISI/SAE :318 LN
UNS :S31803
Alloy :2205
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
%≤ 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
≤ HB270 0.2% Yield Strength Rp
≥ N/mm²450 Tensile Strength
RmN/mm²650-880 Elongation A5
≥ %25 Modulus of Elasticity
kN/mm²200
≤ HB270 0.2% Yield Strength Rp
≥ N/mm²450 Tensile Strength
RmN/mm²650-880 Elongation A5
≥ %25 Modulus of Elasticity
kN/mm²200
Physical Properties 20°C
Density
g/cm³7.8 Specific Heat Capacity
J/kg K500 Thermal Conductivity
W/m K15 Electrical Resistivity
Ω mm²/m0.8
g/cm³7.8 Specific Heat Capacity
J/kg K500 Thermal Conductivity
W/m K15 Electrical Resistivity
Ω mm²/m0.8
