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AISI 317 L / UNS S31700 / 1.4438
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Description
1.4438 / AISI 317 L is an austenitic chromium-nickel-molybdenum stainless steel.
Special propertiesBetter corrosion resistance than AISI 316L, specially in high-corrosive environments with chlorides and halides.
ApplicationCellulose industry,chemical industry.
Suitable welding filler materials1.4440; 1.4438
Standards
Material No :1.4438
EN Degisnation :X2CrNiMo18-15-4
AISI/SAE :317 L
UNS :S31700
Chemical Composition
C
%≤ 0.030 Si
≤ %1.00 Mn
≤ %2.00 P
≤ %0.045 S
≤ %0.015 Cr
%17.5 - 19.5 Mo
%3.00 - 4.00 Ni
%13.0 - 16.0 N
%≤ 0.11
%≤ 0.030 Si
≤ %1.00 Mn
≤ %2.00 P
≤ %0.045 S
≤ %0.015 Cr
%17.5 - 19.5 Mo
%3.00 - 4.00 Ni
%13.0 - 16.0 N
%≤ 0.11
Mechanical Properties 20°C
Hardness HB 30
≤ HB215 0.2% Yield Strength Rp
≥ N/mm²200 Tensile Strength
RmN/mm²500-700 Elongation A5
≥ %40/30 Modulus of Elasticity
kN/mm²200
≤ HB215 0.2% Yield Strength Rp
≥ N/mm²200 Tensile Strength
RmN/mm²500-700 Elongation A5
≥ %40/30 Modulus of Elasticity
kN/mm²200
Physical Properties 20°C
Density
g/cm³8 Specific Heat Capacity
J/kg K500 Thermal Conductivity
W/m K14 Electrical Resistivity
Ω mm²/m0.85
g/cm³8 Specific Heat Capacity
J/kg K500 Thermal Conductivity
W/m K14 Electrical Resistivity
Ω mm²/m0.85
