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AISI 347H / UNS S34709 / 1.4961
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Description
AISI 347 H / 1.4961 is an austenitic chromium-nickel stainless steel with titanium addition.
Special propertiesGood resistance to intergranular corrotion.Very good resistance to higher temperature.
ApplicationComponents for termal power plant
Standards
Material No :1.4961
EN Degisnation :X8CrNiNb16-13
AISI/SAE :347H
UNS :S34709
Chemical Composition
C
%0.04-0.10 Si
≤ %0.30-0.60 Mn
≤ %1.50 P
≤ %0.035 S
≤ %0.015 Cr
%15.0 - 17.0 Ni
%12.0 - 14.0 Ti
≤ %10 x C
%0.04-0.10 Si
≤ %0.30-0.60 Mn
≤ %1.50 P
≤ %0.035 S
≤ %0.015 Cr
%15.0 - 17.0 Ni
%12.0 - 14.0 Ti
≤ %10 x C
Mechanical Properties 20°C
0.2% Yield Strength Rp
≥ N/mm²205 Tensile Strength
RmN/mm²510-690 Elongation A5
≥ %35 Resistant On High Tempature up To
° C750 Modulus of Elasticity
kN/mm²200
≥ N/mm²205 Tensile Strength
RmN/mm²510-690 Elongation A5
≥ %35 Resistant On High Tempature up To
° C750 Modulus of Elasticity
kN/mm²200
Physical Properties 20°C
Density
g/cm³7.98 Specific Heat Capacity
J/kg K450 Thermal Conductivity
W/m K16 Electrical Resistivity
Ω mm²/m0.78
g/cm³7.98 Specific Heat Capacity
J/kg K450 Thermal Conductivity
W/m K16 Electrical Resistivity
Ω mm²/m0.78
