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AISI 321 H / UNS S32109 / 1.4878
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Description
AISI 321 H / 1.4878 is an austenitic and heat resistant stainless steel.
Special propertiesMiddle resistance to carburized gases.Low resistance to oxidized and reduced sulphuric gases.
ApplicationFurnace and apparatus engineering.
Suitable welding filler materials1.4551; 1.4829
Standards
Material No :1.4878
EN Degisnation :X8CrNiTi18-10
AISI/SAE :321 H
UNS :S32109
Chemical Composition
C
%≤ 0.10 Si
≤ %1.00 Mn
≤ %2.00 P
≤ %0.045 S
≤ %0.015 Cr
%17.0 - 19.0 Ni
%9.00 - 12.0 Ti
≤ %5 x C
%≤ 0.10 Si
≤ %1.00 Mn
≤ %2.00 P
≤ %0.045 S
≤ %0.015 Cr
%17.0 - 19.0 Ni
%9.00 - 12.0 Ti
≤ %5 x C
Mechanical Properties 20°C
Hardness HB 30
≤ HB215 0.2% Yield Strength Rp
≥ N/mm²190 Tensile Strength
RmN/mm²500-720 Elongation A5
≥ %40 Resistant On Air Up
° C850 Modulus of Elasticity
kN/mm²200
≤ HB215 0.2% Yield Strength Rp
≥ N/mm²190 Tensile Strength
RmN/mm²500-720 Elongation A5
≥ %40 Resistant On Air Up
° C850 Modulus of Elasticity
kN/mm²200
Physical Properties 20°C
Density
g/cm³7.9 Specific Heat Capacity
J/kg K500 Thermal Conductivity
W/m K15 Electrical Resistivity
Ω mm²/m0.73
g/cm³7.9 Specific Heat Capacity
J/kg K500 Thermal Conductivity
W/m K15 Electrical Resistivity
Ω mm²/m0.73
