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321 stainless steel Physical properties steel plate

321 stainless steel is a stabilized stainless steel which offers as its main advantage an excellent resistance to intergranular corrosion following exposure to temperatures in the chromium carbide precipitation range from 800 to 1500° F (427 to 816° C). Type 321 is stabilized against chromium carbide formation by the addition of titanium.

321 stainless steel CHEMICAL PROPERTIES
C .08 Max.
Mn 2.00 Max.
Cr 17.00 /19.00
Ni 9.00/12.00
Ti .70 Max.
P .040 Max.
S .030 Max.
Si .75 Max.

Type 321 stainless steel is similar to Type 304 stainless steel, however, it contains a Titanium addition of at least five times the carbon content.

321 stainless steel Physical properties

Grade Density (kg/m3) Elastic Modulus (GPa) Mean Coefficient of Thermal Expansion (μm/m/°C) Thermal Conductivity (W/m.K) Specific Heat 0-100°C (J/kg.K) Electrical Resistivity (nΩ.m)
0-100°C 0-315°C 0-538°C at 100°C at 500°C
321 8027 193 16.6 17.2 18.6 16.1 22.2 500 720

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