Henan bebon international Co., Ltd is a professional 321 stainless
steel supplier. We can provide high quality 321 stainless steel
goods with the most competitive price for you.
Type 321 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
While Type 321 continues to be employed for prolonged service in
th4e 800 to 1500° F (427 to 816° C) temperature range, Type 304L
has supplanted this stabilized grade for applications involving
only welding or short time heating.
Type 321 stainless steel s also advantageous for high temperature
service because of its good mechanical properties. Type 321
stainless steel offers higher creep and stress rupture properties
than Type 304 and, particularly, Type 304L which might also be
considered for exposures where sensitization and intergranular
corrosion are concerns. This results in higher elevated temperature
allowable stresses for this stabilized alloy for ASME Boiler and
pressure Vessel Code applications. The Type 321 alloy has a maximum
use temperature of 1500°F (816° C) for code applications like Type
304, whereas Type 304L is limited to 800° F (426° C).
321 stainless steel equivalent material:
321 stainless steel chemical composition %:
C(max):0.08, Mn(max):2.00, P(max):0.045, S(max):0.030,
Si(max):0.75, Cr:17.0-19.0, Ni:9.0-12.0, N(max):0.1,
321 stainless steel mechanical properties:
Tensile strength(min):515Mpa, Yield strength(min):205Mpa,
Elongation in 2 in. or 50 mm,min, %: 40, Hardness: HB(max): 217,
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