303 Stainless Steel Properties at High Temps

In summary, 303 stainless steel is a popular type of stainless steel due to its high corrosion resistance and machinability. At high temperatures, it retains its strength and toughness, making it suitable for use in various industries such as aerospace and automotive. However, it may experience slight changes in its physical properties, such as a decrease in ductility and an increase in hardness. Overall, 303 stainless steel remains a reliable option for high-temperature applications.
  • #1
yangshi
19
0
Does anyone have a source for 303 stainless steel mechanical properties (YS, UTS, modulus, poisson's) with variation to temperature, especially around 800C? I've been searching a lot of sites... Or would it be fine to assume 303 has "good resistance to scaling at up to 871C" from http://www.suppliersonline.com/propertypages/303.asp?
 
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  • #2
yangshi said:
Does anyone have a source for 303 stainless steel mechanical properties (YS, UTS, modulus, poisson's) with variation to temperature, especially around 800C? I've been searching a lot of sites... Or would it be fine to assume 303 has "good resistance to scaling at up to 871C" from http://www.suppliersonline.com/propertypages/303.asp?
You might consult these links:

http://www.ssina.com/composition/temperature.html

http://www.nickelinstitute.org/~/Media/Files/TechnicalLiterature/High_TemperatureCharacteristicsofStainlessSteel_9004_.pdf
 
  • #3
Thanks for the quick reply. Lots of 304 data but nothing on 303. Though, 303 and 304 properties are fairly close, except for UTS.
 
  • #4
There is a 304L that is more resistant to scaling and 321 is also better at high temperatures.
 
  • #5
See; http://www.interlloy.com.au/our-products/stainless-steel/303-austenitic-stainless-steel-bar/

Interlloy said:
Elevated Temperature Properties

303 displays good oxidation resistance in continuous service up to 870 °C and in intermittent service up to 760 °C.

Continuous service however, between 430 °C and 850 °C is not recommended, nor is slow cooling through this range due to the problem of intergranular corrosion.
N.B. High temperature use is therefore not generally recommended.
 

Related to 303 Stainless Steel Properties at High Temps

1. What is the melting point of 303 stainless steel?

The melting point of 303 stainless steel is approximately 1400-1450°C (2552-2642°F).

2. What is the maximum operating temperature for 303 stainless steel?

The maximum operating temperature for 303 stainless steel is around 760°C (1400°F).

3. How does 303 stainless steel perform at high temperatures?

303 stainless steel has good high temperature strength and resistance to oxidation, but it may experience some loss of ductility and toughness at elevated temperatures.

4. Can 303 stainless steel be used in high temperature applications?

Yes, 303 stainless steel can be used in high temperature applications, but its performance may be affected depending on the specific conditions and requirements.

5. What are the potential risks of using 303 stainless steel at high temperatures?

The main risks of using 303 stainless steel at high temperatures include reduced ductility and toughness, potential for oxidation and corrosion, and potential for embrittlement and failure under certain conditions.

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