403 stainless steel
This straight chromium stainless steel offers reasonable corrosion resistance and high mechanical characteristics.
AISI 403 offers heat resistance and a scaling temperature of about 1300°F (704°C).
Chemical composition ( weight % )
Heat treatment of 403 stainless steel
* Anneal by heating to 1350° to 1450°F (732° to 78°C), then air cool
* To enhance softness, hold at 1450° to 1550°F (788° to 843°C), then furnace cool
* Annealing reduces machinability
* Harden by quenching from 1750° to 1850°F (954° to 1010°C) in air or oil, then draw between 800° and 1100°F
(427° and 593°C)
Applications of stainless 403
Ladles used in molten nonferrous applications
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