SAE 304 stainless steel
SAE 304 stainless steel also known as A2 stainless steel (not the same as A2 tool steel) or commercially as 18/10 or 18/8 stainless steel, European norm 1.4301, is the most common stainless steel. The steel contains both chromium (between 18-20%) and nickel (between 8-10.5%) metals as the main non-iron constituents. It is an austenitic stainless steel. It is less electrically and thermally conductive than carbon steel and is essentially non-magnetic. It has a higher corrosion resistance than regular steel and is widely used because of the ease in which it is formed into various shapes.
304 stainless steel has excellent resistance to a wide range of atmospheric environments and many corrosive media. It is subject to pitting and crevice corrosion in warm chloride environments and to stress corrosion cracking above about 60 °C. It is considered resistant to potable water with up to about 200 mg/L chlorides at ambient temperatures, reducing to about 150 mg/L at 60 °C.
304 stainless steel is used for a variety of household and industrial applications such as screws, machinery parts, car headers, and food-handling equipment. 304 stainless steel is also used in the architectural field for exterior accents such as water and fire features. It is also a common coil material for rebuildable vaporizers.
- "J405: Chemical Compositions of SAE Wrought Stainless Steels - SAE International". standards.sae.org. Retrieved 2017-11-14.
- Data sheet on SAE 304 stainless steel.
- "JIS G4303 SUS304 Austenite Stainless Steel Grade". MaterialGrades.
- "Stainless Steel Fasteners". Australian Stainless Steel Development Association. Archived from the original on 2007-09-29. Retrieved 2007-08-13.
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