304 and 304/L (UNS S30400 & UNS S30403) are austenitic alloys of stainless steel bars. These alloys are the most familiar and most frequently used alloys in the stainless steel family.  The L in 304/L refers to a lower carbon content to allow for greater corrosion protection when welding.

Available shapes: Hexes, Rounds, Square

Specifications: ASTM A276, ASTM A479, ASME SA479 & AMS 5639.