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Differences Between 304 or 316 And 304L or 316L and Effect on Corrosion Resistance

Composition Ranges According to AISI , the only practical difference between 304 or 316 and 304L or 316L is carbon content. The carbon ranges are 0.08% maximum for 304 and 316 and 0.03% maximum for the 304L and 316L types. All other element ranges are essentially the same (nickel range for 304 is 8.00-10.50%