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303AL Modified® Stainless

(UNS S30345)

Single Figures are Maximums
0.15 C, 2.00 Mn, 0.05 P, 0.11/0.16 S, 1.00 Si, 17.00/19.00 Cr, 8.00/10.00 Ni, 0.40/0.60 Mo, 0.60/1.00 Al, Bal. Fe

A free-machining austenitic stainless steel. The grade’s good machinability is due to the proper combination of aluminum and sulfur. It has better formability than Type 303 stainless and should be considered for cold forming operations where Type 303Se stainless is now used, specifications permitting. Its corrosion resistance is generally similar to that of Type 303; however, 303Al Modified stainless has better pitting resistance.


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