Austenitic stainless steels chart

Composition reference for austenitic stainless steels—carbon, chromium, nickel and alloying element limits by AISI grade.

Austenitic stainless steels chart
AISI grade C max. Si max. Mn max. Cr Ni Mo Ti Nb Al V
301 0.15 1.00 2.00 16-18 6-8
302 0.15 1.00 2.00 17–19 8-10
304 0.08 1.00 2.00 17.5-20 8-10.5
310 0.25 1.50 2.00 24-26 19-22
316 0.08 1.00 2.00 16-18 10-14 2.0-3.0
321 0.08 1.00 2.00 17-19 9-12 5 x %C min.
347 0.08 1.00 2.00 17-19 9-13 10 x %C min.
E 1250 0.1 0.5 6.0 15.0 10.0 0.25
20/25-Nb 0.05 1.0 1.0 20.0 25.0 0.7
A 286 0.05 1.0 1.0 15.0 26.0 1.2 ~1.9 ~0.18 ~0.25
254SMO 0.02 0.8 1.0 18.5-20.5 17.5-18.5 6-6.5 ~1.9 ~0.18 ~0.25
AL-6XN 0.03 1.0 2.0 20-22 23.5-25.5 6-7