Comparison of 316 BS and EN Grades

The former BS1449 and BS970 316 type grades 316S12 316S16 316S11 316S13 316S31 and 316S33 are compared and matched to the current EN steel number grades. Composition ranges for the ?BS? grades are given. For atmospheric exposure service conditions, except in extreme marine environments, the substitution of either: -316S11 (1.4404) for 316S12 or316S31 (1.4401) for 316S16 should give satisfactory corrosion resistance, depending on design and finishing techniques.

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