UNS
S34700
Series
300 Series

An austenitic stainless steel grade (300 series), niobium-stabilized as an alternative to 321.

Chemical composition (%)

ElementRange (%)
Cr17 – 19
Ni9 – 13
C≤ 0.08

Other notable elements: Nb ≥10×C.

We manufacture 347 welded tube.

Working from a lab report instead of a grade name? Try the Reverse Chemical Lookup.

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