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AISI / SAE · United States · 4 grades

321H

The designation 321H is carried by 4 different grades. Compare them on the elements that actually differ, then open the one your print means.

Which of the 4 do you want?

This name is carried by several grades. The elements shown are the ones whose values actually differ across the set — the ones that decide the question. Values are the source text verbatim; an em dash means no value on file for that element on that grade, not zero.

GradeMaterial no.CategoryDesignationsC%P%Ni%
1.45411.45411.4Stainless steels175≤0,080,0459,00-12,0
1.48781.48781.4Heat resistant steels63≤0,100,0459,00-12,0
X7CrNiTi18-101.49401.4High-temperature steels30,04-0,080,049,00-13,0
X6CrNiTiB18-101.49411.4High-temperature steels50,04-0,080,0359,00-12,0

Not sure which one your print means?

Search the catalogue by designation, material number or composition — every name on this page is itself a way in.