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UNS · United States · 2 grades

J21890

The designation J21890 is carried by 2 different grades. Compare them on the elements that actually differ, then open the one your print means.

Which of the 2 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%Si%P%S%Mn%
G17CrMo9-101.73791.7Others40,13-0,20≤0,600,0250,020,50-0,90
G12CrMo9-101.73871.7Others30,08-0,150,30-0,500,040,040,40-0,70

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.