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AFNOR · France · 3 grades

25CD4

The designation 25CD4 is carried by 3 different grades. Compare them on the elements that actually differ, then open the one your print means.

Which of the 3 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.CategoryDesignationsP%C%Si%S%Mn%Mo%
25CrMo41.72141.7Special steels for aviation and aerospace290,020,22-0,290,15-0,350,0150,50-0,800,15-0,25
1.72181.72181.7Quenched and tempered steels1110,0250,22-0,29≤0,400,0350,60-0,900,15-0,30
1.72201.72201.7Quenched and tempered steels1590,0350,30-0,37≤0,400,0350,60-0,900,15-0,30

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.