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AISI / SAE · United States · 2 grades

51B60

The designation 51B60 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%Cr%Mn%
52MnCrB31.71381.7Spring steels90,48-0,550,15-0,350,40-0,600,75-1,00
58CrMnB41.71901.7Spring steels120,580,30,91

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.