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AISI / SAE · United States · 2 grades

E4340H

The designation E4340H 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%Cr%Mn%
40 NiCrMo 8 41.65621.6Quenched and tempered steels330,37-0,440,20-0,350,020,0150,70-0,950,70-0,90
40NiCrMo61.65651.6Quenched and tempered steels560,35-0,450,15-0,350,0350,0350,90-1,400,50-0,70

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.