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AISI / SAE · United States · 2 grades

A588

The designation A588 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%N%P%S%Cr%Mn%
1.05621.05621.0Fine-grain structural steels74≤0,180,0120,0250,015≤0,301,10-1,70
A709-50W1.89591.8Weathering steels23≤0,160,0090,0350,0350,40-0,800,50-1,50

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.