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ASTM · United States · 5 grades

A646

The designation A646 is carried by 5 different grades. Compare them on the elements that actually differ, then open the one your print means.

Which of the 5 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%P%S%Cr%Mn%Si%
105Cr41.20571.2Tool steels for cold work151,00-1,100,030,030,90-1,100,20-0,400,15-0,35
1.20671.20671.2Tool steels for cold work530,95-1,100,0250,0251,35-1,600,20-0,400,15-0,35
1.35051.35051.3Bearing steels610,93-1,050,0250,0151,35-1,600,25-0,450,15-0,35
41SiNiCrMoV7-61.69281.6Quenched and tempered steels70,38-0,450,020,0150,60-1,000,40-0,701,40-1,90
K230805

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.