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ASTM · United States · 6 grades

A830

The designation A830 is carried by 6 different grades. Compare them on the elements that actually differ, then open the one your print means.

Which of the 6 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.CategoryDesignationsS%C%Si%P%Mn%
1.05031.05031.0Quenched and tempered steels930,0450,42-0,50≤0,400,0450,50-0,80
1.11911.11911.1Quenched and tempered steels390,0350,42-0,50≤0,400,030,50-0,80
C45G1.11931.1Steels for surface hardening50,0350,43-0,490,15-0,350,0250,50-0,80
C45R1.12011.1Quenched and tempered steels220,020-0,0400,42-0,50≤0,400,030,50-0,80
C45U1.17301.1Unalloyed tool steels / carbon steels190,030,42-0,500,15-0,400,030,60-0,80
SAE 10451.95041.9Others40,050,43-0,500,030,60-0,90

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.