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AISI / SAE · United States · 8 grades

1045

The designation 1045 is carried by 8 different grades. Compare them on the elements that actually differ, then open the one your print means.

Which of the 8 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.CategoryDesignationsP%S%Mn%C%Si%
1.05031.05031.0Quenched and tempered steels930,0450,0450,50-0,800,42-0,50≤0,40
46Mn71.09121.0Others310,050,051,60-1,900,42-0,500,15-0,35
1.11911.11911.1Quenched and tempered steels390,030,0350,50-0,800,42-0,50≤0,40
1.11911.11911.1Others320,0350,030,50-0,800,42-0,50≤0,40
C45G1.11931.1Steels for surface hardening50,0250,0350,50-0,800,43-0,490,15-0,35
C45R1.12011.1Quenched and tempered steels220,030,020-0,0400,50-0,800,42-0,50≤0,40
C45U1.17301.1Unalloyed tool steels / carbon steels190,030,030,60-0,800,42-0,500,15-0,40
SAE 10451.95041.9Others40,030,050,60-0,900,43-0,50

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.