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AISI / SAE · United States · 7 grades

440C

The designation 440C is carried by 7 different grades. Compare them on the elements that actually differ, then open the one your print means.

Which of the 7 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%Mo%Cr%P%Si%S%
X102CrMo171.35431.3Bearing steels150,95-1,200,40-0,8016,0-18,00,04≤1,000,015
S440041.35441.3Bearing steels200,95-1,100,35-0,7516,0-18,00,025≤1,000,015
X110Cr171.40231.4Others210,95-1,20≤0,7516,0-18,00,04≤1,000,03
X65CrMo141.41091.4Stainless steels320,60-0,750,40-0,8014,0-16,00,04≤0,700,015
X90CrMoV181.41121.4Stainless steels320,85-0,950,90-1,3017,0-19,00,04≤1,000,015
X105CrMo171.41251.4Stainless steels500,95-1,200,40-0,8016,0-18,00,04≤1,000,015
X105CrCoMo18-21.45281.4Stainless steels131,00-1,101,00-1,5016,5-18,50,045≤1,000,03

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.