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JIS · Japan · 3 grades

SUP4

The designation SUP4 is carried by 3 different grades. Compare them on the elements that actually differ, then open the one your print means.

Which of the 3 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%Mn%Si%P%S%Cr%
C86D1.06161.0Spring steels140,83-0,880,50-0,800,10-0,300,030,03≤0,15
1.12741.12741.1Spring steels260,95-1,050,30-0,600,15-0,350,0250,025≤0,40
1.15451.15451.1Unalloyed tool steels / carbon steels671,00-1,100,10-0,400,10-0,300,030,03

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.