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JIS · Japan · 2 grades

STBA12

The designation STBA12 is carried by 2 different grades. Compare them on the elements that actually differ, then open the one your print means.

Which of the 2 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%Si%P%S%Mn%Mo%
1.54151.54151.5Heat-resistant structural steels380,12-0,20≤0,350,0250,010,40-0,900,25-0,35
stba1210.1 - 0.20.1 - 0.5max 0.035max 0.0350.3 - 0.80.45 - 0.65

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.