15 XXX NN
The designation 15 XXX NN 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.
| Grade | Material no. | Category | Designations | C% | Mo% | Si% | P% | S% | Cr% |
|---|---|---|---|---|---|---|---|---|---|
| 50CrMo4 | 1.72281.7 | Quenched and tempered steels | 29 | 0,46-0,54 | 0,15-0,30 | ≤0,40 | 0,035 | 0,035 | 0,90-1,20 |
| 16CrMoV4 | 1.77281.7 | Others | 4 | 0,13-0,20 | 0,20-0,30 | 0,15-0,35 | 0,015 | 0,013 | 0,90-1,20 |
| 21CrVMoW12 | 1.82121.8 | Others | 2 | 0,18-0,25 | 0,35-0,45 | 0,15-0,35 | 0,035 | 0,035 | 2,70-3,00 |
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.