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UNE · Spain · 2 grades

# CMO

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

- *Matching grades* **2**
- [*Category* **Others · 1754 grades**](/categories/others "Category: Others · 1754 grades")
- [*Category* **Case hardening steels · 60 grades**](/categories/case-hardening-steels "Category: Case hardening steels · 60 grades")

[Search](/search "Steel grade search")[Inquiry](/inquiry "Inquiry")

## 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.

| Grade | Material no. | Category | Designations | C% | S% |
|---|---|---|---|---|---|
| [15CrMo4](/materials/din-en/15crmo4 "15CrMo4") | [1.3566](/materials/material-no/1.3566 "1.3566") 1.3 | [Others](/categories/others "Others") | 13 | 0,12-0,18 | 0,015 |
| [18CrMo4](/materials/din-en/18crmo4 "18CrMo4") | [1.7243](/materials/material-no/1.7243 "1.7243") 1.7 | [Case hardening steels](/categories/case-hardening-steels "Case hardening steels") | 23 | 0,15-0,21 | 0,035 |

## 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.

[Search](/search "Steel grade search")[Inquiry](/inquiry "Inquiry")