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UNS · United States · 3 grades

# K12039

The designation K12039 is carried by 3 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **3**
- [*Category* **Heat-resistant structural steels · 62 grades**](/categories/heat-resistant-structural-steels "Category: Heat-resistant structural steels · 62 grades")

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

## 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 | P% | S% | Mn% | Ni% | Mo% | C% |
|---|---|---|---|---|---|---|---|---|---|
| [17MnMoV6-4](/materials/din-en/17mnmov6-4 "17MnMoV6-4") | [1.5403](/materials/material-no/1.5403 "1.5403") 1.5 | [Heat-resistant structural steels](/categories/heat-resistant-structural-steels "Heat-resistant structural steels") | 8 | 0,035 | 0,035 | 1,40-1,70 | 1 | 0,20-0,50 | ≤0,19 |
| [18MnMo4-5](/materials/din-en/18mnmo4-5 "18MnMo4-5") | [1.5414](/materials/material-no/1.5414 "1.5414") 1.5 | [Heat-resistant structural steels](/categories/heat-resistant-structural-steels "Heat-resistant structural steels") | 4 | 0,015 | 0,005 | 0,90-1,50 | 0,3 | 0,45-0,60 | ≤0,20 |
| [18MnMoNi5-5](/materials/din-en/18mnmoni5-5 "18MnMoNi5-5") | [1.6308](/materials/material-no/1.6308 "1.6308") 1.6 | [Heat-resistant structural steels](/categories/heat-resistant-structural-steels "Heat-resistant structural steels") | 3 | 0,025 | 0,015 | 1,15-1,55 | 0,50-0,80 | 0,45-0,55 | ≤0,20 |

## 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")