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ÖNORM · Austria · 4 grades

# K990

The designation K990 is carried by 4 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **4**
- [*Category* **Unalloyed tool steels / carbon steels · 35 grades**](/categories/unalloyed-tool-steels-carbon-steels "Category: Unalloyed tool steels / carbon steels · 35 grades")

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

## Which of the 4 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% | Mn% |
|---|---|---|---|---|---|
| [C105W2](/materials/din-en/c105w2 "C105W2") | [1.1535](/materials/material-no/1.1535 "1.1535") 1.1 | [Unalloyed tool steels / carbon steels](/categories/unalloyed-tool-steels-carbon-steels "Unalloyed tool steels / carbon steels") | 26 | 0,85-0,95 | 0,10-0,40 |
| [1.1545](/materials/material-no/1.1545 "1.1545") | [1.1545](/materials/material-no/1.1545 "1.1545") 1.1 | [Unalloyed tool steels / carbon steels](/categories/unalloyed-tool-steels-carbon-steels "Unalloyed tool steels / carbon steels") | 67 | 1,00-1,10 | 0,10-0,40 |
| [C110W1](/materials/din-en/c110w1 "C110W1") | [1.1555](/materials/material-no/1.1555 "1.1555") 1.1 | [Unalloyed tool steels / carbon steels](/categories/unalloyed-tool-steels-carbon-steels "Unalloyed tool steels / carbon steels") | 31 | 1,15-1,25 | 0,10-0,40 |
| [C105W2](/materials/din-en/c105w2 "C105W2") | [1.1645](/materials/material-no/1.1645 "1.1645") 1.1 | [Unalloyed tool steels / carbon steels](/categories/unalloyed-tool-steels-carbon-steels "Unalloyed tool steels / carbon steels") | 45 | 1,00-1,10 | 0,10-0,35 |

## 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")