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PN · Poland · 2 grades

# K18

The designation K18 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* **Quenched and tempered steels · 133 grades**](/categories/quenched-and-tempered-steels "Category: Quenched and tempered steels · 133 grades")
- [*Category* **Fine-grain structural steels · 50 grades**](/categories/fine-grain-structural-steels "Category: Fine-grain structural steels · 50 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% | P% | S% | Cr% | Mn% | Ni% |
|---|---|---|---|---|---|---|---|---|---|
| [1.0402](/materials/material-no/1.0402 "1.0402") | [1.0402](/materials/material-no/1.0402 "1.0402") 1.0 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 94 | 0,17-0,24 | 0,045 | 0,045 | ≤0,40 | 0,40-0,70 | ≤0,40 |
| [P305GH](/materials/din-en/p305gh "P305GH") | [1.0436](/materials/material-no/1.0436 "1.0436") 1.0 | [Fine-grain structural steels](/categories/fine-grain-structural-steels "Fine-grain structural steels") | 38 | 0,15-0,20 | 0,025 | 0,015 | ≤0,30 | 0,90-1,60 | ≤0,30 |

## 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")