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title: "080A40 — 6 equivalent grades, compared"
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BS · United Kingdom · 6 grades

# 080A40

The designation 080A40 is carried by 6 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **6**
- [*Category* **Quenched and tempered steels · 133 grades**](/categories/quenched-and-tempered-steels "Category: Quenched and tempered steels · 133 grades")

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

## Which of the 6 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 | S% | P% | Mn% | C% | Si% | Cr% |
|---|---|---|---|---|---|---|---|---|---|
| [1.0511](/materials/material-no/1.0511 "1.0511") | [1.0511](/materials/material-no/1.0511 "1.0511") 1.0 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 63 | 0,045 | 0,045 | 0,50-0,80 | 0,37-0,44 | ≤0,40 | ≤0,40 |
| [C40D2](/materials/din-en/c40d2 "C40D2") | [1.1153](/materials/material-no/1.1153 "1.1153") 1.1 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 10 | 0,025 | 0,02 | 0,50-0,70 | 0,38-0,42 | 0,10-0,30 | ≤0,10 |
| [1.1157](/materials/material-no/1.1157 "1.1157") | [1.1157](/materials/material-no/1.1157 "1.1157") 1.1 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 15 | 0,035 | 0,035 | 0,80-1,10 | 0,36-0,44 | 0,25-0,50 | — |
| [C40E](/materials/din-en/c40e "C40E") | [1.1186](/materials/material-no/1.1186 "1.1186") 1.1 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 25 | 0,035 | 0,03 | 0,50-0,80 | 0,37-0,44 | ≤0,40 | ≤0,40 |
| [C40R](/materials/din-en/c40r "C40R") | [1.1189](/materials/material-no/1.1189 "1.1189") 1.1 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 14 | 0,020-0,040 | 0,03 | 0,50-0,80 | 0,37-0,44 | ≤0,40 | ≤0,40 |
| [G10400](/materials/uns/g10400 "G10400") | [1.9502](/materials/material-no/1.9502 "1.9502") 1.9 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 9 | 0,05 | 0,03 | 0,60-0,90 | 0,37-0,44 | — | — |

## 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")