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UNI · Italy · 5 grades

# KB

The designation KB is carried by 5 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **5**
- [*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 5 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% | Cr% | Mn% | Ni% | Si% | P% |
|---|---|---|---|---|---|---|---|---|---|
| [1.6511](/materials/material-no/1.6511 "1.6511") | [1.6511](/materials/material-no/1.6511 "1.6511") 1.6 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 91 | 0,32-0,40 | 0,90-1,20 | 0,50-0,80 | 0,90-1,20 | ≤0,40 | 0,035 |
| [1.6546](/materials/material-no/1.6546 "1.6546") | [1.6546](/materials/material-no/1.6546 "1.6546") 1.6 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 43 | 0,37-0,44 | 0,40-0,60 | 0,70-1,00 | 0,40-0,70 | 0,15-0,40 | 0,035 |
| [1.6582](/materials/material-no/1.6582 "1.6582") | [1.6582](/materials/material-no/1.6582 "1.6582") 1.6 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 84 | 0,30-0,38 | 1,30-1,70 | 0,50-0,80 | 1,30-1,70 | ≤0,40 | 0,025 |
| [1.7033](/materials/material-no/1.7033 "1.7033") | [1.7033](/materials/material-no/1.7033 "1.7033") 1.7 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 56 | 0,30-0,37 | 0,90-1,20 | 0,60-0,90 | — | ≤0,40 | 0,035 |
| [1.7218](/materials/material-no/1.7218 "1.7218") | [1.7218](/materials/material-no/1.7218 "1.7218") 1.7 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 111 | 0,22-0,29 | 0,90-1,20 | 0,60-0,90 | — | ≤0,40 | 0,025 |

## 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")