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BS · United Kingdom · 2 grades

# BT42

The designation BT42 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* **High-speed steels · 59 grades**](/categories/high-speed-steels "Category: High-speed steels · 59 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% | Si% | V% | Cr% | Co% | Mo% |
|---|---|---|---|---|---|---|---|---|---|
| [HS10-4-3-10](/materials/din-en/hs10-4-3-10 "HS10-4-3-10") | [1.3207](/materials/material-no/1.3207 "1.3207") 1.3 | [High-speed steels](/categories/high-speed-steels "High-speed steels") | 20 | 1,20-1,35 | ≤0,45 | 3,00-3,50 | 3,80-4,50 | 9,50-10,5 | 3,20-3,90 |
| [HS2-9-1-8](/materials/din-en/hs2-9-1-8 "HS2-9-1-8") | [1.3247](/materials/material-no/1.3247 "1.3247") 1.3 | [High-speed steels](/categories/high-speed-steels "High-speed steels") | 28 | 1,05-1,15 | ≤0,70 | 0,90-1,30 | 3,50-4,50 | 7,50-8,50 | 9,00-10,0 |

## 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")