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ASTM · United States · 5 grades

# A646

The designation A646 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* **Tool steels for cold work · 109 grades**](/categories/tool-steels-for-cold-work "Category: Tool steels for cold work · 109 grades")
- [*Category* **Bearing steels · 17 grades**](/categories/bearing-steels "Category: Bearing steels · 17 grades")
- [*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% | P% | S% | Cr% | Mn% | Si% |
|---|---|---|---|---|---|---|---|---|---|
| [105Cr4](/materials/din-en/105cr4 "105Cr4") | [1.2057](/materials/material-no/1.2057 "1.2057") 1.2 | [Tool steels for cold work](/categories/tool-steels-for-cold-work "Tool steels for cold work") | 15 | 1,00-1,10 | 0,03 | 0,03 | 0,90-1,10 | 0,20-0,40 | 0,15-0,35 |
| [1.2067](/materials/material-no/1.2067 "1.2067") | [1.2067](/materials/material-no/1.2067 "1.2067") 1.2 | [Tool steels for cold work](/categories/tool-steels-for-cold-work "Tool steels for cold work") | 53 | 0,95-1,10 | 0,025 | 0,025 | 1,35-1,60 | 0,20-0,40 | 0,15-0,35 |
| [1.3505](/materials/material-no/1.3505 "1.3505") | [1.3505](/materials/material-no/1.3505 "1.3505") 1.3 | [Bearing steels](/categories/bearing-steels "Bearing steels") | 61 | 0,93-1,05 | 0,025 | 0,015 | 1,35-1,60 | 0,25-0,45 | 0,15-0,35 |
| [41SiNiCrMoV7-6](/materials/din-en/41sinicrmov7-6 "41SiNiCrMoV7-6") | [1.6928](/materials/material-no/1.6928 "1.6928") 1.6 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 7 | 0,38-0,45 | 0,02 | 0,015 | 0,60-1,00 | 0,40-0,70 | 1,40-1,90 |
| [K23080](/materials/uns/k23080 "K23080") | — |  | 5 | — | — | — | — | — | — |

## 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")