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title: "6150 — 3 equivalent grades, compared"
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AISI / SAE · United States · 3 grades

# 6150

The designation 6150 is carried by 3 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **3**
- [*Category* **Tool steels for cold work · 109 grades**](/categories/tool-steels-for-cold-work "Category: Tool steels for cold work · 109 grades")
- [*Category* **Special steels for aviation and aerospace · 39 grades**](/categories/special-steels-for-aviation-and-aerospace "Category: Special steels for aviation and aerospace · 39 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 3 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 | Si% | P% | S% | V% | Mn% |
|---|---|---|---|---|---|---|---|---|
| [50CrV4](/materials/din-en/50crv4 "50CrV4") | [1.2241](/materials/material-no/1.2241 "1.2241") 1.2 | [Tool steels for cold work](/categories/tool-steels-for-cold-work "Tool steels for cold work") | 12 | 0,15-0,35 | 0,03 | 0,03 | 0,10-0,20 | 0,80-1,10 |
| [G61500](/materials/uns/g61500 "G61500") | [1.8154](/materials/material-no/1.8154 "1.8154") 1.8 | [Special steels for aviation and aerospace](/categories/special-steels-for-aviation-and-aerospace "Special steels for aviation and aerospace") | 7 | 0,15-0,40 | 0,035 | 0,035 | 0,10-0,20 | 0,70-1,10 |
| [1.8159](/materials/material-no/1.8159 "1.8159") | [1.8159](/materials/material-no/1.8159 "1.8159") 1.8 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 73 | ≤0,40 | 0,025 | 0,025 | 0,10-0,25 | 0,70-1,10 |

## 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")