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SAE AMS · United States / Aerospace · 3 grades

# 6351

The designation 6351 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* **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* **Low-temperature structural steels · 55 grades**](/categories/low-temperature-structural-steels "Category: Low-temperature structural steels · 55 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 | C% | Si% | Mn% | P% | S% | Cr% |
|---|---|---|---|---|---|---|---|---|---|
| [25CrMo4](/materials/din-en/25crmo4 "25CrMo4") | [1.7214](/materials/material-no/1.7214 "1.7214") 1.7 | [Special steels for aviation and aerospace](/categories/special-steels-for-aviation-and-aerospace "Special steels for aviation and aerospace") | 29 | 0,22-0,29 | 0,15-0,35 | 0,50-0,80 | 0,02 | 0,015 | 0,90-1,20 |
| [30CrMo4](/materials/din-en/30crmo4 "30CrMo4") | [1.7216](/materials/material-no/1.7216 "1.7216") 1.7 | [Low-temperature structural steels](/categories/low-temperature-structural-steels "Low-temperature structural steels") | 24 | 0,27-0,34 | ≤0,35 | 0,35-0,60 | 0,035 | 0,035 | 0,80-1,15 |
| [1.7220](/materials/material-no/1.7220 "1.7220") | [1.7220](/materials/material-no/1.7220 "1.7220") 1.7 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 159 | 0,30-0,37 | ≤0,40 | 0,60-0,90 | 0,035 | 0,035 | 0,90-1,20 |

## 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")