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AISI / SAE · United States · 2 grades

# 51440A

The designation 51440A 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* **Others · 1754 grades**](/categories/others "Category: Others · 1754 grades")
- [*Category* **Stainless steels · 468 grades**](/categories/stainless-steels "Category: Stainless steels · 468 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 | Si% | S% | Cr% | Mo% |
|---|---|---|---|---|---|---|---|
| [X68Cr17](/materials/din-en/x68cr17 "X68Cr17") | [1.4040](/materials/material-no/1.4040 "1.4040") 1.4 | [Others](/categories/others "Others") | 18 | ≤1,00 | 0,03 | 16,0-18,0 | ≤0,75 |
| [X65CrMo14](/materials/din-en/x65crmo14 "X65CrMo14") | [1.4109](/materials/material-no/1.4109 "1.4109") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 32 | ≤0,70 | 0,015 | 14,0-16,0 | 0,40-0,80 |

## 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")