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title: "S31609 — 2 equivalent grades, compared"
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UNS · United States · 2 grades

# S31609

The designation S31609 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* **Stainless steels · 468 grades**](/categories/stainless-steels "Category: Stainless steels · 468 grades")
- [*Category* **High-temperature steels · 40 grades**](/categories/high-temperature-steels "Category: High-temperature steels · 40 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% | N% | Si% | P% | Cr% | Ni% |
|---|---|---|---|---|---|---|---|---|---|
| [1.4401](/materials/material-no/1.4401 "1.4401") | [1.4401](/materials/material-no/1.4401 "1.4401") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 134 | ≤0,07 | 0,11 | ≤1,00 | 0,045 | 16,5-18,5 | 10,0-13,0 |
| [X6CrNiMo17-13](/materials/din-en/x6crnimo17-13 "X6CrNiMo17-13") | [1.4919](/materials/material-no/1.4919 "1.4919") 1.4 | [High-temperature steels](/categories/high-temperature-steels "High-temperature steels") | 13 | 0,04-0,08 | 0,11\\n(0,10) | ≤0,75\\n(≤1,00) | 0,035 | 16,0-18,0\\n(16,5-18,5) | 12,0-14,0\\n(10,0-13,0) |

## 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")