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title: "S17700 — 3 equivalent grades, compared"
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UNS · United States · 3 grades

# S17700

The designation S17700 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* **Others · 1754 grades**](/categories/others "Category: Others · 1754 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* **Stainless steels · 468 grades**](/categories/stainless-steels "Category: Stainless steels · 468 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 | Al% | Si% | S% | P% | Cr% | Ni% |
|---|---|---|---|---|---|---|---|---|---|
| [1.4504](/materials/material-no/1.4504 "1.4504") | [1.4504](/materials/material-no/1.4504 "1.4504") 1.4 | [Others](/categories/others "Others") | 17 | 0,75-1,25 | ≤0,50 | 0,025 | 0,025 | 16,0-17,25 | 6,50-7,75 |
| [17-7PH](/materials/aisi-sae/17-7ph "17-7PH") | [1.4564](/materials/material-no/1.4564 "1.4564") 1.4 | [Special steels for aviation and aerospace](/categories/special-steels-for-aviation-and-aerospace "Special steels for aviation and aerospace") | 15 | 0,75-1,50 | ≤1,00 | 0,03 | 0,04 | 16,0-18,0 | 6,50-7,75 |
| [1.4568](/materials/material-no/1.4568 "1.4568") | [1.4568](/materials/material-no/1.4568 "1.4568") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 42 | 0,70-1,50 | ≤0,70 | 0,015 | 0,04 | 16,0-18,0 | 6,50-7,80 |

## 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")