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UNS · United States · 2 grades

# K33517

The designation K33517 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* **Special steels for defense technology · 8 grades**](/categories/special-steels-for-defense-technology "Category: Special steels for defense technology · 8 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")

[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% | Si% | P% | S% | Cr% | Mn% |
|---|---|---|---|---|---|---|---|---|---|
| [15NiCrMo16-5](/materials/din-en/15nicrmo16-5 "15NiCrMo16-5") | [1.6723](/materials/material-no/1.6723 "1.6723") 1.6 | [Special steels for defense technology](/categories/special-steels-for-defense-technology "Special steels for defense technology") | 3 | 0,13-0,18 | 0,15-0,40 | 0,025 | 0,02 | 1,00-1,40 | 0,25-0,55 |
| [4337](/materials/aisi-sae/4337 "4337") | [1.6944](/materials/material-no/1.6944 "1.6944") 1.6 | [Special steels for aviation and aerospace](/categories/special-steels-for-aviation-and-aerospace "Special steels for aviation and aerospace") | 6 | 0,35-0,40 | 0,15-0,35 | 0,015 | 0,01 | 0,65-0,90 | 0,50-0,80 |

## 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")