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title: "304 — 7 equivalent grades, compared"
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AISI / SAE · United States · 7 grades

# 304

The designation 304 is carried by 7 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **7**
- [*Category* **Stainless steels · 468 grades**](/categories/stainless-steels "Category: Stainless steels · 468 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 7 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 | Ni% | C% | S% | Cr% | N% |
|---|---|---|---|---|---|---|---|---|
| [1.4301](/materials/material-no/1.4301 "1.4301") | [1.4301](/materials/material-no/1.4301 "1.4301") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 170 | 8,00-10,5 | ≤0,07 | 0,015 | 17,5-19,5 | 0,11 |
| [X 5 CrNi 18 12](/materials/din-en/x-5-crni-18-12 "X 5 CrNi 18 12") | [1.4303](/materials/material-no/1.4303 "1.4303") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 84 | 11,0-13,0 | ≤0,06 | 0,015 | 17,0-19,0 | 0,11 |
| [1.4305](/materials/material-no/1.4305 "1.4305") | [1.4305](/materials/material-no/1.4305 "1.4305") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 77 | 8,00-10,0 | ≤0,10 | 0,15-0,35 | 17,0-19,0 | 0,11 |
| [1.4306](/materials/material-no/1.4306 "1.4306") | [1.4306](/materials/material-no/1.4306 "1.4306") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 137 | 10,0-12,0 | ≤0,030 | 0,015 | 18,0-20,0 | 0,11 |
| [1.4307](/materials/material-no/1.4307 "1.4307") | [1.4307](/materials/material-no/1.4307 "1.4307") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 88 | 8,00-10,5 | ≤0,030 | 0,015 | 17,5-19,5 | 0,11 |
| [1.4311](/materials/material-no/1.4311 "1.4311") | [1.4311](/materials/material-no/1.4311 "1.4311") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 55 | 8,50-11,50 | ≤0,030 | 0,015 | 17,5-19,5 | 0,12-0,22 |
| [S30400](/materials/uns/s30400 "S30400") | [1.4314](/materials/material-no/1.4314 "1.4314") 1.4 | [Special steels for aviation and aerospace](/categories/special-steels-for-aviation-and-aerospace "Special steels for aviation and aerospace") | 86 | 8,50-10,5 | ≤0,07 | 0,03 | 17,0-19,0 | — |

## 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")