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title: "30309S — 2 equivalent grades, compared"
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AISI / SAE · United States · 2 grades

# 30309S

The designation 30309S 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* **Heat resistant steels · 64 grades**](/categories/heat-resistant-steels "Category: Heat resistant steels · 64 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% | Ni% |
|---|---|---|---|---|---|---|---|
| [X 7 CrNi 23 14](/materials/din-en/x-7-crni-23-14 "X 7 CrNi 23 14") | [1.4833](/materials/material-no/1.4833 "1.4833") 1.4 | [Heat resistant steels](/categories/heat-resistant-steels "Heat resistant steels") | 69 | ≤0,15 | ≤1,00 | 0,045 | 12,0-14,0 |
| [X6CrNi23-13](/materials/din-en/x6crni23-13 "X6CrNi23-13") | [1.4950](/materials/material-no/1.4950 "1.4950") 1.4 | [Heat resistant steels](/categories/heat-resistant-steels "Heat resistant steels") | 32 | 0,04-0,08 | ≤0,70 | 0,035 | 12,0-15,0 |

## 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")
