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title: "310S — 5 equivalent grades, compared"
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AISI / SAE · United States · 5 grades

# 310S

The designation 310S is carried by 5 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **5**
- [*Category* **Stainless steels · 468 grades**](/categories/stainless-steels "Category: Stainless steels · 468 grades")
- [*Category* **Others · 1754 grades**](/categories/others "Category: Others · 1754 grades")
- [*Category* **Resistance heating alloys · 9 grades**](/categories/resistance-heating-alloys "Category: Resistance heating alloys · 9 grades")
- [*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 5 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% | Ni% |
|---|---|---|---|---|---|---|---|---|---|
| [X1CrNi25-21](/materials/din-en/x1crni25-21 "X1CrNi25-21") | [1.4335](/materials/material-no/1.4335 "1.4335") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 36 | ≤0,020 | ≤0,25 | 0,025 | 0,01 | 24,0-26,0 | 20,0-22,0 |
| [X12CrNi25-20](/materials/din-en/x12crni25-20 "X12CrNi25-20") | [1.4842](/materials/material-no/1.4842 "1.4842") 1.4 | [Others](/categories/others "Others") | 35 | ≤0,14 | ≤1,40 | 0,02 | 0,015 | 24,3-26,7 | 19,2-21,8 |
| [CrNi 25 20](/materials/din-en/crni-25-20 "CrNi 25 20") | [1.4843](/materials/material-no/1.4843 "1.4843") 1.4 | [Resistance heating alloys](/categories/resistance-heating-alloys "Resistance heating alloys") | 17 | ≤0,20 | 1,50-2,50 | 0,045 | 0,03 | 22,0-25,0 | 19,0-22,0 |
| [1.4845](/materials/material-no/1.4845 "1.4845") | [1.4845](/materials/material-no/1.4845 "1.4845") 1.4 | [Heat resistant steels](/categories/heat-resistant-steels "Heat resistant steels") | 91 | ≤0,10 | ≤1,50 | 0,045 | 0,015 | 24,0-26,0 | 19,0-22,0 |
| [X6CrNi25-20](/materials/din-en/x6crni25-20 "X6CrNi25-20") | [1.4951](/materials/material-no/1.4951 "1.4951") 1.4 | [Heat resistant steels](/categories/heat-resistant-steels "Heat resistant steels") | 34 | 0,04-0,08 | ≤0,70 | 0,035 | 0,015 | 24,0-26,0 | 19,0-22,0 |

## 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")