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AISI / SAE · United States · 2 grades

# 4320

The designation 4320 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* **Case hardening steels · 60 grades**](/categories/case-hardening-steels "Category: Case hardening steels · 60 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% |
|---|---|---|---|---|---|---|---|---|---|
| [15CrNi6](/materials/din-en/15crni6 "15CrNi6") | [1.5919](/materials/material-no/1.5919 "1.5919") 1.5 | [Case hardening steels](/categories/case-hardening-steels "Case hardening steels") | 29 | 0,12-0,18 | ≤0,25 | 0,02 | 0,015 | 1,35-1,65 | 0,40-0,70 |
| [1.6587](/materials/material-no/1.6587 "1.6587") | [1.6587](/materials/material-no/1.6587 "1.6587") 1.6 | [Case hardening steels](/categories/case-hardening-steels "Case hardening steels") | 41 | 0,15-0,21 | ≤0,40 | 0,025 | 0,035 | 1,50-1,80 | 0,50-0,90 |

## 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")