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JIS · Japan · 3 grades

# SMnC420H

The designation SMnC420H is carried by 3 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **3**
- [*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 3 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% | Cr% | Mn% | Si% | P% | S% |
|---|---|---|---|---|---|---|---|---|---|
| [1.7131](/materials/material-no/1.7131 "1.7131") | [1.7131](/materials/material-no/1.7131 "1.7131") 1.7 | [Case hardening steels](/categories/case-hardening-steels "Case hardening steels") | 78 | 0,14-0,19 | 0,80-1,10 | 1,00-1,30 | ≤0,40 | 0,025 | 0,035 |
| [20MnCr5](/materials/din-en/20mncr5 "20MnCr5") | [1.7147](/materials/material-no/1.7147 "1.7147") 1.7 | [Case hardening steels](/categories/case-hardening-steels "Case hardening steels") | 45 | 0,17-0,22 | 1,00-1,30 | 1,10-1,40 | ≤0,40 | 0,025 | 0,035 |
| smnc420h | — |  | 1 | 0.16 - 0.23 | 0.35 - 0.7 | 1.15 - 1.55 | 0.15 - 0.35 | max 0.03 | max 0.03 |

## 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")
