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JIS · Japan · 3 grades

# SUP4

The designation SUP4 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* **Spring steels · 52 grades**](/categories/spring-steels "Category: Spring steels · 52 grades")
- [*Category* **Unalloyed tool steels / carbon steels · 35 grades**](/categories/unalloyed-tool-steels-carbon-steels "Category: Unalloyed tool steels / carbon steels · 35 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% | Mn% | Si% | P% | S% | Cr% |
|---|---|---|---|---|---|---|---|---|---|
| [C86D](/materials/din-en/c86d "C86D") | [1.0616](/materials/material-no/1.0616 "1.0616") 1.0 | [Spring steels](/categories/spring-steels "Spring steels") | 14 | 0,83-0,88 | 0,50-0,80 | 0,10-0,30 | 0,03 | 0,03 | ≤0,15 |
| [1.1274](/materials/material-no/1.1274 "1.1274") | [1.1274](/materials/material-no/1.1274 "1.1274") 1.1 | [Spring steels](/categories/spring-steels "Spring steels") | 26 | 0,95-1,05 | 0,30-0,60 | 0,15-0,35 | 0,025 | 0,025 | ≤0,40 |
| [1.1545](/materials/material-no/1.1545 "1.1545") | [1.1545](/materials/material-no/1.1545 "1.1545") 1.1 | [Unalloyed tool steels / carbon steels](/categories/unalloyed-tool-steels-carbon-steels "Unalloyed tool steels / carbon steels") | 67 | 1,00-1,10 | 0,10-0,40 | 0,10-0,30 | 0,03 | 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")