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JIS · Japan · 7 grades

# STKM12A

The designation STKM12A is carried by 7 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **7**
- [*Category* **Unalloyed structural steels · 452 grades**](/categories/unalloyed-structural-steels "Category: Unalloyed structural steels · 452 grades")
- [*Category* **Case hardening steels · 60 grades**](/categories/case-hardening-steels "Category: Case hardening steels · 60 grades")
- [*Category* **Quenched and tempered steels · 133 grades**](/categories/quenched-and-tempered-steels "Category: Quenched and tempered steels · 133 grades")

[Search](/search "Steel grade search")[Inquiry](/inquiry "Inquiry")

## Which of the 7 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% | P% | Mn% | S% | Si% | N% |
|---|---|---|---|---|---|---|---|---|---|
| [S205G1T](/materials/din-en/s205g1t "S205G1T") | [1.0028](/materials/material-no/1.0028 "1.0028") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 93 | ≤0,15 | 0,05 | 0,20-0,50 | 0,05 | Spuren/Traces | 0,007 |
| [S235JR](/materials/din-en/s235jr "S235JR") | [1.0036](/materials/material-no/1.0036 "1.0036") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 99 | ≤0,17 | 0,045 | ≤1,40 | 0,045 | — | 0,007 |
| [S235JRG1+CR](/materials/din-en/s235jrg1-cr "S235JRG1+CR") | [1.0036](/materials/material-no/1.0036 "1.0036") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 93 | ≤0,17 | 0,04 | — | 0,035 | — | 0,007 |
| [1.0038](/materials/material-no/1.0038 "1.0038") | [1.0038](/materials/material-no/1.0038 "1.0038") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 152 | ≤0,17 | 0,035 | ≤1,40 | 0,035 | — | 0,012 |
| [C10](/materials/din-en/c10 "C10") | [1.0301](/materials/material-no/1.0301 "1.0301") 1.0 | [Case hardening steels](/categories/case-hardening-steels "Case hardening steels") | 63 | 0,07-0,13 | 0,045 | 0,30-0,60 | 0,045 | ≤0,40 | — |
| [1.0402](/materials/material-no/1.0402 "1.0402") | [1.0402](/materials/material-no/1.0402 "1.0402") 1.0 | [Quenched and tempered steels](/categories/quenched-and-tempered-steels "Quenched and tempered steels") | 94 | 0,17-0,24 | 0,045 | 0,40-0,70 | 0,045 | ≤0,40 | — |
| **STKM12A** | — | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 2 | max 0.2 | max 0.04 | max 0.6 | max 0.04 | max 0.35 | — |

## 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")