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ČSN · Czechia · 5 grades

# 11503

The designation 11503 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* **Fine-grain structural steels · 50 grades**](/categories/fine-grain-structural-steels "Category: Fine-grain structural steels · 50 grades")
- [*Category* **Unalloyed structural steels · 452 grades**](/categories/unalloyed-structural-steels "Category: Unalloyed structural steels · 452 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 | S% | C% | P% | Si% | Mn% | Cu% |
|---|---|---|---|---|---|---|---|---|---|
| [1.0566](/materials/material-no/1.0566 "1.0566") | [1.0566](/materials/material-no/1.0566 "1.0566") 1.0 | [Fine-grain structural steels](/categories/fine-grain-structural-steels "Fine-grain structural steels") | 29 | 0,015 | ≤0,18 | 0,025 | ≤0,50 | 1,10-1,70 | ≤0,30 |
| [1.0570](/materials/material-no/1.0570 "1.0570") | [1.0570](/materials/material-no/1.0570 "1.0570") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 112 | 0,035 | ≤0,20 | 0,035 | ≤0,55 | ≤1,60 | — |
| [1.0570](/materials/material-no/1.0570 "1.0570") | [1.0570](/materials/material-no/1.0570 "1.0570") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 101 | 0,025 | ≤0,20 | 0,03 | ≤0,55 | ≤1,60 | — |
| [RoSt 52-3](/materials/din-en/rost-52-3 "RoSt 52-3") | [1.0576](/materials/material-no/1.0576 "1.0576") 1.0 | [Fine-grain structural steels](/categories/fine-grain-structural-steels "Fine-grain structural steels") | 6 | 0,03 | ≤0,22 | 0,03 | ≤0,55 | ≤1,60 | — |
| [1.0577](/materials/material-no/1.0577 "1.0577") | [1.0577](/materials/material-no/1.0577 "1.0577") 1.0 | [Unalloyed structural steels](/categories/unalloyed-structural-steels "Unalloyed structural steels") | 22 | 0,025 | ≤0,20 | 0,025 | ≤0,55 | ≤1,60 | ≤0,55 |

## 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")