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title: "Z1CNDU20.18.06AZ — 4 equivalent grades, compared"
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AFNOR · France · 4 grades

# Z1CNDU20.18.06AZ

The designation Z1CNDU20.18.06AZ is carried by 4 different grades. Compare them on the elements that actually differ, then open the one your print means.

- *Matching grades* **4**
- [*Category* **Stainless steels · 468 grades**](/categories/stainless-steels "Category: Stainless steels · 468 grades")
- [*Category* **Others · 1754 grades**](/categories/others "Category: Others · 1754 grades")
- [*Category* **Heat resistant steels · 64 grades**](/categories/heat-resistant-steels "Category: Heat resistant steels · 64 grades")

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

## Which of the 4 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% | Ni% | N% | Cr% | Mn% | Si% |
|---|---|---|---|---|---|---|---|---|---|
| [1.4547](/materials/material-no/1.4547 "1.4547") | [1.4547](/materials/material-no/1.4547 "1.4547") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 15 | ≤0,02 | 17,5-18,5 | 0,18-0,25 | 19,5-20,5 | ≤1,00 | ≤0,70 |
| [GX2CrNiMoCuN20-18-6](/materials/din-en/gx2crnimocun20-18-6 "GX2CrNiMoCuN20-18-6") | [1.4557](/materials/material-no/1.4557 "1.4557") 1.4 | [Others](/categories/others "Others") | 9 | ≤0,025 | 17,5-19,5 | 0,18-0,24 | 19,5-20,5 | ≤1,20 | ≤1,00 |
| [1.4563](/materials/material-no/1.4563 "1.4563") | [1.4563](/materials/material-no/1.4563 "1.4563") 1.4 | [Stainless steels](/categories/stainless-steels "Stainless steels") | 13 | ≤0,020 | 30,0-32,0 | 0,11 | 26,0-28,0 | ≤2,00 | ≤0,70 |
| [1.4878](/materials/material-no/1.4878 "1.4878") | [1.4878](/materials/material-no/1.4878 "1.4878") 1.4 | [Heat resistant steels](/categories/heat-resistant-steels "Heat resistant steels") | 63 | ≤0,10 | 9,00-12,0 | — | 17,0-19,0 | ≤2,00 | ≤1,00 |

## 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")