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title: "NF A54-301 — 3 equivalent grades, compared"
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AFNOR · France · 3 grades

# NF A54-301

The designation NF A54-301 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* **Controlled-expansion nickel-iron alloys · 15 grades**](/categories/controlled-expansion-nickel-iron-alloys "Category: Controlled-expansion nickel-iron alloys · 15 grades")
- [*Category* **Non-magnetic steels · 31 grades**](/categories/non-magnetic-steels "Category: Non-magnetic steels · 31 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 | Ni% | Mn% | Fe% |
|---|---|---|---|---|---|---|
| [Ni42](/materials/din-en/ni42 "Ni42") | [1.3917](/materials/material-no/1.3917 "1.3917") 1.3 | [Controlled-expansion nickel-iron alloys](/categories/controlled-expansion-nickel-iron-alloys "Controlled-expansion nickel-iron alloys") | 6 | 41,0-43,0\\n(40,0-43,0) | ≤1,00 | Rest/Bal. |
| [Ni48](/materials/din-en/ni48 "Ni48") | [1.3922](/materials/material-no/1.3922 "1.3922") 1.3 | [Controlled-expansion nickel-iron alloys](/categories/controlled-expansion-nickel-iron-alloys "Controlled-expansion nickel-iron alloys") | 4 | 46,0-49,0 | ≤0,50 | Rest/Bal. |
| [NiCo 29 18](/materials/din-en/nico-29-18 "NiCo 29 18") | [1.3981](/materials/material-no/1.3981 "1.3981") 1.3 | [Non-magnetic steels](/categories/non-magnetic-steels "Non-magnetic steels") | 5 | 28,0-30,0 | ≤0,50 | Rest./Bal. |

## 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")