UNS E21000 Rare earth and similar metals

Material group: Nonferrous Alloys / Rare earth and similar metals
Country / Standard: United States / UNS

Data updates

Latest Update: 2023-04
Total number of updates: 4
Update History
2019-04 2015-05 2015-01

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UNS E21000 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Ce
VALUE
50.0
UNIT
%
CAS NUMBER
7440-45-1
CRITERIA
La
VALUE
38.0
UNIT
%
CAS NUMBER
7439-91-0
CRITERIA
Nd
VALUE
12.0
UNIT
%
CAS NUMBER
7440-00-8
CRITERIA
Other
VALUE
val1
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UNIT
%
CAS NUMBER
CRITERIA
Pr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-10-0
CRITERIA
Rare Earths (RE)
VALUE
val1
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UNIT
%
CAS NUMBER

Metals and alloys in the unified numbering system (UNS), 2025

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