Formula: Pr Mol. wt.: 140.90
fusion point: 931°c boiling point: 3520°c
fusion point: 931°c boiling point: 3520°c
density: 6.71
DESCRIPTION OF GOODS:As-cast metal.The surface should be clean, no noticeable inclusions fall off and oxide powder, new section assumes the silver-gray color. Easy oxidation in air.
Package:25 KG/PP DRUM., inside the packed in plastic bags. Argon save
Standard: GB/T19395-2003
Function:Mainly used for permanent magnetic material, also can be used as non-ferrous alloy additive.
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Product Code
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034030
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034025
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034020A
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034020B
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Chemical composition (mass fraction) / %
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RE≥
|
99.5
|
99.5
|
99
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99
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Pr/RE≥
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99.9
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99.5
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99
|
99
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Impurity content ≤
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RE-impurities
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(La+Ce+Nd+Sm+Y)/Re
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0.1
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0.5
|
1
|
1
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Non-RE-impurities
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Fe
|
0.08
|
0.12
|
0.15
|
0.30
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Si
|
0.03
|
0.05
|
0.05
|
0.05
|
|||
|
Ca
|
0.01
|
0.01
|
0.02
|
0.03
|
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Mg
|
0.01
|
0.01
|
0.02
|
0.03
|
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|
Al
|
0.03
|
0.05
|
0.05
|
0.10
|
|||
|
C
|
0.03
|
0.03
|
0.05
|
0.05
|
|||
|
O
|
0.03
|
0.05
|
0.05
|
0.05
|
|||
|
Mo
|
0.03
|
0.05
|
0.05
|
0.05
|
|||
|
W
|
0.03
|
0.05
|
0.05
|
0.05
|
|||
|
Cl
|
0.01
|
0.01
|
0.03
|
0.03
|
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|
S
|
0.01
|
0.01
|
0.01
|
0.02
|
|||
|
P
|
0.02
|
0.03
|
0.05
|
0.05
|
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