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ASTM B954-23

Standard Test Method for Analysis of Magnesium and Magnesium Alloys by Atomic Emission Spectrometry
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1.1 This test method describes the analysis of magnesium and its alloys by atomic emission spectrometry. The magnesium specimen to be analyzed may be in the form of a chill cast disk, casting, sheet, plate, extrusion or some other wrought form or shape.

The elements covered in the scope of this method are listed in the table below.

Element

Mass Fraction Range (Wt %)

Aluminum

0.001 to 12.0

Beryllium

0.0001 to 0.01

Boron

0.0001 to 0.01

Cadmium

0.0001 to 0.05

Calcium

0.0005 to 0.05

Cerium

0.01 to 3.0

Chromium

0.0002 to 0.005

Copper

0.001 to 0.05

Dysprosium

0.01 to 1.0

Erbium

0.01 to 1.0

Gadolinium

0.01 to 3.0

Iron

0.001 to 0.06

Lanthanum

0.01 to 1.5

Lead

0.005 to 0.1

Lithium

0.001 to 0.05

Manganese

0.001 to 2.0

Neodymium

0.01 to 3.0

Nickel

0.0005 to 0.05

Phosphorus

0.0002 to 0.01

Praseodymium

0.01 to 0.5

Samarium

0.01 to 1.0

Silicon

0.002 to 5.0

1.1 This test method describes the analysis of magnesium and its alloys by atomic emission spectrometry. The magnesium specimen to be analyzed may be in the form of a chill cast disk, casting, sheet, plate, extrusion or some other wrought form or shape. The elements covered in the scope of this method are listed in the table below.

Elements and Mass Fraction Ranges (Wt %):

Element

Mass Fraction Range (Wt %)

Aluminum

0.001 to 12.0

Beryllium

0.0001 to 0.01

Boron

0.0001 to 0.01

Cadmium

0.0001 to 0.05

Calcium

0.0005 to 0.05

Cerium

0.01 to 3.0

Chromium

0.0002 to 0.005

Copper

0.001 to 0.05

Dysprosium

0.01 to 1.0

Erbium

0.01 to 1.0

Gadolinium

0.01 to 3.0

Iron

0.001 to 0.06

Lanthanum

0.01 to 1.5

Lead

0.005 to 0.1

Lithium

0.001 to 0.05

Manganese

0.001 to 2.0

Neodymium

0.01 to 3.0

Nickel

0.0005 to 0.05

Phosphorus

0.0002 to 0.01

Praseodymium

0.01 to 0.5

Samarium

0.01 to 1.0

Silicon

0.002 to 5.0

Silver

0.001 to 0.2

Sodium

0.0005 to 0.01

Strontium

0.01 to 4.0

Tin

0.002 to 0.05

5.1 The metallurgical properties of magnesium and its alloys are highly dependant on chemical composition. Precise and accurate analyses are essential to obtaining desired properties, meeting customer specifications and helping to reduce scrap due to off-grade material.

5.2 This test method is applicable to chill cast specimens as defined in Practice B953 and can also be applied to other types of samples provided that suitable reference materials are available.

SDO ASTM: ASTM International
Document Number B954
Publication Date April 1, 2023
Language en - English
Page Count 9
Revision Level 23
Supercedes
Committee B07.04
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