ASTM E1473-22

Standard Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Temperature Alloys

ASTM International, 11/15/2022

Publisher: ASTM

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Published:15/11/2022

Pages:38

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1.1 These test methods describe the chemical analysis of nickel, cobalt, and high-temperature alloys having chemical compositions within the following limits:

Element Composition Range, % Aluminum 0.005 to 7.00 Beryllium 0.001 to 0.05 Boron 0.001 to 1.00 Calcium 0.002 to 0.05 Carbon 0.001 to 1.10 Chromium 0.10 to 33.00 Cobalt 0.10 to 75.00 Copper 0.01 to 35.00 Iron 0.01 to 50.00 Lead 0.001 to 0.01 Magnesium 0.001 to 0.05 Manganese 0.01 to 3.0 Molybdenum 0.01 to 30.0 Niobium (Columbium) 0.01 to 6.0 Nickel 0.10 to 98.0 Nitrogen 0.001 to 0.20 Phosphorus 0.002 to 0.08 Sulfur 0.002 to 0.10 Silicon 0.01 to 5.00 Tantalum 0.005 to 1.00 Tin 0.002 to 0.10 Titanium 0.01 to 5.00 Tungsten 0.01 to 18.00 Vanadium 0.01 to 3.25 Zinc 0.001 to 0.01 Zirconium 0.01 to 2.50

1.2 The test methods in this standard are contained in the sections indicated as follows:

Aluminum, Total by the 8-Quinolinol Gravimetric Method
(0.20 % to 7.00 %) 53 to 60 Chromium by the Atomic Absorption Spectrometry Method
(0.018 % to 1.00 %) 91 to 100 Chromium by the Peroxydisulfate Oxidation-Titration Method
(0.10 % to 33.00 %) 101 to 109 Cobalt by the Ion-Exchange-Potentiometric Titration Method
(2 % to 75 %) 25 to 32 Cobalt by the Nitroso-R-Salt Spectrophotometric Method
(0.10 % to 5.0 %) 33 to 42 Copper by Neocuproine Spectrophotometric Method
(0.010 % to 10.00 %) 43 to 52 Iron by the Silver Reduction Titrimetric Method
(1.0 % to 50.0 %) 118 to 125 Manganese by the Metaperiodate Spectrophotometric Method
(0.05 % to 2.00 %) 8 to 17 Molybdenum by the Ion Exchange-8-Hydroxyquinoline
Gravimetric Method (1.5 % to 30 %) 110 to 117 Molybdenum by the Thiocyanate Spectrophotometric Method
(0.01 % to 1.50 %) 79 to 90 Nickel by the Dimethylglyoxime Gravimetric Method
(0.1 % to 84.0 %) 61 to 68 Niobium by the Ion Exchange-Cupferron Gravimetric Method
(0.5 % to 6.0 %) 126 to 133 Silicon by the Gravimetric Method (0.05 % to 5.00 %) 18 to 24 Tantalum by the Ion Exchange-Pyrogallol Spectrophotometric
Method (0.03 % to 1.0 %) 134 to 142 Tin by the Solvent Extraction-Atomic Absorption Spectrometry Method (0.002 % to 0.10 %) 69 to 78

1.3 Other test methods applicable to the analysis of nickel alloys that may be used in lieu of or in addition to this method are E1019, E1834, E1835, E1917, E1938, E2465, E2594, E2823.

1.4 Some of the composition ranges given in 1.1 are too broad to be covered by a single method, and therefore, these test methods contain multiple methods for some elements. The user must select the proper test method by matching the information given in the scope and interference sections of each test method with the composition of the alloy to be analyzed.

1.5 Units-The values stated in SI units are regarded as standard.

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific caution and hazard statements are given in Section 7 and in 13.4, 15.1.1, 15.1.2, 21.2, 22.3, 57.3, 84.2, 114.5, 115.14, 130.4, 130.5, 138.5, and 138.6.

1.7 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

ASTM E1473-22

Standard Test Methods for Chemical Analysis of Nickel, Cobalt, and High-Temperature Alloys

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