ASTM E363-23

Standard Test Methods for Chemical Analysis of Chromium and Ferrochromium

ASTM International, 07/01/2023

Publisher: ASTM

File Format: PDF

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Published:01/07/2023

Pages:8

File Size:1 file , 370 KB

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1.1 These test methods cover the chemical analysis of chromium and ferrochromium having chemical compositions within the following limits:

Element Composition, % Aluminum 0.25 max Antimony 0.005 max Arsenic 0.005 max Bismuth 0.005 max Boron 0.005 max Carbon 9.00 max Chromium 51.0 to 99.5 Cobalt 0.10 max Columbium 0.05 max Copper 0.05 max Lead 0.005 max Manganese 0.75 max Molybdenum 0.05 max Nickel 0.50 max Nitrogen 6.00 max Phosphorus 0.03 max Silicon 12.00 max Silver 0.005 max Sulfur 0.07 max Tantalum 0.05 max Tin 0.005 max Titanium 0.50 max Vanadium 0.50 max Zinc 0.005 max Zirconium 0.05 max

1.2 The analytical procedures appear in the following order:

Sections Arsenic by the Molybdenum Blue Spectrophotometric Test Method
[0.001 % to 0.005 %] 10 - 20 Lead by the Dithizone Spectrophotometric Test Method
[0.001 % to 0.05 %] 21 - 31 Chromium by the Sodium Peroxide Fusion-Titrimetric Test Method
[50.0 % to 99.5 %] 32 - 38

1.3 Units-The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 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 hazard statements are given in Section 6 and in special "Warning" paragraphs throughout these test methods.

1.5 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 E363-23

Standard Test Methods for Chemical Analysis of Chromium and Ferrochromium

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