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  • ASTM E363-09

ASTM E363-09

Standard Test Methods for Chemical Analysis of Chromium and Ferrochromium

ASTM International, 10/01/2009

Publisher: ASTM

File Format: PDF

$30.00$60.00


Published:01/10/2009

Pages:8

File Size:1 file , 130 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 Concentration, %
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 Photometric Test Method
[0.001 % to 0.005 %]		 10-20
Lead by the Dithizone Photometric Test Method
[0.001 % to 0.05 %]		 21-31
Chromium by the Sodium Peroxide Fusion-Titrimetric Test Method
[50 % to 75 %]		 32-38

1.3 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 whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Specific hazard statements are given in Section 6.

10.1 This test method covers the determination of arsenic in chromium and ferrochromium in concentrations from 0.001 % to 0.005 %.

21.1 This test method covers the determination of lead in chromium and ferrochromium in concentrations from 0.001 % to 0.05 %.

32.1 This test method covers the determination of chromium in all carbon grades of ferrochromium in concentrations from 50 % to 75 %.

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