ASTM E353-93 Chemical Analysis of Stainless, Heat Resisting, Maraging Steel and Other Similar Alloys

The standard test methods for the chemical analysis of stainless, heat resisting, maraging, and other similar chromium-nickel-iron alloys are covered under the ASTM E353-93 standard test. These test methods for the chemical analysis of metals and alloys are primarily intended as referee methods to test such materials for compliance with compositional specifications.

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Scope:

ASTM E353-93 standard method covers the test methods for chemical analysis of stainless heat resisting, maraging, and other similar chromium-nickel-iron alloys with chemical compositions within defined limits. The test methods in this standard are contained under the sections as follows:

Test Methods	Sections
Manganese by the Periodate Spectrophotometric Method (0.01% to 5.00%)	8
Phosphorus by the Molybdenum Blue Spectrophotometric Method (0.002% to 0.35%)	18
Silicon by the Gravimetric Method (0.05% to 4.00%)	46
Cobalt by the Ion-Exchange–Potentiometric Titration Method (2% to 15%)	53
Cobalt by the Nitroso-R-Salt Spectrophotometric Method (0.01% to 5.0%)	61
Aluminium, Total, by the 8-Quinolinol Spectrophotometric Method(0.003% to 0.20%)	71
Copper by the Sulfide Precipitation-Electrodeposition Gravimetric Method(0.01% to 5.00%)	82
Tin by the Sulfide-Iodometric Titration Method (0.01% to 0.05%)	90
Copper by the Neocuproine Spectrophotometric Method (0.01% to 5.00%)	109
Aluminium, Total, by the 8-Quinolinol Gravimetric Method (0.20% to 7.00%)	119
Lead by the Ion-Exchange-Atomic Absorption Method (0.001% to 0.50%)	127
Phosphorus by the Alkalimetric Method (0.02% to 0.35%)	164
Nickel by the Dimethylglyoxime Gravimetric Method (0.1% to 48.0%)	172
Tin by the Solvent Extraction–Atomic Absorption Method (0.002% to 0.10%)	180
Molybdenum by the Spectrophotometric Method (0.01% to 1.50%)	190
Chromium by the Atomic Absorption Method (0.006% to 1.00%)	202
Chromium by the Peroxydisulfate Oxidation–Titration Method (0.10% to 35.00%)	212
Vanadium by the Atomic Absorption Method (0.006% to 0.15%)	221
Titanium, Total, by the Diantipyrylmethane Spectrophotometric Method(0.01% to 0.35%)	231
Molybdenum by the Ion Exchange–8-Hydroxyquinoline Gravimetric Method	242

Results:

Nickel by the dimethylglyoxime gravimetric method- Nickel dimethylglyoximate is precipitated by adding an alcoholic solution of dimethylglyoxime to a solution of the sample containing ammonium citrate. A second precipitation is performed to purify the precipitate prior to drying and weighing. The results obtained are as follows:

Test Material	Percent Nickel
High chromium steel 13 Cr	0.241
Stainless steel 18 Cr-9 Ni-25 Se	9.44
Stainless steel 19 Cr-14 Ni-3 Mo	14.16

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