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ASTM E350-23

Standard Test Methods for Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and Wrought Iron
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ASTM E350-23

Standard Test Methods for Chemical Analysis of Carbon Steel, Low-Alloy Steel, Silicon Electrical Steel, Ingot Iron, and Wrought Iron

PUBLISH DATE 2023
PAGES 64
ASTM E350-23

1.1 These test methods cover the chemical analysis of carbon steels, low-alloy steels, silicon electrical steels, ingot iron, and wrought iron having chemical compositions within the following limits:

Element – Composition Range, %

  • Aluminum: 0.001  to 1.50
  • Antimony: 0.002  to 0.03
  • Arsenic: 0.0005 to 0.10
  • Bismuth: 0.005  to 0.50
  • Boron: 0.0005 to 0.02
  • Calcium: 0.0005 to 0.01
  • Cerium: 0.005  to 0.50
  • Chromium: 0.005  to 3.99
  • Cobalt: 0.01   to 0.30
  • Columbium (Niobium): 0.002  to 0.20
  • Copper: 0.005  to 1.50
  • Lanthanum: 0.001  to 0.30
  • Lead: 0.001  to 0.50
  • Manganese: 0.01   to 2.50
  • Molybdenum: 0.002  to 1.50
  • Nickel: 0.005  to 5.00
  • Nitrogen: 0.0005 to 0.04
  • Oxygen: 0.0001 to 0.03
  • Phosphorus: 0.001  to 0.25
  • Selenium: 0.001  to 0.50
  • Silicon: 0.001  to 5.00
  • Sulfur: 0.001  to 0.60
  • Tin: 0.002  to 0.10
  • Titanium: 0.002  to 0.60
  • Tungsten: 0.005  to 0.10
  • Vanadium: 0.005  to 0.50
  • Zirconium: 0.005  to 0.15

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 1.5 %): Sections 124–131
  • Aluminum, Total, by the 8-Quinolinol Spectrophotometric Method (0.003 % to 0.20 %): Sections 76–86
  • Aluminum, Total or Acid-Soluble, by the Atomic Absorption Spectrometry Method (0.005 % to 0.20 %): Sections 308–317
  • Antimony by the Brilliant Green Spectrophotometric Method (0.0002 % to 0.030 %): Sections 142–151
  • Bismuth by the Atomic Absorption Spectrometry Method (0.02 % to 0.25 %): Sections 298–307
  • Boron by the Distillation-Curcumin Spectrophotometric Method (0.0003 % to 0.006 %): Sections 208–219
  • Calcium by the Direct-Current Plasma Atomic Emission Spectrometry Method (0.0005 % to 0.010 %): Sections 289–297
  • Carbon, Total, by the Combustion Gravimetric Method (0.05 % to 1.80 %)—Discontinued 1995
  • Cerium and Lanthanum by the Direct Current Plasma Atomic Emission Spectrometry Method (0.003 % to 0.50 % Cerium, 0.001 % to 0.30 % Lanthanum): Sections 249–257
  • Chromium by the Atomic Absorption Spectrometry Method (0.006 % to 1.00 %): Sections 220–229
  • Chromium by the Peroxydisulfate Oxidation-Titration Method (0.05 % to 3.99 %): Sections 230–238
  • Cobalt by the Nitroso-R Salt Spectrophotometric Method (0.01 % to 0.30 %): Sections 53–62
  • Copper by the Sulfide Precipitation-Iodometric Titration Method (Discontinued 1989): Sections 87–94
  • Copper by the Atomic Absorption Spectrometry Method (0.004 % to 0.5 %): Sections 279–288
  • Copper by the Neocuproine Spectrophotometric Method (0.005 % to 1.50 %): Sections 114–123
  • Lead by the Ion-Exchange—Atomic Absorption Spectrometry Method (0.001 % to 0.50 %): Sections 132–141
  • Manganese by the Atomic Absorption Spectrometry Method (0.005 % to 2.0 %): Sections 269–278
  • Manganese by the Metaperiodate Spectrophotometric Method (0.01 % to 2.5 %): Sections 9–18
  • Manganese by the Peroxydisulfate-Arsenite Titrimetric Method (0.10 % to 2.50 %): Sections 164–171
  • Molybdenum by the Thiocyanate Spectrophotometric Method (0.01 % to 1.50 %): Sections 152–163
  • Nickel by the Atomic Absorption Spectrometry Method (0.003 % to 0.5 %): Sections 318–327
  • Nickel by the Dimethylglyoxime Gravimetric Method (0.1 % to 5.00 %): Sections 180–187
  • Nickel by the Ion-Exchange-Atomic-Absorption Spectrometry Method (0.005 % to 1.00 %): Sections 188–197
  • Nitrogen by the Distillation-Spectrophotometric Method (Discontinued 1988): Sections 63–75
  • Phosphorus by the Alkalimetric Method (0.02 % to 0.25 %): Sections 172–179
  • Phosphorus by the Molybdenum Blue Spectrophotometric Method (0.003 % to 0.09 %): Sections 19–30
  • Silicon by the Molybdenum Blue Spectrophotometric Method (0.01 % to 0.06 %): Sections 103–113
  • Silicon by the Gravimetric Titration Method (0.05 % to 3.5 %): Sections 46–52
  • Sulfur by the Gravimetric Method (Discontinued 1988): Sections 31–36
  • Sulfur by the Combustion-Iodate Titration Method (0.005 % to 0.3 %) (Discontinued 2017): Sections 37–45
  • Tin by the Sulfide Precipitation-Iodometric Titration Method (0.01 % to 0.1 %): Sections 95–102
  • Tin by the Solvent Extraction-Atomic Absorption Spectrometry Method (0.002 % to 0.10 %): Sections 198–207
  • Titanium by the Diantipyrylmethane Spectrophotometric Method (0.025 % to 0.30 %): Sections 258–268
  • Vanadium by the Atomic Absorption Spectrometry Method (0.006 % to 0.15 %)

1.1 These test methods cover the chemical analysis of carbon steels, low-alloy steels, silicon electrical steels, ingot iron, and wrought iron having chemical compositions within the following limits:

Element and Composition Range, %:

  • Aluminum: 0.001  to 1.50
  • Antimony: 0.002  to 0.03
  • Arsenic: 0.0005 to 0.10
  • Bismuth: 0.005  to 0.50
  • Boron: 0.0005 to 0.02
  • Calcium: 0.0005 to 0.01
  • Cerium: 0.005  to 0.50
  • Chromium: 0.005  to 3.99
  • Cobalt: 0.01   to 0.30
  • Columbium (Niobium): 0.002  to 0.20
  • Copper: 0.005  to 1.50
  • Lanthanum: 0.001  to 0.30
  • Lead: 0.001  to 0.50
  • Manganese: 0.01   to 2.50
  • Molybdenum: 0.002  to 1.50
  • Nickel: 0.005  to 5.00
  • Nitrogen: 0.0005 to 0.04
  • Oxygen: 0.0001 to 0.03
  • Phosphorus: 0.001  to 0.25
  • Selenium: 0.001  to 0.50
  • Silicon: 0.001  to 5.00
  • Sulfur: 0.001  to 0.60
  • Tin: 0.002  to 0.10
  • Titanium: 0.002  to 0.60
  • Tungsten: 0.005  to 0.10
  • Vanadium: 0.005  to 0.50
  • Zirconium: 0.005  to 0.15

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 1.5 %): 124–131
  • Aluminum, Total, by the 8-Quinolinol
    Spectrophotometric Method (0.003 % to 0.20 %): 76–86
  • Aluminum, Total or Acid-Soluble, by the Atomic
    Absorption Spectrometry Method (0.005 % to 0.20 %): 308–317
  • Antimony by the Brilliant Green Spectrophotometric
    Method (0.0002 % to 0.030 %): 142–151
  • Bismuth by the Atomic Absorption Spectrometry
    Method (0.02 % to 0.25 %): 298–307
  • Boron by the Distillation-Curcumin
    Spectrophotometric Method (0.0003 % to 0.006 %): 208–219
  • Calcium by the Direct-Current Plasma Atomic
    Emission Spectrometry Method (0.0005 % to 0.010 %): 289–297
  • Carbon, Total, by the Combustion Gravimetric Method
    (0.05 % to 1.80 %)—Discontinued 1995
  • Cerium and Lanthanum by the Direct Current Plasma
    Atomic Emission Spectrometry Method (0.003 % to 0.50 % Cerium, 0.001 % to 0.30 % Lanthanum): 249–257
  • Chromium by the Atomic Absorption Spectrometry
    Method (0.006 % to 1.00 %): 220–229
  • Chromium by the Peroxydisulfate Oxidation-Titration
    Method (0.05 % to 3.99 %): 230–238
  • Cobalt by the Nitroso-R Salt Spectrophotometric
    Method (0.01 % to 0.30 %): 53–62
  • Copper by the Sulfide Precipitation-Iodometric
    Titration Method (Discontinued 1989): 87–94
  • Copper by the Atomic Absorption Spectrometry
    Method (0.004 % to 0.5 %): 279–288
  • Copper by the Neocuproine Spectrophotometric
    Method (0.005 % to 1.50 %): 114–123
  • Lead by the Ion-Exchange—Atomic Absorption
    Spectrometry Method (0.001 % to 0.50 %): 132–141
  • Manganese by the Atomic Absorption Spectrometry
    Method (0.005 % to 2.0 %): 269–278
  • Manganese by the Metaperiodate Spectrophotometric
    Method (0.01 % to 2.5 %): 9–18
  • Manganese by the Peroxydisulfate-Arsenite Titrimetric
    Method (0.10 % to 2.50 %): 164–171
  • Molybdenum by the Thiocyanate Spectrophotometric
    Method (0.01 % to 1.50 %): 152–163
  • Nickel by the Atomic Absorption Spectrometry
    Method (0.003 % to 0.5 %): 318–327
  • Nickel by the Dimethylglyoxime Gravimetric
    Method (0.1 % to 5.00 %): 180–187
  • Nickel by the Ion-Exchange-Atomic-Absorption
    Spectrometry Method (0.005 % to 1.00 %): 188–197
  • Nitrogen by the Distillation-Spectrophotometric
    Method (Discontinued 1988): 63–75
  • Phosphorus by the Alkalimetric Method
    (0.02 % to 0.25 %): 172–179
  • Phosphorus by the Molybdenum Blue
    Spectrophotometric Method (0.003 % to 0.09 %): 19–30
  • Silicon by the Molybdenum Blue Spectrophotometric
    Method (0.01 % to 0.06 %): 103–113
  • Silicon by the Gravimetric Titration
    Method (0.05 % to 3.5 %): 46–52
  • Sulfur by the Gravimetric Method
    (Discontinued 1988): 31–36
  • Sulfur by the Combustion-Iodate Titration Method
    (0.005 % to 0.3 %) (Discontinued 2017): 37–45
  • Tin by the Sulfide Precipitation-Iodometric Titration
    Method (0.01 % to 0.1 %): 95–102
  • Tin by the Solvent Extraction-Atomic Absorption
    Spectrometry Method (0.002 % to 0.10 %): 198–207
  • Titanium by the Diantipyrylmethane
    S

4.1 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, particularly those under the jurisdiction of ASTM Committees A01 on Steel, Stainless Steel, and Related Alloys and A04 on Iron Castings.

It is assumed that all who use these test methods will be trained analysts capable of performing common laboratory procedures skillfully and safely.

It is expected that work will be performed in a properly equipped laboratory under appropriate quality control practices such as those described in Guide E882.
SDO ASTM: ASTM International
Document Number E350
Publication Date Nov. 15, 2023
Language en - English
Page Count 64
Revision Level 23
Supercedes
Committee E01.01

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