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适用范围：<p>These test methods for the chemical analysis of metals and alloys are primarily intended to test such materials for compliance with compositional specifications. 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.</p><p id="s00002">1.1 These test methods cover the determination of carbon, sulfur, nitrogen, and oxygen, in steel and in iron, nickel, and cobalt alloys having chemical compositions within the following limits:<br> <p id="n00001"><table summary="TABLE 1" frame="void" id="n00001" class="rules"> <tr><td align="center" valign="top">Element</td><td align="center" valign="top">Concentration Range, %</td></tr> <tr><td align="left" valign="top">Aluminum</td><td align="left" valign="top">0.001 to 18.00</td></tr> <tr><td align="left" valign="top">Antimony</td><td align="left" valign="top">0.002 to 0.03</td></tr> <tr><td align="left" valign="top">Arsenic</td><td align="left" valign="top"> 0.0005 to 0.10</td></tr> <tr><td align="left" valign="top">Beryllium</td><td align="left" valign="top">0.001 to 0.05</td></tr> <tr><td align="left" valign="top">Bismuth</td><td align="left" valign="top"> 0.001 to 0.50</td></tr> <tr><td align="left" valign="top">Boron</td><td align="left" valign="top"> 0.0005 to 1.00</td></tr> <tr><td align="left" valign="top">Cadmium</td><td align="left" valign="top"> 0.001 to 0.005</td></tr> <tr><td align="left" valign="top">Calcium</td><td align="left" valign="top"> 0.001 to 0.05</td></tr> <tr><td align="left" valign="top">Carbon</td><td align="left" valign="top"> 0.001 to 4.50</td></tr> <tr><td align="left" valign="top">Cerium</td><td align="left" valign="top"> 0.005 to 0.05</td></tr> <tr><td align="left" valign="top">Chromium</td><td align="left" valign="top">0.005 to 35.00</td></tr> <tr><td align="left" valign="top">Cobalt</td><td align="left" valign="top"> 0.01 to 75.0</td></tr> <tr><td align="left" valign="top">Columbium</td><td align="left" valign="top">0.002 to 6.00</td></tr> <tr><td align="left" valign="top">Copper</td><td align="left" valign="top"> 0.005 to 10.00</td></tr> <tr><td align="left" valign="top">Hydrogen</td><td align="left" valign="top">0.0001 to 0.0030</td></tr> <tr><td align="left" valign="top">Iron</td><td align="left" valign="top"> 0.01 to 100.0</td></tr> <tr><td align="left" valign="top">Lead</td><td align="left" valign="top"> 0.001 to 0.50</td></tr> <tr><td align="left" valign="top">Magnesium</td><td align="left" valign="top">0.001 to 0.05</td></tr> <tr><td align="left" valign="top">Manganese</td><td align="left" valign="top">0.01 to 20.0</td></tr> <tr><td align="left" valign="top">Molybdenum</td><td align="left" valign="top">0.002 to 30.00</td></tr> <tr><td align="left" valign="top">Nickel</td><td align="left" valign="top"> 0.005 to 84.00</td></tr> <tr><td align="left" valign="top">Nitrogen</td><td align="left" valign="top">0.0005 to 0.50</td></tr> <tr><td align="left" valign="top">Oxygen</td><td align="left" valign="top"> 0.0005 to 0.03</td></tr> <tr><td align="left" valign="top">Phosphorus</td><td align="left" valign="top">0.001 to 0.90</td></tr> <tr><td align="left" valign="top">Selenium</td><td align="left" valign="top">0.001 to 0.50</td></tr> <tr><td align="left" valign="top">Silicon</td><td align="left" valign="top"> 0.001 to 6.00</td></tr> <tr><td align="left" valign="top">Sulfur (Metal Reference<br> Materials)</td><td align="left" valign="top">0.002 to 0.35</td></tr> <tr><td align="left" valign="top">Sulfur (Potassium Sulfate)</td><td align="left" valign="top">0.001 to 0.600</td></tr> <tr><td align="left" valign="top">Tantalum</td><td align="left" valign="top">0.001 to 10.00</td></tr> <tr><td align="left" valign="top">Tellurium</td><td align="left" valign="top">0.001 to 0.35</td></tr> <tr><td align="left" valign="top">Tin</td><td align="left" valign="top"> 0.002 to 0.35</td></tr> <tr......