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适用范围：<p id="s00002">1.1 This specification contains various requirements that, with the exception of Sections 6 and 7, are mandatory requirements to the following ASTM nickel and nickel alloy, longitudinally welded tubular product specifications:<br> <p id="t00001"><table summary="TABLE 1" frame="void" id="t00001" class="rules"> <tr><td align="center" valign="middle">Title of Specification</td><td align="center" valign="bottom">ASTM <br> Designation</td></tr> <tr><td align="left" valign="top">Welded UNS N08020, N08024, and UNS N08026 Alloy Tubes</td><td align="center" valign="top">B 468<astmref rid="a00001"></td></tr> <tr><td align="left" valign="top">Welded UNS N08120, UNS N08800, UNS N08810, UNS N08811 Alloy Tubes</td><td align="center" valign="top">B 515<astmref rid="a00002"></td></tr> <tr><td align="left" valign="top">Welded Nickel-Chromium-Iron Alloy (UNS N06600, UNS N06603, UNS N06025, and UNS N06045) Tubes</td><td align="center" valign="top">B 516<astmref rid="a00003"></td></tr> <tr><td align="left" valign="top">Welded Nickel and Nickel-Cobalt Alloy Tube</td><td align="center" valign="top">B 626<astmref rid="a00004"></td></tr> <tr><td align="left" valign="top">UNS N08904, UNS N08925, and UNS N08926 Welded Tube</td><td align="center" valign="top">B 674<astmref rid="a00005"></td></tr> <tr><td align="left" valign="top">UNS N08366 and UNS N08367 Welded Tube</td><td align="center" valign="top">B 676<astmref rid="a00006"></td></tr> <tr><td align="left" valign="top">Welded UNS N06625, N06219, and N08825 Alloy Tubes</td><td align="center" valign="top">B 704<astmref rid="a00007"></td></tr> <tr><td align="left" valign="top">Ni-Cr-Mo-Co-W-Fe-Si Alloy (UNS N06333) Welded Tube</td><td align="center" valign="top">B 726<astmref rid="a00008"></td></tr> <tr><td align="left" valign="top">Welded Nickel (UNS N02200/UNS N02201) and Nickel Copper Alloy (UNS N04400) Tube</td><td align="center" valign="top"> B 730<astmref rid="a00009"></td></tr></table></p></p> <p id="s00003">1.2 One or more of the test requirements of Section 6 apply only if specifically stated in the product specification or in the purchase order.</p> <p id="s00004">1.3 In case of conflict between a requirement of the product specification and a requirement of this general specification, only the requirement of the product specification need be satisfied.</p> <p id="s00005">1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.</p> <p id="s00006">1.5 <span class="italic">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 become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.</span>