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<p class="MsoBodyText"><span lang="EN-GB">This document specifies how a preliminary welding procedure specification (pWPS) is qualified by welding procedure tests.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document defines the conditions for the execution of welding procedure tests and the range of qualification for welding procedures for all welding operations within the qualification of this document.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">Two classes of welding procedure tests are given in order to permit application to a wide range of welded fabrication. They are designated by classes A and B. In class A, the extent of testing is greater and the ranges of qualification are more restrictive than in class B.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">Procedure tests carried out to class A automatically qualify for class B requirements, but not vice-versa.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">When no class is specified in a contract or application standard, all the requirements of class A apply.</span></p>
<p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;"> </span>Class B corresponds to level 1 and class A corresponds to level 2 in accordance with ISO 15614-1.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document applies to upset (resistance butt) welding and flash welding of any metallic materials in all product forms (e.g. with solid, tubular, flat or circular cross-sections). It covers the following resistance welding processes, as defined in ISO 4063:2023:</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">24 – flash welding, using direct current or alternating current with various movement sequences, constant flashing and pulsed flashing;</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">25 – resistance butt welding (upset welding), using direct current or alternating current with various current and pressure sequences.</span></p>
Reģistrācijas numurs (WIID)
85314
Darbības sfēra
<p class="MsoBodyText"><span lang="EN-GB">This document specifies how a preliminary welding procedure specification (pWPS) is qualified by welding procedure tests.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document defines the conditions for the execution of welding procedure tests and the range of qualification for welding procedures for all welding operations within the qualification of this document.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">Two classes of welding procedure tests are given in order to permit application to a wide range of welded fabrication. They are designated by classes A and B. In class A, the extent of testing is greater and the ranges of qualification are more restrictive than in class B.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">Procedure tests carried out to class A automatically qualify for class B requirements, but not vice-versa.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">When no class is specified in a contract or application standard, all the requirements of class A apply.</span></p>
<p class="Note"><span lang="EN-GB">NOTE<span style="mso-tab-count: 1;"> </span>Class B corresponds to level 1 and class A corresponds to level 2 in accordance with ISO 15614-1.</span></p>
<p class="MsoBodyText"><span lang="EN-GB">This document applies to upset (resistance butt) welding and flash welding of any metallic materials in all product forms (e.g. with solid, tubular, flat or circular cross-sections). It covers the following resistance welding processes, as defined in ISO 4063:2023:</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">24 – flash welding, using direct current or alternating current with various movement sequences, constant flashing and pulsed flashing;</span></p>
<p class="ListContinue1" style="mso-list: l0 level1 lfo1;"><!-- [if !supportLists]--><span lang="EN-GB" style="mso-fareast-font-family: Cambria; mso-bidi-font-family: Cambria;"><span style="mso-list: Ignore;">—<span style="font: 7.0pt 'Times New Roman';"> </span></span></span><!--[endif]--><span lang="EN-GB">25 – resistance butt welding (upset welding), using direct current or alternating current with various current and pressure sequences.</span></p>
