ISO 15614-1:2017规定了初步焊接工艺规范如何通过焊接工艺试验进行评定。 ISO 15614-1:2017适用于生产焊接、补焊和堆焊。 ISO 15614-1:2017定义了焊接工艺试验的执行条件，以及本文件评定范围内所有实际焊接操作的焊接工艺评定范围。 焊接工艺评定的主要目的是证明拟用于施工的连接工艺能够产生具有预期应用所需机械性能的接头。 给出了两个级别的焊接工艺试验，以允许广泛应用于焊接制造。它们由级别1和级别2指定。 在2级考试中，与1级考试相比，考试范围更大，资格范围更严格。 2级程序测试自动符合1级要求，但反之亦然。 当合同或应用标准中未规定任何级别时，2级的所有要求均适用。 本文件适用于所有产品形式的钢电弧焊和气焊，以及所有产品形式的镍和镍合金电弧焊。 根据ISO 4063，电弧焊和气焊包括在以下过程中。 111-手工金属电弧焊（带焊条的金属电弧焊）； 114——自保护管状药芯电弧焊； 12——埋弧焊； 13-气体保护金属电弧焊； 14-使用非消耗性焊条的气体保护电弧焊； 15-等离子弧焊； 311-氧乙炔焊接。 本文件的原则可适用于其他熔焊工艺。 注:根据本文件，以前的工艺编号不需要进行新的鉴定试验。 根据本文件之前版本制定的焊接工艺规范和评定可用于规定当前版本的任何应用。在这种情况下，以前版本的鉴定范围仍然适用。 如果满足本文件测试要求的技术意图，也可以在现有合格WPQR的基础上，根据本版本创建新的WPQR（焊接工艺评定记录）评定范围。如果必须进行附加试验，以使鉴定在技术上等效，则只需在试件上进行附加试验。

ISO 15614-1:2017 specifies how a preliminary welding procedure specification is qualified by welding procedure tests. ISO 15614-1:2017 applies to production welding, repair welding and build-up welding. ISO 15614-1:2017 defines the conditions for the execution of welding procedure tests and the range of qualification for welding procedures for all practical welding operations within the qualification of this document. The primary purpose of welding procedure qualification is to demonstrate that the joining process proposed for construction is capable of producing joints having the required mechanical properties for the intended application. Two levels of welding procedure tests are given in order to permit application to a wide range of welded fabrication. They are designated by levels 1 and 2. In level 2, the extent of testing is greater and the ranges of qualification are more restrictive than in level 1. Procedure tests carried out to level 2 automatically qualify for level 1 requirements, but not vice-versa. When no level is specified in a contract or application standard, all the requirements of level 2 apply. This document applies to the arc and gas welding of steels in all product forms and the arc welding of nickel and nickel alloys in all product forms. Arc and gas welding are covered by the following processes in accordance with ISO 4063. 111 - manual metal arc welding (metal-arc welding with covered electrode); 114 - self-shielded tubular-cored arc welding; 12 - submerged arc welding; 13 - gas-shielded metal arc welding; 14 - gas-shielded arc welding with non-consumable electrode; 15 - plasma arc welding; 311 - oxy-acetylene welding. The principles of this document may be applied to other fusion welding processes. NOTE A former process number does not require a new qualification test according to this document. Specification and qualification of welding procedures that were made in accordance with previous editions of this document may be used for any application for which the current edition is specified. In this case, the ranges of qualification of previous editions remain applicable. It is also possible to create a new WPQR (welding procedure qualification record) range of qualification according to this edition based on the existing qualified WPQR, provided the technical intent of the testing requirements of this document has been satisfied. Where additional tests have to be carried out to make the qualification technically equivalent, it is only necessary to perform the additional test on a test piece.