本标准规定了焊接钛和锆的焊接性能认可测试的基本要求，认可范围，试验条件，验收要求和认证。本标准适用于钛和锆熔焊焊工的批准试验。本标准旨在通过检查机构在各种应用领域的焊工能力的批准为相互承认提供依据

This standard specifies essential requirements, ranges of approval, test conditions, acceptance requirements and certification for the approval testing of welder performance for the welding of titanium and zirconium. This standard applies to the approval testing of welders for the fusion welding of titanium and zirconium. This standard is intended to provide basis for the mutual recognition by examining bodies for approval relating to welders' competence in the various fields of application.