1.范围1。1本标准实施规程提供了阀门、法兰、配件和其他管道部件钢铸件射线照相检查的胶片法的方法和验收标准。本标准实施规程适用于铸件的初始检验和铸件修复的检验。br> 1.2本标准实施规程中包含的方法提供了统一的程序，可在使用第5节的验收标准时产生令人满意且一致的结果。1.3本检验指南可在自愿的基础上使用，或在询价单、合同或订单中有规定时，以及在制造商和买方共同同意的情况下使用。1.4很难严格按照一套验收标准解释射线照片。因此，在应用射线照相验收标准时，制造商和买方之间需要密切合作。

1. SCOPE1.1 This Standard Practice provides methods and acceptance standards for the film method of radiographic examination of steel castings for valves, flanges, fittings, and other piping components.This Standard Practice is applicable to the initial examination of castings and toward the examination of casting repairs.br> 1.2 The methods contained in this Standard Practice provide uniform procedures that will produce satisfactory and consistent results upon the acceptance standards of Section 5 may be used.1.3 This examination guide may be used on a voluntary basis or when specified in an inquiry, contract, or order, and when mutually agreed upon by the manufacturer and the purchaser.1.4 It is difficult to rigidly interpret radiographs to a set of acceptance standards. Consequently, there is a need for close cooperation between the manufacturer and the purchaser in applying radiographic acceptance standards.