1.1 本标准涵盖了采购商和铸钢件生产商在生产完整订单之前就样品铸件商定的检验要求。本标准包括规范涵盖的所有铸件 A703/A703M , A781/A781M , A957/A957M 和 A985/A985M . 它还确定了何时需要开发新样本。 1.2 涵盖了几类采样要求，包括尺寸、加工、视觉、磁粉、液体渗透、射线照相、超声波或泄漏测试。 1.3 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全、健康和环境实践，并确定监管限制的适用性。 1.4 本国际标准是根据世界贸易组织技术性贸易壁垒（TBT）委员会发布的《关于制定国际标准、指南和建议的原则的决定》中确立的国际公认标准化原则制定的。

1.1 This standard covers the inspection requirements agreed upon by the purchaser and producer of steel castings for the sample castings prior to production of the completed order. This standard includes all castings covered by Specifications A703/A703M , A781/A781M , A957/A957M , and A985/A985M . It also identifies when a new sample needs to be developed. 1.2 Several categories of sampling requirements are covered, ranging from dimensional, machining, visual, magnetic particle, liquid penetrant, radiographic, ultrasonic, or leak tests. 1.3 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 establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.