1.1本规范涵盖了外科植入物制造中使用的锻造退火钛-6铝-4钒ELI(超低间隙)合金(R56401)的化学、机械和冶金要求。 1.2以英寸磅为单位的数值应视为标准。括号中给出的值是国际单位制的数学转换,仅供参考,不被视为标准。 1.3本国际标准是根据国际公认的标准化原则制定的《关于制定国际标准、指南和建议的原则的决定》由世界贸易组织技术性贸易壁垒委员会发布。 1.1 This specification covers the chemical, mechanical, and metallurgical requirements for wrought annealed titanium-6aluminum-4vanadium ELI (extra low interstitial) alloy (R56401) to be used in the manufacture of surgical implants. 1.2 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are athematical conversions to SI units that are provided for information only and are not considered standard. 1.3 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.