1.1 本规范 2. 盖挤压6061-T6铝合金标准结构型材。 1.2 型材仅限于工字钢、H型钢、槽钢、角钢、三通和ZEE。 注1: 对于其他合金和回火的其他挤压型材，请参阅规范 B221页 . 1.3 合金和回火名称符合ANSI H35.1/H35.1（M）。根据惯例，表1中合金牌号的等效统一编号系统为A9，或合金6061的A96061 E527 . 1.4 有关本规范中包含新铝和铝合金的验收标准，请参阅 附件A2 . 1.5 以国际单位制或英寸-磅单位表示的数值应单独视为标准值。每个系统中规定的值可能不是精确的等效值； 因此，每个系统应相互独立使用。将两个系统的值合并可能会导致不符合标准。 1.6 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。 1.7 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 specification 2 covers extruded 6061-T6 aluminum-alloy standard structural profiles. 1.2 The profiles are limited to I-beams, H-beams, channels, angles, tees, and zees. Note 1: For other extruded profiles in other alloys and tempers refer to Specification B221 . 1.3 Alloy and temper designations are in accordance with ANSI H35.1/H35.1(M). The equivalent Unified Numbering System alloy designation is that in Table 1 preceded by A9, or A96061 for alloy 6061 in accordance with Practice E527 . 1.4 For acceptance criteria for inclusion of new aluminum and aluminum alloys in this specification, see Annex A2 . 1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.6 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. 1.7 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.