铝合金型材及产品检验标准

. . 目次序号标题名称页码1 范围----------------------------------------------------------------------------------------------------2 2 规范性引用文件-------------------------------------------------------------------------------------2 3 术语、定义-------------------------------------------------------------------------------------------2 4 要求----------------------------------------------------------------------------------------------------2 4.1 产品分类-----------------------------------------------------------------------------------------------2 4.2 化学成分-----------------------------------------------------------------------------------------------3 4.3 尺寸偏差-----------------------------------------------------------------------------------------------3 4.3.1 横截面尺寸-------------------------------------------------------------------------------------------3 4.3.2 变曲度-------------------------------------------------------------------------------------------------4 4.3.3 扭拧度-------------------------------------------------------------------------------------------------5 4.3.4 长度----------------------------------------------------------------------------------------------------6 4.3.5 端头切斜度-------------------------------------------------------------------------------------------6 4.4 力学性能-----------------------------------------------------------------------------------------------6 4.5 外观质量-----------------------------------------------------------------------------------------------6 5 试验方法----------------------------------------------------------------------------------------------7 5.1 化学成分-----------------------------------------------------------------------------------------------7 5.2 力学性能---------------------------------------------------------------------------------------------- 7 5.3 尺寸偏差------------------------------------------------------------------------------...