本SAE航空航天信息报告（AIR）定义了当前线性液压飞行控制致动器中使用的材料、强度和表面处理。为了将相关信息保持在最低限度，仅列出了气缸（桶）、压盖和活塞。还确定了材料选择的原因和任何相关评论。所有数据均从各自的供应商处收集。

This SAE Aerospace Information Report (AIR) defines the materials, strength and finishes utilized in current linear hydraulic flight control actuators. To keep the information at a relevant minimum, only cylinders (barrels), glands and pistons are listed. Also identified are the reasons for the material selection and any pertinent comments. All data were collected from the respective suppliers.