Standard Specification for Aluminum-Alloy Extruded Structural Pipe and Tube
铝合金挤压结构管的标准规范
2020-11-01
SAE AMSQQA200C
Aluminum Alloy, Bar, Rod, Shapes, Structural Shapes, Tube, and Wire, Extruded: General Specification for
铝合金 棒 杆 形状 结构形状 管和线 挤压 一般规格
2019-11-19
ASTM B317/B317M-23
Standard Specification for Aluminum-Alloy Extruded Bar, Rod, Tube, Pipe, Structural Profiles, and Profiles for Electrical Purposes (Bus Conductor)
铝合金挤压棒材、棒材、管材、结构型材和电气用型材（母线）的标准规范