优质的铝合金门窗所用的铝型材，厚度、强度和氧化膜等，应符合国家的有关标准规定，窗非弹性装配结构壁厚在1.4毫米以上，门非弹性装配结构壁厚在2.0毫米以上。抗拉强度达到每平方米毫米157牛顿，屈服强度要达到每平方毫米108牛顿，氧化膜厚河北立体车库 消防报警器塑料配件 电缆接地箱 电缆保护接地箱 塑料土工格栅 消弧线圈装置 度应达到10微米。如果达不到以上标准，就是劣质铝合金门窗，不可使用。
The thickness, strength and oxide film of aluminum profiles used for high-quality aluminum alloy doors and windows shall comply with relevant national standards. The wall thickness of window inelastic assembly structure shall be more than 1.4mm and door inelastic assembly structure shall be more than 2.0mm. The tensile strength shall reach 157 Newtons per square millimeter, the yield strength shall reach 108 Newtons per square millimeter, and the oxide film thickness shall reach 10 microns. If the above standards are not met, it is inferior aluminum alloy doors and windows, which cannot be used