批發零售防鏽型5052鋁管，5056鋁方管等5系鋁管
2024-09-10
5052鋁管，5056鋁方管等5系鋁管屬於Al-Mg-Si系合金,使用範圍廣泛,特別是建築業離不開此合金，是有前途的合金。耐蝕性好，焊接性優良，冷加工性較好，並具有中等強度。5系鋁合金的主要合
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