Al-Zn-Mg系为成功地发展用于可活动轻便桥梁、铁道和地铁客车车厢、轿车、卡车车身、低温设备和电线杆的结构材料合金提供了基础。高的比强度、可用多种工艺成形、优良的焊接性能、对腐蚀的防护措施要求很低和容易搬运,使人们对Al-Zn-Mg系合金非常感兴趣。扩大它在各种各样工程中的用途,已经 Al-Zn-Mg systems provide the foundation for the successful development of structural materials alloys for movable light bridges, rail and subway passenger cars, cars, truck bodies, cryogenic equipment and telephone poles. High specific strength, can be formed by a variety of processes, excellent welding performance, corrosion protection and low requirements and easy handling, people Al-Zn-Mg alloy is very interested. Expand its use in a variety of projects, already