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72.5kV及以上气体绝缘金属封闭开关设备中的GIS外壳在电力行业有着广泛的应用。它用来容纳绝缘气体,使GIS在规定条件下安全地保持额定绝缘水平,并保护设备免受外部影响,同时对人体提供高等级的保护。目前本地区已形成该产品的规模生产,所用简体材料大都为5052铝镁合金,设计压力0.6MPa,设计温度50℃。经过多年的焊接试验,对该材料的焊接工艺已基本成熟。1铝合金压力容器焊接特点
GIS enclosures in 72.5kV and above gas-insulated metal-enclosed switchgear have a wide range of applications in the power industry. It is used to contain insulating gas to enable GIS to safely maintain rated insulation under specified conditions and to protect the equipment from external influences while providing a high level of protection to the human body. At present, the region has formed the scale of production of the product, most of the simplified materials used are 5052 aluminum-magnesium alloy, design pressure 0.6MPa, design temperature 50 ℃. After many years of welding test, the material of the welding process has basically matured. 1 aluminum pressure vessel welding characteristics