镍烙合金钢管类：           适用于最高使用温度在927℃以下之电器产品，常用材料为Alloy800及840二种，其使用状态与不锈钢管类相同，但能承受较不锈钢管更高的使用温度，惟其价格也较不锈钢管类贵出甚多，主要用途：烤肉架，烤箱，炊具……等。                                                                 Incoloy tube:          Normal process in radiating or liquid for the higher temperature electrical appliance, the operation temperature 927℃Max. The sheathed of heater was made by alloy 800 and 840. The conditions of application were the same as copper plated steel tube but can withstand the more higher operation temperature. Main application: Roaster, Oven, Cooker……and etc.