1、在炼油和石油化学工业中翅片材料多为铝。双金属的外管一般用含硅一锰的铝合金管,利于进步轧出翅片的硬度。
2、在电力等工业中的套片、焊接片或皱折型绕片多用碳钢带料,若在这些翅片外表简略地镀以锌、锡或铝即可大大延长使用寿命。
3、只有当防腐蚀要求很高或有特殊的工艺制作条件下,才选用不锈钢带作翅片材料。
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