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如何鉴别45钢和A3钢

更新时间: 2020-10-13 00:00:00     

1、这两种钢,主要看硬度,A3钢软,45钢硬,如果有锉刀的话,用锉刀推一下就知道了。

2、A3钢通常为钢板,45通常为圆形钢。钢板是用钢水浇注,冷却后压制而成的平板状钢材。钢板是平板状,矩形的,可直接轧制或由宽钢带剪切而成。钢板按厚度分,薄钢板小于4毫米,最薄0.2毫米,厚钢板4到60毫米,特厚钢板60到115毫米。圆形钢是指截面为圆形的实心长条钢材。其规格以直径的毫米数表示,如“ 50”即表示直径为 50毫米的圆钢。

关键词: 如何 鉴别 a3

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