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合金鋼板產品詳情
合金鋼板
(1)淬透性低一般情況下，碳鋼水淬的最大淬透直徑只有10mm-20mm。
(2)強度和屈強比較低如普通碳鋼Q235鋼的σs為235MPa，而低合金結構鋼16Mn的σs則為360MPa以上。40鋼的σs/σb僅為0.43，遠低于合金鋼。
(3)回火穩定性差由于回火穩定性差，碳鋼在進行調質處理時，為了保證較高的強度需采用較低的回火溫度，這樣鋼的韌性就偏低；為了保證較好的韌性，采用高的回火溫度時強度又偏低，所以碳鋼的綜合機械性能水平不高。
(4)不能滿足特殊性能的要求碳鋼在抗氧化、耐蝕、耐熱、耐低溫、耐磨損以及特殊電磁性等方面往往較差，不能滿足特殊使用性能的需求。
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