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臨滄蠕墨鑄鐵件金相含量測試

信息編號:63928483 發布時間:2025/8/12 10:51:49
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化學成分分析
目前,大多數工廠蠕墨鑄鐵件常規性檢測項目主要有抗拉強度、伸長率和硬度等。此外由于近代精準的直讀光譜可即時測出十幾乃至幾十個元素含量,所以就間接幫助企業對化學成分控制技術進行了加強,而且對于保證達到蠕墨鑄鐵牌號的性能要求也起到了至關重要的作用。不過,化學成分一般不作為鑄件驗收的提供的化學成分在沒有特殊說明的情況下,只作為供方配料時的參考,供方提供給需方的化學成分報告也是作為參考,不能作為判別鑄件合格或不合格的依據。但如果有特殊要求時,經供需雙方商定,化學成分也可以作為鑄件驗收依據之一。此外諸如鑄件的熱處理方式和工藝也需要明確,例如去應力退火、正火、回火以及機加工后需表面熱處理要求等。
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