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    簡(jiǎn)析鈣處理對(duì)管坯鋼中夾雜物的影響

    Discussion on Effect by Calcium Treatment Process on Inclusions in Steel

    • 摘要: 介紹了攀鋼集團(tuán)成都鋼釩有限公司對(duì)管坯鋼中夾雜物的控制情況,對(duì)比分析了兩種鈣處理工藝對(duì)30CrMo鋁鎮(zhèn)靜管坯鋼中Al2O3、MnS夾雜物的變性效果。分析結(jié)果表明,這兩種鈣處理工藝未使鋼中的氧化物和硫化物完全變性,若要達(dá)到完全變性效果,須提高鋼中有效鈣含量。

       

      Abstract: Elaborated in the paper is how the inclusions in the steel for tube-rolling are controlled by Pangang Group Chengdu Steel and Vanadium Co.,Ltd.Comparatively analzyed are the results of two calcium treatment processes for denaturization of Al2O3 and MnS inclusions in the aluminium-killed 30CrMo steel for tube-rolling.Based on the analysis result,it is concluded that neither of the said two processes is capable of fully denaturizing both oxide and sulfide in the steel,and thus,only by means of increasing the effective content of calcium in the steel,can the purpose of full denaturization be met.

       

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