特殊钢
特殊鋼
특수강
SPECIAL STEEL
2015年
3期
27-29
,共3页
曹燕光%王毛球%徐乐%刘剑辉%董瀚%胡芳忠%孙维
曹燕光%王毛毬%徐樂%劉劍輝%董瀚%鬍芳忠%孫維
조연광%왕모구%서악%류검휘%동한%호방충%손유
22CrMoH齿轮钢%110 t EAF-LF-RH-CC流程%淬透性带宽%氧含量%试制
22CrMoH齒輪鋼%110 t EAF-LF-RH-CC流程%淬透性帶寬%氧含量%試製
22CrMoH치륜강%110 t EAF-LF-RH-CC류정%쉬투성대관%양함량%시제
通过电弧炉留钢操作,控制EAF终点[C]≥0.10％,LF精炼白渣时间≥30 min,利用淬透性预测模型微调钢水中元素含量,控制中间包钢水过热度15～30℃、结晶器、铸流和末端电磁搅拌等工艺措施,试制的Φ110mm～Φ150 mm 22CrMoH齿轮钢(/％:0.20～0.22C,0.26～0.28Si,0.73～0.75Mn,0.007～0.012P,0.001～0.004S,1.05～1.09Cr,0.37～0.39Mo)的氧含量为8×10-6～10×10-6,轧材J15△HRC值≤4,夹杂物≤1.0级,低倍组织≤1.0级.
通過電弧爐留鋼操作,控製EAF終點[C]≥0.10％,LF精煉白渣時間≥30 min,利用淬透性預測模型微調鋼水中元素含量,控製中間包鋼水過熱度15～30℃、結晶器、鑄流和末耑電磁攪拌等工藝措施,試製的Φ110mm～Φ150 mm 22CrMoH齒輪鋼(/％:0.20～0.22C,0.26～0.28Si,0.73～0.75Mn,0.007～0.012P,0.001～0.004S,1.05～1.09Cr,0.37～0.39Mo)的氧含量為8×10-6～10×10-6,軋材J15△HRC值≤4,夾雜物≤1.0級,低倍組織≤1.0級.
통과전호로류강조작,공제EAF종점[C]≥0.10％,LF정련백사시간≥30 min,이용쉬투성예측모형미조강수중원소함량,공제중간포강수과열도15～30℃、결정기、주류화말단전자교반등공예조시,시제적Φ110mm～Φ150 mm 22CrMoH치륜강(/％:0.20～0.22C,0.26～0.28Si,0.73～0.75Mn,0.007～0.012P,0.001～0.004S,1.05～1.09Cr,0.37～0.39Mo)적양함량위8×10-6～10×10-6,알재J15△HRC치≤4,협잡물≤1.0급,저배조직≤1.0급.
