宋生强, 薛正良, 王伟祥, 等. 60 t LD出钢包中V2O5自还原直接合金化冶炼钒钢SG45的工业试验[J]. 特殊钢, 2013,34(6):36-38.
宋生强, 薛正良, 王伟祥, et al. Commercial Pilot Production of Vanadium Steel SG45 by V2O5 Self-Reducing Direct Alloying in Ladle during 60 t LD Tapping[J]. Special Steel, 2013, 34(6): 36-38.
宋生强, 薛正良, 王伟祥, 等. 60 t LD出钢包中V2O5自还原直接合金化冶炼钒钢SG45的工业试验[J]. 特殊钢, 2013,34(6):36-38.DOI:
宋生强, 薛正良, 王伟祥, et al. Commercial Pilot Production of Vanadium Steel SG45 by V2O5 Self-Reducing Direct Alloying in Ladle during 60 t LD Tapping[J]. Special Steel, 2013, 34(6): 36-38.DOI:
中碳钒钢SG45(/%:0.42~0.50C、0.17~0.27Si、0.50~0.80Mn、≤0.035P、≤0.035S、0.06~0.10V)的生产流程为60 t LD-LF-VD-CC工艺。在转炉出钢过程将钢芯铝-合金(锰铁、硅锰等)-五氧化二钒自还原团块(/%:26.90V
2
O
5
粉
33.51硅铁粉
16.74石灰粉
22.85萤石粉)-预熔渣(/%:50~53CaO、41~46Al
2
O
3
、≤4SiO
2
、≤4MgO)加至钢包进行钒的直接合金化工业试验。3炉试验结果表明
钒的平均收得率为95.13%
钢材洁净度和冶金质量良好。
Abstract
The production flow sheet for medium-carbon vanadium steel SG45 (/% : 0. 42 ~0. 50C
0. 17 ~0. 27Si
0. 50 ~ 0. 80Mn
≤0. 035P
≤0. 035S
0. 06 ~ 0. 10V) is 60 t LD-LF-VD-CC process. The vanadium direct alloying commercial test is carried out during converter tapping by adding aluminium cladding with steel-alloys ( manganese iron powder