宋满堂, 王会忠, 徐明. Controlling of Deleterious Elements in Bearing Steel GCrl5 Produced by 150 t LD-LF + RH Flow Sheet[J]. Special Steel, 2009, 30(1): 35-37.
宋满堂, 王会忠, 徐明. Controlling of Deleterious Elements in Bearing Steel GCrl5 Produced by 150 t LD-LF + RH Flow Sheet[J]. Special Steel, 2009, 30(1): 35-37.DOI:
The GCrl5 bearing steel is produced by hot metal desulphurizing - 150 t LD - LF + RH - TB refining - 350 mm x 470 mm bloom concasting flow sheet at steelmaking plant
Benxi Steel. With the operation practices including using quality hot metal (0. 000 2Ca
0. 002 7Cu
≤0. 001 As
≤0. 001 Sn
≤O.OOlSh
0. 002Pb)
controlling hot metal ≤0. 040% [ P
]
and ≤0. 003% [S
]
12 x 10
-6
[TiJ after alloying in LD tapping
controlling increment of [Ti
]
in LF + RH refining process
0. 04% [ Als
]
at end phase of refining
the deleterious elements in bearing steel GCr15 was controlled effectively