The1.6~12.7 mm strip of L360 pipeline steel(0.08~0. 12C
0.10~0.25Si
1.10~1.30Mn
≤ 0.015P
≤0.008S
0.03~0.05Nb)was produced by hot metal desulphurization - 120 t converter melting - LF refining (argon stirring
feeding wire)- 160(220)mm slab concasting -2-stand Steckel mill flow sheet.The production data sta- tistic results showed that with using the measures such as catch carbon and reblow practice to control converter end [C
]
0.04%
AlMnFe
MnFe and NbFe alloying and feeding Al wire and SiCaBa wire in LF refining