01-12-2010 дата публикации
Номер: CN0101462155B
Автор:
ZHAO FULIN,
LI MING,
CHEN MINGYUE,
LI YONGDONG,
ZHANG BINGCHENG,
YE SHAOFENG,
ZHENG ZHIHUI,
YUAN HUI,
WANG MENG,
WANG LIFENG,
WANG QUANLI,
WANG KUN,
LIU JIANHUI,
ZHANG YUAN,
ZHU FANGXIU,
FULIN ZHAO,
MING LI,
MINGYUE CHEN,
YONGDONG LI,
BINGCHENG ZHANG,
SHAOFENG YE,
ZHIHUI ZHENG,
HUI YUAN,
MENG WANG,
LIFENG WANG,
QUANLI WANG,
KUN WANG,
JIANHUI LIU,
YUAN ZHANG,
FANGXIU ZHU
Принадлежит:
The invention relates to a method for producing ultralow carbon wires by continuously casting small square billets. The method comprises molten iron desulfurizing and slagging off, converter smelting, slag-blocked tapping, ladle deoxidating and alloying, RH vacuum refining, feeding Si-Ca wire, soft argon blowing at ladle bottom, completely protecting casting for the small square billets, and wirerolling on a rolling machine. Through the RH vacuum treatment, the degree of vacuum is less than or equal to 50mbar; by adopting a mode of vacuum decarburization or light treatment, molten steel is decarbonized, and target C is less than or equal to 0.01 percent; oxygen is fixed after the RH vacuum decarburization, the activity of target oxygen is controlled at between 10 and 40ppm; and after theRH refining is ended, an Si-Ca wire is fed to treat calcium, soft argon blowing is carried out after feeding the wire, and ladle killed time is 10 to 30 minutes. The method can replace a process of die casting ...
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