| 摘要 |
The method, for casting boron-added steel which consists of (in wt.%) C of 0.003-0.10%, P of below 0.015%, S of below 0.015%, Sol.Al of 0.02-0.08%, N of 0.003-0.008%, B of 0.002%-0.010%, Mn, and balance Fe, has the characteristics that the Mn content is over 0.2%, the overheating degree of molten steel is over 35 deg.C, and the secondary cooling coefficient(K) is 0.1-0.2
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