Table 1.

Chemical composition of steel after vacuum degassing, before and after the addition of mischmetal, heat A [wt.%]. * Oxygen activity was measured by CELOX^®, hydrogen by HYDRIS^®.

Before/After REM Add	C	Mn	Si	P	S	Cu	Ni	Cr	Mo	Al	Ce	H *	T [°C]	ao *
Before	0.42	0.69	0.26	0.008	0.001	0.13	0.19	1.02	0.16	0.023	–	0.000094	1596	0.000385
After	0.42	0.70	0.26	0.007	0.001	0.13	0.19	1.03	0.16	0.024	0.035	N/A	1573	0.000120