Table 2.

Phase structure of non-metallic inclusions [vol.%].

Technological Process	Statistical Parameter	Al2O3	SiO2	MnO	MgO	CaO	FeO	Cr2O3
E	arithmetic average	41.7	14.4	7.10	7.9	9.3	8.7	10.5
	standard deviation	2.01	1.68	1.95	1.75	1.27	2.97	2.08
EA	arithmetic average	39.3	13.2	8.5	9.7	10.3	9.6	9.1
	standard deviation	2.06	1.45	2.26	0.82	1.57	2.25	1.25