Silicocalcium
To GOST 4762-71

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Used to deoxidize steels and alloys and to modify cast iron.

Chemical composition

Grade	Chemical composition, %
	Ca	Si	Al	C	P
	min		max
СК15	15	45	1,0	0,2	0,02
СК20	20	45	1,0	0,5	0,02
СК25	25	50	2,0	0,5	0,2

Used in lumps of 5-100 mm, packed in steel drums.
Density 2,5-3,0 g/cm³.
melting point 900-1100 °C.

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