Hubei Zhongnai New Material Technology Co., Ltd.

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Magnesium-carbon and aluminum-magnesium-carbon bricks for steel ladles

Gs series magnesium carbon brick adopts high purity, high density magnesium sand, large crystallization magnesium sand and high purity scale graphite as the main raw material, add appropriate amount of antioxidant, with phenolic resin as the binding agent, produced by high pressure molding process. It has the advantages of good slag resistance, high strength, good thermal shock stability and strong arc impact resistance. Applicable to refining ladle or large steel ladle slag line parts. Different grades of magnesium carbon bricks can be selected according to different smelting conditions and steel types.

Key words:

Magnesium-carbon and aluminum-magnesium-carbon bricks for steel l

Classification:

Refractory materials for metallurgical industry

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Product Introduction

Gs series aluminum-magnesium-carbon bricks are made of corundum, special high alumina bauxite, high purity magnesium sand and high purity scale graphite as the main raw materials, and phenolic resin as the bonding agent, and are produced through high-pressure molding and low-temperature baking process. With good thermal shock stability and slag resistance, it is suitable for the wall and bottom parts of large and medium-sized ladle.

Type		GS- MT- 10	GS- MT- 14	GS-SPC- 1	GS-SPC-2	GS-AMC	GS- MAC
chemical composition(%) ≥ Chemical analysis	Al2 O3	-	-	60	70	65	15
	MgO	78	75	15	10	10	70
	C	10	14	7	7	7	8
AP (%) ≤		5	4	10	10	11	10
BD (g/cm³) ≥		2 . 85	2 . 80	2 . 70	2 . 80	2.75	2.80
CCS ( Mpa) ≥		50	70	80	85	60	55
PLC (%)	1550℃ × 3 h	-	-	0 ~ +1.0	+0. 5 ~ +2.0	0 ~ +1.0	+0. 5 ~ +2. 5
HMOR ( Mpa) ≥ ( 1400℃ ×0. 5 h, C embedded)		6	8	6	6	6	7