Iron Hook Castable

Iron Hook Castable

Castables for iron trough are designed by targeting at the different part and the service condition of the iron runner of large and medium blast furnace. The products are formed by employing the principle of castable of low and ultra low cement and by using different types of corundum and carborundum as main material, and by applying multiple types of micropowder, additive, and binding agent. The product has such advantages as small amount of water during construction, high liquidity, high strength, resistance to erosion, washing and oxidation and high stability. It is applicable to large and medium-sized blast furnace with two tapping channels. The tapping quantity at one time can be roughly 200,000 tons.

 

Performance index on castables for iron trough

 

Physicochemical indexes LMM-11A LMM-11B LMM-12A LMM-12B LMM13
Chemical component

(%)≥

AL2O3

 

80 65 70 60 80
SiC 10 20 10 20 10
Volume density (g/cm3) 110°Cx24h 3.00 2.8 2.80 2.65 2.90
1450°Cx3h 2.90 2.7 2.70 2.60 2.80
Breaking strength in normal temperature

(MPa)≥

110°Cx24h 10 6 8 4 8
1450°Cx3h 10 10 10 6 10
Compression strength in normal temperature

(MPa)≥

110°Cx24h 50 30 30 20 50
1450°Cx3h 70 50 60 40 80
Change of permanent line upon heating (%) 1450°Cx3h 0~0.5 0~0.5 0~0.5 0~0.5 0~0.5
Purpose Castable of main channel Slag line Slag runner
Molten iron line Slag line Molten iron trough Slag runner

 

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lmme-business@lmmgroup.com.cn

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As professional one-stop solution provider, LIAONING MINERAL & METALLURGY GROUP CO., LTD(LMM GROUP) Established in 2007, and focus on engineering research & design, production & delivery, technology transfer, installation & commissioning, construction & building, operation & management for iron, steel & metallurgical industries globally. 

Our product have been supplied to world’s top steel manufacturer Arcelormittal, TATA Steel, EZZ steel etc. We do OEM for Concast and Danieli for a long time

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