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[China]
Trade Verify
Address: 11th Floors, Building 6, China Central Electronic Commerce Port, Daxue Road, Zhengzhou, Henan, China
Contact name:Jacky Han
Henan Rongsheng Xinwei New Materials Research Institute Co., Ltd |
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Verified Suppliers
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High Quality Magnesia Calcium Brick Refractory Bricks For Steel Making
Rongsheng supplying a comprehensive range of Mag Calcium Brick(Dolomite Brick). Mag Calcium Brick is mainly used as lining material for AOD furnace, VOD furnace and LF furnace in steel making industry.
Product Specification of High Quality Magnesia Calcium Brick
| Type | LKMG15 | LKMG20 | LKMG25 | LKMG30 | LKMG40 | LKMG50 | |
| MgO(%) | 80.3 | 76.3 | 70.3 | 66.3 | 56.3 | 43.3 | |
| CaO(%) | 17 | 21 | 27 | 31 | 41.0 | 54 | |
| Al2O3(%) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | |
| Fe2O3(%) | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | 0.7 | |
| SiO2(%) | 1.3 | 1.3 | 1.3 | 1.3 | 1.2 | 1.3 | |
| Bulk density(Kg/m3) | 3030 | 3030 | 3030 | 3030 | 3000 | 2930 | |
| Apparent porosity% | 13 | 12 | 12 | 13 | 13 | 12 | |
| Cold Crushing Strength (MPa) | 80 | 90 | 80 | 80 | 80 | 70 | |
| Refractoriness Under Load 0.2MPa℃ | 1700 | 1700 | 1700 | 1700 | 1700 | 1700 | |
| Rupture strength (Mpa) | 2.5-4.5 | 2.5-4.5 | 2.5-4.5 | 2.5-4.5 | 2.5-4.5 | 2.5-4.5 | |
| Reheat test,Permanent linear change (%) | – | – 0.35 | – | – 0.61 | – | – | |
| Thermal conductivity(W/m.k)-1 | 3~4 | 3~4 | 3~4 | 3~4 | 3~4 | 3~4 | |
| Thermal expansion(%) | 800℃ | 0.8~1.0 | 0.8~1.0 | 0.8~1.0 | 0.8~1.0 | 0.8~1.0 | 0.8~1.0 |
| 1200℃ | 13.5~1.6 | 13.5~1.6 | 13.5~1.6 | 13.5~1.6 | 13.5~1.6 | 13.5~1.6 | |
| 1200℃ | 1.8~2.0 | 1.8~2.0 | 1.8~2.0 | 1.8~2.0 | 1.8~2.0 | 1.8~2.0 | |
