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The products of LMM Group have been exported to more than 90 countries, countries & areas in America, Europe, Southeast Asia, the Middle East, Africa, Asia, etc, forming strong and core competitiveness in steelmaking, continuous casting, rolling areas to supply high value-added, green, intelligent and one-stop solution and service to global customers in iron, steel, metallurgical industries, etc.
LMM product segment
Please provide design data for special processing requirements
Magnesia chrome brick with magnesium oxide (MgO) and chromium trioxide (Cr2O3) as the main components, this kind of brick has high refractoriness, high temperature strength, strong resistance to alkaline slag erosion, excellent thermal stability, acid slag also has a certain adaptability.
Application: Refining Processes, Sintering Zone of Rotary Kiln, Nonferrous metals, Ferralloy, Glass furnace
Manufacture capacity: 50,000MT/year
Lead time (days)：30days
Certification: SGS,ISO9001, ISO14001 and Test Report,also we could apply other necessary certification.
Accept customization: We have own factory and excellent technical team, and we accept OEM service.
Packaging: according to customer service requirements
payment methods: T/T, L/C, DP/DA
MgO-Cr2O3 Brick for Refining Processes
Refractories for secondary refining is based on the advanced technology of YOTAI REFRIACTORIESCO.LTD.(Japan). Our innovated products have the characteristic high resistance to both of corrosion and spalling. They are most suitable for AOD,VOD, FH furnaces etc.
| Unit | Semi-Rebonded MgO-Cr2O3 Brick | Dirdct-bonded MgO-Cr2O3 Brick | ||
| LMM-BDMGE-10 | LMM-RRR-DBS-HNY | LMM-RRR-U34LM-2NY | ||
Apparent Porosity | % | 17.0 | 18.0 | 19.0 | |
Bulk Density | g/cm3 | 3.15 | 3.12 | 3.05 | |
Cold Crushing Strength | MPa | 50 | 40 | 40 | |
Refractoriness Under Load T2 | ℃ | 1700 | 1700 | 1700 | |
Chemical Composition | MgO | % | 65 | 55 | 60 |
Cr2O3 | 20 | 20 | 16 | ||
| Unit | MgO-Cr2O3 Brick | Dirdct-bonded MgO-Cr2O3 Brick | |||||
| LMM-MGe-10 | LMM-MGe-9 | LMM-MGe-8 | LMM-DMC-12 | LMM-DMC-10 | LMM-DMC-8 | ||
Apparent Porosity | % | 19.0 | 19.0 | 19.0 | 17.5 | 17.5 | 18.0 | |
Bulk Density | g/cm3 | 2.96 | 2.96 | 2.95 | 3.02 | 3.00 | 2.98 | |
Cold Crushing Strength | MPa | 40 | 40 | 40 | 45 | 45 | 45 | |
Refractoriness Under Load T2 | ℃ | 1580 | 1580 | 1580 | 1700 | 1700 | 1680 | |
Thermal Shock Resistance(1100℃-water) | Cycles | 5 | 5 | 5 | 6 | 6 | 6 | |
Chemical Composition | MgO | % | 70 | 70 | 72 | 70 | 75 | 77 |
Cr2O3 | 10 | 9 | 8 | 12 | 10 | 8 | ||
MgO-Cr2O3 Brick
A kind of silicate-combined basic firebrick fit for dry cement rotary kiIn less than 2000t/d in capacity
| Unit | Dirdct-bonded MgO-Cr2O3 Brick | |||
| LMM-RRR-U38 | LMM-RRR-U36T | LMM-RRR-U34 | ||
Apparent Porosity | % | 17.5 | 18.0 | 18.0 | |
Bulk Density | g/cm3 | 3.03 | 3.00 | 3.00 | |
Cold Crushing Strength | MPa | 45 | 40 | 40 | |
Refractoriness Under Load T2 | ℃ | 1700 | 1700 | 1680 | |
Thermal Shock Resistance(1100℃-water) | Cycles | 6 | 6 | 5 | |
Chemical Composition | MgO | % | 76 | 75 | 76 |
Cr2O3 | 10 | 10 | 10 | ||
A kind of basic bricks made from purer raw materials, shaped with high pressure and sintered under high temperature
MgO-Cr2O3 Brick Nonferrous metals
Basic brick for non-ferrous metals industries.
Basic brick for non-ferrous metals industries is made of dead burned magnesia and purified chrome ore. The process of high-pressure press machine and ultra high temperature tunnel kiln manufactures them. This product has good resistance to both of corrosion and volume change at high temperature. They are widely used in non-ferrous metal factory and various high-temperature furnaces.
| Unit | Semi-Rebonded MgO-Cr2O3 Brick | Dirdct-bonded MgO-Cr2O3 Brick | |||
| LMM-RRR-DB-ERTNY | LMM-RRR-RDNY | LMM-RRR-U36TNY | LMM-RRR-U34NY | ||
Apparent Porosity | % | 18.0 | 17.0 | 18.0 | 18.0 | |
Bulk Density | g/cm3 | 3.03 | 3.05 | 3.00 | 3.00 | |
Cold Crushing Strength | MPa | 40 | 45 | 40 | 40 | |
Refractoriness Under Load T2 | ℃ | 1700 | 1700 | 1700 | 1680 | |
Chemical Composition | MgO | % | 69 | 70 | 75 | 75 |
Cr2O3 | 15 | 13 | 10 | 10 | ||
| Unit | MgO-Cr2O3 Brick | |||||
| LMM-MGe-10 | LMM-MGe-9 | LMM-RRR-ANY | LMM-RRR-CNY | LMM-RRR-DNY | ||
Apparent Porosity | % | 19 | 19 | 20 | 19 | 19 | |
Bulk Density | g/cm3 | 2.96 | 2.96 | 2.98 | 2.98 | 2.96 | |
Cold Crushing Strength | MPa | 40 | 40 | 35 | 40 | 40 | |
Refractoriness Under Load T2 | ℃ | 1580 | 1580 | 1580 | 1580 | 1560 | |
Chemical Composition | MgO | % | 68 | 70 | 480 | 62 | 75 |
Cr2O3 | 12 | 10 | 21 | 13 | 9 | ||
MgO-Cr2O3 Brick for Ferralloy
| Unit | MgO-Cr2O3 Brick | |
| LMM-DMC-T8 | ||
Apparent Porosity | % | 17 | |
Bulk Density | g/cm3 | 2.98 | |
Cold Crushing Strength | MPa | 40 | |
Refractoriness Under Load T2 | ℃ | 1680 | |
Thermal Shock Resistance(1100℃-water) | Cycles | 5 | |
Chemical Composition | MgO | 74 | 74 |
Cr2O3 | 8 | ||
MgO-Cr2O3 Brick for Glass furnace
| Unit | Dirdct-bonded MgO-Cr2O3 Brick | MgO-Cr2O3 Brick | ||||
| LMM-DMC-12 | LMM-DMC-10 | LMM-RRR-U34 | LMM-MGe-10 | LMM-MGe-8 | ||
Apparent Porosity | % | 17.5 | 17.5 | 18.0 | 19.0 | 19.0 | |
Bulk Density | g/cm3 | 3.02 | 3.00 | 3.00 | 2.96 | 2.95 | |
Cold Crushing Strength | MPa | 45 | 45 | 40 | 40 | 40 | |
Refractoriness Under Load T2 | ℃ | 1700 | 1700 | 1680 | 1580 | 1580 | |
Chemical Composition | MgO | % | 70 | 75 | 75 | 70 | 72 |
Cr2O3 | 12 | 10 | 10 | 10 | 8 | ||
Our company inherets the advanced technology,management experience and quality control from YOTAl.
We manufacture various high-quality refractory products according to the clients’ needs,and to ensure the stability and accountability of the quality, we track and control the full manufaturing process through a variety of physical and chemical analysis.
— Raw materials
located at “Magnesium city”of China, we have material location advantage
— Technology
Japanese technology & management
— Equipment
• 1 set 2100 tons automatic hydraulic press
• 2 sets 1850C Tunnel Kiln annual production capacity: 80000 tons
— Experience
we supplied to Greece, Bulgaria, Ukraine, Mexico etc.. we can also do OEM for you
Certification
The company strictly according to modern enterprise management requirements set up a perfectquality assurance system, and passed the ISO9001:2008 quality management system certification,ISO14001:2004 environmental management system certification, OHSAS18001:1999 occupationalhealth and safety management system certification.
Service Display
Pre-sales:
recommend suitable products according to the actual working conditions and needs of customers.It can also bedeveloped and designed according to needs, and customized services can be provided. During the epidemic, provide remote detection technical support
Strict quality control:
From raw materials, to the production process and befor eleaving the factory, all performance indicators arestrictly tested, and the professional QC team controls according to the process.
After-sales service:
Quality assurance and Resolution of any issues that arise
FQA
Q1. What business does your company have?
A. The company is mainly engaged in:
Various refractory materials production, research and development, kiln design, masonry construction. Provide comprehensive technical support and after-sales service for cement rotary kiln, non-ferrous metal smelting, waste disposal, glass kiln and other industries with refractory materials.
Q2. What products do you have?
A. Company main products: MgO-C Brick、MgO Brick、MgO-Cr2O3 Brick、MgO-Al2O3-ZrO2 Brick，MgO-Al2O3 Spinel Brick, Al2O3-C Brick, Al2O3- MgO-C Brick, Fused MgO Brick, MgO Castable, High alumina castable, Slide gate plate, Nozzle, Precast-block, Ladle shroud, Monolithic Stoppers series.etc
Q3. Which countries are you cooperating with?
A. Nearly 100 customers have established cooperative relations and have been providing customers with the best quality service. LMM have been supplied to world’s top steel
Q4. How to guarantee the quality of your products?
A. We have established strict production processes and inspection standards, and we have established a professional QA and QC department to ensure that the products delivered by the factory meet the customer’s technical indicators and related regulations.
Q5. Can you provide samples?
A. We can provide you with samples and delivery services, we will charge a certain sample and shipping costs, samples and shipping fees can be reduced in bulk orders later!
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
Continuous casting series：
Smart Steel Plant series：
