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Red Magnesia Chrome Refractory Bricks for Non-Ferrous Metal Production Facilities

$Henan Hongtai Kiln Refractory Co.,Ltd.$

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Red Magnesia Chrome Refractory Bricks for Non-Ferrous Metal Production Facilities

$Red Magnesia Chrome Refractory Bricks for Non-Ferrous Metal Production Facilities$

Country/Region	china
City & Province	zhengzhou henan
Categories	Bath & Toilet

Product Details

Product Description

Chrome-magnesia brick

Chrome-magnesia brick is an alkaline refractory material made by firing chromite and magnesia. The main composition is chromium oxide and magnesium oxide. Good thermal stability, refractoriness above 2000℃. The performance of resistance to sudden changes in temperature and resistance to alkaline slag is better. It is used for the lining of steel-making open-hearth furnaces, steel-making electric furnaces, non-ferrous metal smelting furnaces, cement rotary kilns, etc.

Classification of Magnesia Chrome refractory Brick

(1) Ordinary Magnesia Chrome refractory Brick
(ie silicate combined Magnesia Chrome refractory Brick), this kind of brick is made of chrome ore and magnesia with more
impurities (SiO2 and CaO). The firing temperature is not high, around 1550°C.
(2) Directly bonded Magnesia Chrome refractory Brick
are made of chromium concentrate with low impurity content and relatively pure magnesia. The firing temperature is above 1700°C.
The structural feature of this kind of refractory brick is that the refractory crystal grains are mostly in direct contact.
(3) Recombined Magnesia Chrome refractory Brick
are combined with Magnesia Chrome refractory Brick. Magnesia Chrome refractory Brick made from artificial synthetic raw materials
co-sintered magnesia chromium materials or fused magnesia chromium materials (or partly fused magnesia) are called recombined
Magnesia Chrome refractory Brick.
(4) Semi-recombined Magnesia Chrome refractory Brick
which are made of artificial synthetic raw materials as granules, and chromium concentrate and magnesia as fine powder, should be
called semi-recombined magnesia-chrome bricks.
(5) Casting Magnesia Chrome refractory Brick
are made of magnesia and chrome ore with a certain amount of additives, mixed, compacted and bisque-fired, broken into pieces,
melted in the electric arc furnace, injected into the mold, and annealed to produce master bricks

An alkaline refractory made of chromite and magnesia. The main composition is chromium oxide and magnesium oxide. Good thermal stability, refractoriness above 2000℃. The performance of resistance to sudden changes in temperature and resistance to alkaline slag is better. It is used for the lining of steel-making open-hearth furnaces, steel-making electric furnaces, non-ferrous metal smelting furnaces, cement rotary kilns, etc. Like magnesia chrome brick, it is a refractory product with spinel and periclase as the main crystal phase. The performance is between chromium refractories and magnesia chromium refractories. Using chromium ore and sintered magnesia as raw materials, a composite alkaline refractory brick containing 18%-30% of chromium oxide and 25%-55% of magnesium oxide is made according to an appropriate ratio. Generally, those with less than 50% chromium ore added are called magnesia chrome bricks, and those with more than or equal to 50% are called chrome magnesia bricks. In addition to sintered chrome-magnesium bricks fired in a weakly oxidizing atmosphere, its products can also be made into unfired bricks, fused-cast bricks, fused and combined chrome-magnesium bricks and bulk materials. It can be used for the lining of converters, induction furnaces, non-ferrous metal smelting furnaces, side walls of electric arc furnaces, open hearth furnaces, soaking furnaces, etc. When the ratio of chromium ore and sintered magnesia is 50% each, the product has the greatest thermal shock resistance, sometimes called thermal shock stable chrome magnesia brick, which is mainly used as an alkaline open-hearth top brick.

Specification

Item	Unit	DMC-40	DMC-20	DMC-12A	DMC-12B	DMC-8A	DMC-8B
Mgo(≥)	%	30	60	70	65	70	70
Cr₂o₃(≥)	%	10	20	12	12	8	8
Sio₂(≤)		1	1	1	3	2	3
Bulk Density(≥)	g/cm³	3.3	3.15	3.05	3	3	3
Apparent porosity	%	16	16	18	20	18	20
Cold crushing strength(≥)	MPa	40	40	40	35	40	35
Refractoriness under load(≥)	℃	1700	1700	1650	1600	1650	1600
Termal shock resistance(≥)		40	40	40	40	40	40

Packing & Delivery

Packaging of powder shape or raw material products
1. 1 ton bags in container, 25 MT/20 'FCL.
2. 25 kg bags in container, 25 MT/20 'FCL
3. 25 kg bags in ton bags, then in container, 25 MT/20 'FCL
4. as the customer' request
Packaging of Bricks
1.on wooden pallets with plastic cover: wooden pallet size :930*930 or 1000*1000 mm,
2.Load weight of each pallet: 1.5-2.0 tons.

Shipping
1.Our packaging is as per customer’s request
2.Normal goods delivered by sea transport
3.Sample shipping by express
4.We will shipping and delivery goods timely, quality and quantity guaranteed, and also in accordance with the contract and customer's requirement completely.

Delivery:
15-30 days working day for large quantity. The shipment we will arrange as soon as possible. Of course, if it is a custom
products, the shipping time will delay.
Sample:
Usually by EMS, DHL, UPS, TNT, FedEx. Anyway you like. Bulk order: Usually by sea.
Payment:
It can be through T/T, L/C at sight. The specific terms determined according to the quantity of the goods, etc.
Your inquiry related to our product & price will be replied within 24 hours.
Export:
Our products have been exported to many countries: Australia, Chile, USA, Russia, UK, Indonesia, etc., good quality have be
approved by our clients.

Company Profile

Henan HongTai kiln refractory co., LTD. Main products are high alumina brick, clay brick, fused zirconium corundum brick, fireproof ball lightweight insulation brick, wear-resistant pouring material, corundum pouring material, low cement high strength pouring material, impermeable material, self-flowing material, plastic material, and various types of refractory materials.For different industries, the cement industry with anti-flaking high-alumina bricks, alkali resistant bricks, phosphate bricks;Boiler industry USES all kinds of brand wear-resisting brick, corundum brick, mullite brick and other finalizing materials.The company insists on "product quality is the life, enterprise integrity is the foundation", in the fierce market competition, won many users' trust and praise.The products are sold all over the country, as far as Vietnam, India, South Korea, Pakistan, Kazakhstan and other southeast Asian countries and regions.

Henan HongTai kiln refractory co., LTD. : "quality first, reputation first, customer first: it is our aim."Scientific management, strong technical force, perfect testing means, advanced technological equipment and stable product quality are the guarantee of quality service. Henan HongTai kiln refractories co., LTD sincerely hopes to cooperate with you hand in hand and in good faith.

Why Choose Us

1.Strong professional:
Our company has thirty years producing experience in refractory products. Our manager will supervise on a various refractories production materials, process control, quality supervision and package delivery, and ensure the products are 100% qualified.
2.Annual supply:
Our company has passed ISO 9001 quality management system certification and SGS certification. And the annual supply of shaped and unshaped refractory product is 28, 800-35, 000 tons.
3.Export experiences:
Now we have gained a global sales network reaching Russia, South Korea, Vietnam, Pakistan, Bulgaria, France, India, Egypt, Congo, Angola, South Africa etc.
4. Production equipment:
Production and testing equipment are new, complete and automated or semi- automated. Such modern facilities and equipment have provided the fine technical guarantee for the production and testing.
5. Testing equipment:
Our company's testing equipment as follows:
High Temperature RUL. Tester
Bulk Density Tester
The Pressure Tester
Refractoriness Tester
Our competitive Advantage:
1.Competitive Price. Make the products competitive in your market.
2.Quick Response:We promise quick response at the very first moment when we received your request. 3.Superior Customer Service:The company provides after sales service ensuring customer’s satisfactions,we believe in Long term partnership bringing loyalty.
4.We had been on this filed for many years and we have our own research team,the production process could be controlled strictly.
5.We have developed stable customer base overseas and kept long-term cooperation.

FAQ

1. How can you control your quality?
For each production processing, we have complete QC system for the chemical composition and Physical properties. After production,
all the goods will be tested, and The quality certificate will be shipped along with goods.
2. What's your delivery time?
It usually needs about 15 days- 30 days after receiving the deposit.
3.Do you have any experiences of export?
Yes,and Now we have gained a global sales network reaching Taiwan, Russia, Korea, Vietnam, Pakistan, Bulgaria, French, India,
Congo, Angola, South Africa, and so on.
4. Do you provide free samples?
Yes, we can provide a free sample for testing, If we have sample in stock, The quantity based on the material type, The buyer should bear all the shipping costs.
5. Can we visit your Company?
Yes, certainly. You are very welcome to China and we will be honored to have a customer and friend.

Hot Products

$Red Magnesia Chrome Refractory Bricks for Non-Ferrous Metal Production Facilities$

Contact Us

Henan Hongtai Kiln Refractory Co.,Ltd.

Red Magnesia Chrome Refractory Bricks for Non-Ferrous Metal Production Facilities

Product Details

Chrome-magnesia brick

Classification of Magnesia Chrome refractory Brick

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