International Standard CrO Content Graphitized Petroleum Coke for Carbon Additive

China refractory manufacturer factory abrasive Graphitized Petroleum Coke Graphite Carbon Additive High Carbon Recarburizer

In the smelting process of iron and steel products, due to factors such as smelting time, holding time, and longer overheating time, the smelting loss of carbon in the molten iron increases, resulting in a decrease in the carbon content in the molten iron. The carbon content in molten iron cannot reach the theoretical value expected for refining.The carbon-containing substances added in order to make up for the carbon content burnt in the steel smelting process are called recarburizers.

The fixed carbon content of the recarburizer must not be too low, otherwise, to reach a certain carbon content, it is necessary to add more than the high-carbon recarburizer, which will undoubtedly increase the amount of other unfavorable elements in the recarburizer , So that the molten iron cannot obtain better returns.

The main raw material for manufacturing artificial graphite is powdered high-quality calcined petroleum coke, in which pitch is added as a binder, and a small amount of other auxiliary materials are added. After the various raw materials are matched, they are pressed into shapes, and then processed in a non-oxidizing atmosphere at 2500-3000°C to make them graphitized. After high temperature treatment, the ash, sulfur and gas content are greatly reduced.
Due to the high price of artificial graphite products, artificial graphite recarburizers commonly used in foundries are mostly recycled materials such as chips, waste electrodes and graphite blocks when manufacturing graphite electrodes to reduce production costs.
When smelting ductile iron, in order to make the metallurgical quality of the cast iron superior, artificial graphite should be the first choice for the recarburizer.

Petroleum coke is currently a widely used recarburizer.
Petroleum coke is a by-product of refining crude oil. Residues and petroleum pitches obtained by crude oil distillation under pressure or vacuum can be used as raw materials for making petroleum coke. After coking, raw petroleum coke can be obtained. The production of raw petroleum coke is less than 5% of the crude oil used. The annual output of raw petroleum coke in the United States is about 30 million tons. The raw petroleum coke has a high content of impurities and cannot be used directly as a recarburizer. It must be calcined first.

Raw petroleum coke comes in spongy, needle, granular and fluid forms.

 

 

Coke and anthracite
In the process of electric arc furnace steelmaking, coke or anthracite can be added as a recarburizer during charging. Due to its high ash and volatile content, induction furnace smelting cast iron is rarely used as a recarburizer.

Artificial Graphite Graphitized Petroleum Coke Graphite Carbon Additive High Carbon Recarburizer

China refractory manufacturer factory abrasive Graphitized Petroleum Coke Graphite Carbon Additive High Carbon Recarburizer

 Graphited  recarburizer

Petroleum coke recarburizer

Packaging of Graphitized Petroleum Coke Carbon Additive High Carbon Recarburizer

1. 1 ton bags in container, 25 MT/20'FCL.

2. 25kg bags in container, 25 MT/20'FCL
3. 25kg bags in ton bags, then in container, 25 MT/20'FCL
4. as the customer' request

Shipping of Graphitized Petroleum Coke Carbon Additive High Carbon Recarburizer

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. 
Your inquiry related to our product & price will be replied within 24 hours.

       Henan hongtai kiln refractory co., LTD. Is well aware that there are thousands of demands from customers, which can be summarized in four aspects: reliable quality, timely delivery, reasonable price and considerate service.The company will continue to adhere to the corporate spirit of "contributing to society and serving customers" and the business philosophy of "mutual benefit, win-win, integrity, efficiency, preciseness and responsibility".Our company is willing to develop a wide range of technical exchanges with colleges and universities and colleagues from all walks of life at home and abroad in a flexible and diversified way.

      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" 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.

China refractory manufacturer factory abrasive Graphitized Petroleum Coke Graphite Carbon Additive High Carbon Recarburizer

1. Strong professional: 
Our company has thirty years producing experience in refractory products. Our manager will supervise on a various refractorys production materials, process control, quality supervision and package delivery, and ensure the products are 100% qualified. 
2.Annual supply: 
Our company has passed ISO9001 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 Taiwan, Russia,  Korea, Vietnam, Pakistan, Bulgaria, French, India, Egypt,Congo, Angola, South Africa, and so on.
4. Production equipment: 
Production and testing equipments are new, complete and automated or semi- automated. Such modern facilities and equipments have provided the fine technical guarantee for the production and testing. 
5. Testing equipment: 
Our company's testing equipments as follows: 
High Temperature RUL Tester
Bulk Density Tester
The Pressure Tester
Refractoriness Tester