Steel Bloom Manufactured by Big Blast Furnace

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Steel Bloom Manufactured by Big Blast Furnace

 

1.Structure of  Steel Bloom Manufactured by Big Blast Furnace

 

Steel Bloom Manufactured by Big Blast Furnace is the raw material of all kinds of steel mill. Billet section of square, round, flat, rectangular and abnormity, etc Several, mainly related to shape of rolled products. Simple rolled section steel, choose cross section of square billet or rectangular billet. rolling The sector products such as flat steel, Angle steel, select the rectangular billet or slab. Had better profiled billet when production beams, channels, and in rolling process Lines and improve the yield. The raw material of round billet is the production of seamless tube. 


2.Main Features of  Steel Bloom Manufactured by Big Blast Furnace

Steel Bloom Manufactured by Big Blast Furnace section size should meet the requirements of rolling deformation and finished product quality, but also roll strength and biting condition of restrictions. General steel Billet section height H. And the roll diameter D The ratio of the ( namely H/D) Should be less than or equal to zero 0.5 . Length of steel billet by finishing temperature, Rolling time and the length of the product Or times ruler. When heated too long accident prone to bump the furnace wall of steel, too short, furnace bottom utilization rate is not high, influence the heating furnace production. For the production Choose a variety of steel and steel billet, should consider the affinities of billet, as far as possible in order to improve the productivity of the roughing mill, simplify the stock management of workshop.

 

3.  Steel Bloom Manufactured by Big Blast Furnace Images

 

 

 

Steel Bloom Manufactured by Big Blast Furnace

Steel Bloom Manufactured by Big Blast Furnace

 

 

 

 

4.  Steel Bloom Manufactured by Big Blast FurnaceSpecification

 Steel Billet Manufactured by Blast Furnace  rolled steel, after processing can be used for mechanical parts, forging parts, processing all kinds of steel, steel Q345B channel steel, wire rod is the role of the billet. Steel billet is used in the production of semi-finished products, generally cannot be used directly for the society. Steel billets and steel are strictly divided into standard, cannot decide to whether the business enterprise of the final product, and according to unified standards to perform the whole society. Typically, billet and the steel is relatively easy to distinguish, but for some steel billet, and have the same specification and same steel purposes (such as rolling tube billet), whether can be used for other industries, whether through steel processing process, whether through a finished product rolling mill processing to distinguish

Material standard The editor Range of thickness: 150-240 - mm + / - 5 mm width range: 880-1530 - mm + / - 20 mm Length: 3700-10000 - mm + / - 500 - mm Cross-sectional size: 64 * 64; 82 * 82; 98 * 98; 124 * 124; 120 * 150; 152 * 164; 152 * 170 mm Length: 9000 mm Section of tolerance: billet: 1.0 + / - 2.0-1.0 + / - 1.0 mm slab: width: + / - 2.0 mm thickness: + / - 3.0 mm The length tolerance: + / - 200 mm Section diagonal tolerance: 3.5-8.0 MM Billet section size protrusions requirements: < 1242 mm, do not allow; > = 1242 mm, < = 2 mm 1242 mm, < = 3 mm Beheading (shear) extension deformation: < 1242 mm billet: no control; The slab: < = 15 mm Surface tilt: no more than billet section 0.1 Bending: every 1 m length is not more than 10 mm The distortion: length < = 5 m, < = 11. ; The length of the < = 7.5 M, < = 5. Material % 3 sp/PS chemical composition: C Mn Si S P

 

5.FAQ of  Steel Bloom Manufactured by Big Blast Furnace

 

 

①How about your company?

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel,is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

 

②What is the advantage of the continue Casting steel Bloom comparing to the die casting steel Bloom?

Compared with die casting, continuous casting has the advantages of: 1. To simplify the Steel Bloom The production process 2. Improve the metal yield 3. Improve the quality of the Bloom 4. Reduces the steel worker's labor intensity 5. Save energy and reduce consumption

Steel Bloom is produced by the method of through three processes: It is through the steelmaking system of continuous casting equipment, directly by the molten steel pouring into Bloom; The second is the steelmaking system in the production of steel ingot casting Bloom through system of steel rolling rolling equipment or processing of steel semi-finished products; Three is the steelmaking system production of steel ingot by forging the semi-finished product processing equipment.

 

 

③How about the Q235 Grades?

 

Q235:A、B、C、D(GB700-88)

Q235A:C0.14~0.22% Mn0.30~0.65Si≤0.30S≤0.050P≤0.045

Q235B:C0.12~0.20% Mn0.30~0.670Si≤0.30S≤0.045P≤0.045

Q235C:C≤0.18% Mn0.35~0.80Si≤0.30S≤0.040P≤0.040

Q235D:C≤0.17% Mn0.35~0.80Si≤0.35S≤0.040P≤0.035

 

 

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Q:What does "billet" mean?
Steelmaking and continuous casting of steel products are mainly used for steel rolling, such as round bar, wire rod, sheet metal and so on
Q:Billet production process
Billets are produced by three process methods:First, through the steelmaking system of continuous casting equipment, from the direct pouring of molten steel billet;Two is the steel ingot produced by the steelmaking system or the continuous casting billet processed by the rolling equipment of the steel rolling system, and the three is the semi-finished product processed by the forging equipment of the steel ingot produced by the steelmaking system.
Q:Which is good for pure iron billet?
Stainless steel, pure iron, military pure iron and industrial pure iron products have to choose the enterprises of good quality and excellent after-sale service. These problems must be taken into consideration in the process of purchasing.
Q:How are the billets classified?
According to the specifications are divided into: billets, billets, round billet, rectangular billet and slab. According to the steel grade: Q235, Q195, GCr15 and so on........................
Q:Difference between billet, slab and billet
Steel billet is a product made by steel-making furnace by casting. The billet can be divided into two kinds from the manufacturing process, mould blank and continuous casting billet. At present, the casting process has been basically eliminated. The classification is mainly divided into two kinds: slab: large cross section, high ratio, mainly used for rolling plate. Billet: cross section width, height equal, or difference is not big, mainly used for rolling steel, wire. Use billet is steel, through processing can be used as mechanical parts, forgings, processing all kinds of steel, steel, Q345B, channel steel, wire is the role of billet. Billet is used for the production of semi-finished steel products, generally can not be used directly for society. Billet and steel are strictly divided into standard, and can not be determined by the final product of the enterprise, but should be carried out according to the uniform standard of the whole society. Usually, billet and steel is relatively easy to distinguish, but for some billets, with the same specification and the same purpose (such as rolling and steel tube), whether for other industries by use, whether through steel processing process, whether after finishing mill processing to distinguish. Continuous cast steel square and rectangular billets are mainly made of plain carbon steel, low carbon and low silicon cold rolled material, high quality carbon structural steel, low alloy high strength steel, special steel and so on.
Q:Who knows the diamond is?Who knows the diamond is carbon? Is it C60?
It is also called the diamond diamond, crystal, it is not the molecules themselves, so the formula does not apply to.C said it is only by this kind of carbon elements. While C60 is footballene is another matter, the 60 is because it is a molecular crystal, each molecule consists of 60 carbon.
Q:Is the reaction of carbon and carbon dioxide a redox reaction?
According to the increase or decrease of the oxidation number, the redox reaction can be split into 2.5 reactions: the half reaction of increasing oxidation number is called the oxidation reaction, and the reaction of reducing the oxidation number is called the reduction reaction.In the reaction, the oxidizing substance, called the reducing agent, forms the oxidation product. The reducing reaction substance is called the oxidant, and the reduced product is produced. The oxidation product is oxidized but weaker than the oxidant; the reducing product is reductive but weaker than the reducing agent.Whether a chemical reaction belongs to an oxidation-reduction reaction depends on whether the reaction has an increase in the number of oxidation, or whether there is an electronic gain or loss.Turn left and turn right |In this reaction, carbon dioxide carbon has a valence of +4 price, after the reaction of carbon monoxide in the carbon price is +2, the carbon dioxide is reduced to carbon monoxide; elemental carbon has a valence of 0 by the price to rise to +2 price, is oxidized to carbon monoxide; carbon is oxidized to carbon dioxide reduction.
Q:If the casting speed is not steady, what will happen to the billet?
First of all, the probability of slag circle, dimple, crack and blowhole on the surface of the billet will increase, and the slag inclusion in the slag will increase, which will affect the internal and surface quality of the slab.
Q:What is the difference between steel and billet in the process?
Square is a square steel hollow, with iron produced; but it is a square steel billet is generally solid, forging or casting molding.
Q:The reason for the blowhole in the billet to be pulled out by the continuous casting machine is 100
Production: 1 steel and 2 steel alloy or damp; for ladle lining refractory and no baking; otherwise the whole section are 3 billet bubble deposit if the situation is steel quality problems and the main problems of alloy billet; if the bubble is mainly between now and the relationship between process equipment (including continuous casting are clearly some problems of continuous casting machine the parameters of a)

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