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:Reasons and treatment methods of billet stripping in continuous casting
The main reason for the stripping is that the slab is not uniformly cooled in the mold, which results in uneven thickness of the shell, which results in uneven shrinkage, which leads to the unevenness of the billet. If the mould outlet, two cold area is uneven, the shell support is not full, it will make breaking-off intensified;
Q:Fish pole carbon cloth tcf. Vcf. Svf. Hcf. On behalf of what?
CF: is the abbreviation of Carbon Fiber in English, which means carbon fiber in ChineseCarbon fiber index for T (ton), ordinary carbon cloth is generally 20T-30T.Domestic ordinary carbon fishing rod material is generally 24T carbon fiber cloth. The higher the T value, the higher the strength and elasticity of the material.
Q:Is the reaction of carbon and carbon dioxide a redox reaction?
Is the redox reflect the oxidizing agent is CO2 C 2009-10-22, the reducing agent is the oxidizing agent is CO2, is C 2009-10-22 reductant is redox reaction. Price reduction in carbon dioxide carbonation, was reduced, so is the oxidant.
Q:Difference between medium frequency continuous casting billet and electric furnace continuous casting billet
In general, the difference between medium frequency furnace steelmaking and electric arc furnace steelmaking:1, intermediate frequency furnace slag can not, so the harmful elements such as P, S and other elements can not be removed, and the electric arc furnace can;2, if not blowing furnace carbon reduction, so C elements cannot be adjusted downward, and the arc furnace can only increase;
Q:Billet rolling temperature
Typically, the temperature decreases gradually during rolling (a small amount of high speed wire has a temperature rise process), usually above 750 degrees, and can reach 600 degrees or even lower
Q:How many tons of billets does it take to produce a ton of thread steel?
Domestic steel manufacturers, production rate of about 97%, so probably need 1/97%=1.03 tons. The yield was increased, consumption will be reduced.
Q:Who knows that the steel bar is always on the one side,
The rolling process of rolling mill of hot rolling and cold rolling process for the two step: a hot rolling process: from out of billet steel plant is only semi-finished products, to the rolling mill for rolling, in order to become a qualified product.
Q:Billet heating furnace prices?
Look at the video case, you can consult the advisory.
Q:What does the billet of the steel plant refer to?And steel what is the difference?
The main deformation of reinforced by ribs, binding capacity larger and concrete, so it can better withstand external force. Steel is widely used in all kinds of building structure, especially for large, heavy, light and thin wall structure of high-rise building.
Q:How can carbon and carbon in a fishing rod be distinguished?
When it comes to the differentiation of carbon fishing rods, first of all, what are the different kinds of fishing rods containing carbon?!Carbon rod is now sold in the market are divided into three kinds, namely: carbon, pure carbon, high carbon. These three categories.1, carbon packaging, as its name implies, two layers of material, the outside layer is carbon cloth, the inside layer is glass fiber, epoxy cloth. The price of this kind of rod is lower, because it is not necessary to buy a brand because of the lower price. With a few times you can change, for beginners.2, pure carbon refers to the overall use of 30T below carbon cloth fishing rod, general 24T, 30T based, carbon content of more than 98%. Moderate price.3, high carbon refers to the overall use of more than 30T carbon cloth fishing rod, but not the whole fishing rod is made of a carbon cloth. The tonality of a fishing rod is actually modulated by a different modulus of carbon cloth.Some fishing overall with the 30T following carbon cloth, just use a very small amount of 40T or 46T carbon cloth, called high carbon rod, is actually confuse the public practice of fishing by weighing, hand identification, high carbon rod with real light, hard, two rods in a play, a ratio is obvious.

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