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Alloyed Steel Billet/Bloom by Continue Casting Blast Furnace
1.Structure of Alloyed Steel Billet/Bloom by Continue Casting Blast Furnace
Continue Casting Steel Billet Manufactured By Blasting 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 Alloyed Steel Billet/Bloom by Continue Casting Blast Furnace.
Continue Casting Steel Billet Manufactured By Blasting 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.
There are three shapes of the steel billets: square billet, slab, rectangular billet The Chinese billet, rectangular billet is mainly suitable for rolling hot rolled strip, building reinforced bar, Ordinary wire, high speed wire rod and various small profile. Of the slab are mainly used for rolling plate and hot coil sheet.
3. Alloyed Steel Billet/Bloom by Continue Casting Blast Furnace Images
4. Alloyed Steel Billet/Bloom by Continue Casting Blast Furnace Specification
Continue Casting Steel Billet Manufactured By Blasting 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 Alloyed Steel Billet/Bloom by Continue Casting Blast Furnace
We have organized several common questions for our clients，may help you sincerely：
①What kinds of the steel billet you have?
We usually export the Q195/215/235/275, size: 120*120/130*130/150*150*12000/6000mm steel billet to our customers..
②Could we get the third party quality inspecting report?
Sure, but the inspecting fee belong to our customers payment in advanced.
③What quality problem we could claim?
Any problem not meet the contract you can tell us and we will be respansible for you.
For example:The defect of billet according to its source can be divided into two categories:Lack of steelmaking and castingAnd the rolling defects caused by.From the defect of the parts and can be divided into two kinds of surface defects and internal defects.The main steel billet defectsThere should be: scar, crack, cracking and inclusions(See the non-metallic inclusions), shrinkage residual(See the shrinkage cavity), airbag, air bubble, insideCrack, burnt, internal heat, tail hole, teeth marks, folding, scratches, indentation, sag, Angle, bending(See the bending),Handle defects, torsion, crack, shear, mesh, cleaning up bad, skull patch, seam crack, split, out-of-tolerance and sizePitting, etc.
1)Airbags.Boiling steel billet shearing area appear similar to the defects of shrinkage cavity.Section on the vertical axis of symmetry of the tongueWave, wave gap in granular inclusions, blaze, discoloration, etc.Sometimes the surface of the bulge, tearing, shearing widthSuch as large surface phenomenon, finished product billet surface convex hull, cross section on the tongue shape wave, serious billet through a long hole.
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