High grade hot rolled strip

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Strip is all kinds of steel rolling enterprises in order to adapt to different industrial sectors industrialized production of various kinds of metal or the needs of machinery products and the production of a narrow and long steel plate. Width of strip steel is also called the steel belt, it is within the 1300 mm, length according to the size of each roll is slightly different.

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Strip roll supply commonly, have high dimensional accuracy, good surface quality, easy to machining, saving materials, etc. With steel plate, the same strip according to the material divided into two categories, ordinary steel strip and high quality steel strip; According to the machining method cent two kinds of hot rolled strip steel, cold rolled strips.

Strip steel is widely used in the production of welded steel pipe and cold bend section steel billet, manufacturing bicycle frame, wheels, clamp, washer, spring leaf, saw blade, metal products and blades, etc.

The process flow

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Cold-rolled strip steel production process is commonly: pickling - rolling - processing lubrication to annealing, flat - shear - packaging.

Cold-rolled strip steel, pickling, rolling, annealing, rolling size synchronous lubrication, rust-proof oil - flat scale - polishing - packing

Heating furnace of hot rolled strip steel: - phosphorus removal machine, roughing mill, phosphorus removal machine, finishing mill, surface quality inspection instrument - layer of cold - reel, baling machine, injection machine - volume base slab

Inside furnace hot rolling strip production process: first, the temperature is up to the required rolling temperature, and is entered into the roughing roller on the slab of phosphorus removal machine of iron oxide, and then into the roughing rolling unit width and thickness of strip rolling, and then by the roller conveyor to finishing phosphorus removal machine to process the iron oxide on the strip surface, after entering the finishing rolling unit on the thickness and width of the strip is more precision rolling, strip steel by roller through a layer of cold surface temperature before coiling, after strict control into the reel be coil last baling, spray into the packaging volume of inventory.


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Q:What does galvanized steel strip A6 mean?
The difference between the two is that one zinc plating, one without plating, the other with zinc, is more resistant to oxidation and corrosion
Q:What are the raw materials for making strip steel?
The cold rolled strip used for packing is made of plain carbon steel, low alloy structural steel, fine carbon steel and alloy structural steel. It is specially used for packing and strapping.
Q:What are the differences between strip steel and round steel? Where are they mainly used?
Strip steel is widely used in the production of welded steel pipe, made of cold formed steel billet, manufacturing bicycle frame, rim, clamp, gasket, spring, saw blades, hardware and blades.
Q:Specification and use of cold rolled strip
Cold rolled strip steel: widely used in construction machinery, transportation machinery, construction machinery, lifting machinery, agricultural machinery and light industry, civil and other general structural parts and stamping parts.
Q:Can the tension leveller eliminate the wave shape of strip steel completely?
Deformation of strip in tension and bending. There are two sides of the strip wave, the edge of the long fiber and short fiber into the middle; stretching and straightening machine Zhang Ligun, high tension length of the fiber are elastic deformation, the deformation is in the same length; bending roll, tensile and bending interaction length of the fiber plastic the deformation happened, Wuxi Tiangong metallurgical production straightening machine total length is still the same, which is different from the original long fiber produced by plastic deformation is small, the original short fiber produced by large plastic deformation; tension and bending stress to remove all strip elastic deformation recovery, leaving only the plastic deformation, then the original short fiber than long fibers obtained permanent large plastic deformation, long fiber length and narrow the gap, but still a long long fiber, short fiber is still relatively short.
Q:Reasons for black side of hot strip galvanizing
Solution: contains too much impurity in the bath can use saline and Potassium Permanganate rushed ang impurity, or adding zinc chloride solution to current economic treatment; the strict monitoring of the production process to prevent the emergence of this phenomenon; low content of zinc chloride can be solved by adding zinc chloride.
Q:65 what is the hardness of the best heat treatment of manganese steel strip?
65, the optimum heat treatment hardness of manganese strip depends on the application and heat treatment method;1, 65Mn strip at 850 degrees Celsius, quenching oil +180 degrees, low temperature tempering 6 hours, hardness can reach HRC56 or so.2, if it is 400 degrees Celsius, tempering 4 hours, its hardness is generally around HRC39.
Q:What's the cutting edge of cold rolling strip?
Do you mean the cutting edge is the indication of the steel roll out of the factory? When the steel factory leaves the factory, the steel coil will have the burr and the cutting edge two kinds, the rough edge is the steel strip two, the edge is not neat. The trimming is the two sides of the steel band, and the width of the strip is certain when it is trimmed.
Q:What is the difference between strip steel and silicon steel?
Silicon steel is a silicon iron alloy with silicon content of about 3%~5% and other major iron. Divided into oriented silicon steel and non oriented silicon steel, it is an important soft magnetic alloy in electric power, electronics and military industry. Silicon steel refers to a low carbon silicon iron alloy with silicon content ranging from 0.5% to 4.5%. It is divided into non oriented silicon steel and oriented silicon steel because of its different structures and uses. Silicon steel is mainly used as the core of various motors, generators, compressors, motors and transformers. It is an indispensable raw material for electric power, household appliances and other industries.
Q:What is galvanized steel strip? What's the difference between galvanized strip and cold rolled strip?
The chemical and chemical reactions between the substrate and the molten bath of the hot galvanized steel pipe are complicated and the corrosion resistant structure is closely alloyed with zinc and iron alloy. The alloy layer is integrated with pure zinc layer and strip steel matrix. Therefore, it has strong corrosion resistance.

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