Hot Rolled Steel Strip Electrical Appliance Bridge Pipeline Automobile

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China main port
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Min Order Qty:
1000 m.t.
Supply Capability:
10000 m.t./month

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Structure of Hot Rolled Steel Strip Description

JIS G3131 SPHC\SPHD ASTM A659

HR/Hot Rolled Steel Strip/Band

Hot rolled stieel is a semifinished product obtained from the hot rolling of slabs or billets and is produced for conversion by cold rolling. Cold rolled steel is manufactured from hot rolled, annealed and pickled strip by cold rolling on polished rolls. Depending on the thickness desired, the cold rolling requires various numbers of passes through the mill to effect the necessary reduction and to secure the desired surface characteristics and mechanical properties.

For machinery manufacturing, container manufacturing, automobile, shipbuilding

Main Features of the Hot Rolled Steel Strip

Good quality with hot rolled

Images Hot Rolled Steel Strip

 

Hot Rolled Steel Strip Electrical Appliance Bridge Pipeline Automobile

Hot Rolled Steel Strip Electrical Appliance Bridge Pipeline Automobile

 

Specification Hot Rolled Steel Strip

 JXC

 1.25mm-6mm*10mm-600mm

AISI,ASTM,BS,DIN,GB,JIS

Q195,Q215,Q215B,Q235,Q235B

 

FAQ of Hot Rolled Steel Strip

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Seawory Export Package Inside:Moisture-proof paper Outside:Iron sheet Use Strip tie for 8 times .

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Q:What's the difference between cold rolled strip and cold rolled strip?
Cold rolled steel sheets are made from hot rolled sheets at normal temperatures. Although they are rolled during processing, they can also cause steel plates to heat up. Nevertheless, it is called cold rolling. Because of the cold rolling of continuous hot rolling, the mechanical properties are poor and the hardness is too high. It must be annealed to restore its mechanical properties. Rolled rolls are generally used to make products without bending or stretching.
Q:How to drill through galvanized steel strip quality piercing eye
The quality of the strip is not good, quality is not good, which made galvanized pipe, can not bend 90 degrees, depending on the quality of the strip material; general material, galvanized can be plated well.
Q:Specification and use of cold rolled strip
Advantages of cold rolled strip:A very thin strip of steel (0.001mm), which is difficult to obtain by hot rolling method, can be obtained;It can make the product have high mechanical properties and wide range of performance;Guarantee to obtain the high precision size, the thickness deviation is small, along the strip width and the length aspect uniformity, the shape is good, the surface is bright and clean each kind of strip steel;Low cost and high efficiency;Rolling speed, with high productivity.Technological characteristics of cold rolled strip:When the strip is rolled in cold condition, because of the hardening of the strip, the intermediate annealing must be done to soften it and restore the plasticity so as to continue rolling;The surface iron oxide scales must be removed before rolling, thus ensuring the surface smoothness of the strip and reducing the wear of the roll;Adopting tension rolling to ensure good strip shape of strip, controlling the deviation of strip thickness and reducing rolling pressure, which is beneficial to rolling thin specification products.Using process cooling and lubrication, it is easy to control the temperature of roller and strip, reduce the friction between roll and strip, and reduce the rolling pressure. It is favorable to shape control and prevent the sticking roll of strip steel.
Q:Hot rolled strip, the theory of the thinnest, how thin rolling, why not rolling too thin, is the material or the reasons for plate shape?
Tangshan Iron and steel production line design capacity of 0.8mm, the thin can be rolled to 1.8 or limited production, steel level, the purity of molten steel are related, and also there is a certain relationship between the plate width.
Q:What are the advantages of cold rolling and cold rolling strip steel?
What to do with cold rolling is better than that of hot rolling, which is the main one because cold rolling is processed by hot rollingCold: hot rolled steel coil as raw material by pickling descaling after cold rolling, the finished rolling hard volumes, due to continuous deformation caused by cold hardening the volume rolling hard strength, hardness, toughness index rise decline, so the stamping performance will deteriorate, only for a simple deformation of parts.Cold rolled steel strip and sheet thickness is generally 0.1 ~ 3mm, width 100 ~ 2000mm in hot strip steel or timber as raw material, under normal temperature after cold rolling, cold rolled steel strip and sheet has the advantages of smooth surface, smooth, high precision and good mechanical properties.
Q:Where is the lining board made of polyurethane lining? Please contact immediately
Selection of raw materials: different polyol raw materials with different molecular structures and molecular weight, the performance gap between different polyols, the use of the environment and the requirements are not the same, each with unique characteristics and optimum application. Polyester polyol, wear resistance, corrosion resistance, good oil resistance, high mechanical strength, good aging resistance. Polyether polyols have good resilience and low temperature compliance, and they also have good hydrolytic stability and mildew resistance. There are many curing agents, and different formulation systems use different performance requirements. The choice of different systems depends not only on the performance requirements of the product, but also on the price of the product. The abrasion resistance of the wear-resistant lining plate is determined by the raw material chosen.
Q:Where is the good quality of galvanized steel strip?
The strip is supplied in general, and has the advantages of high dimensional accuracy, good surface quality, easy processing and material saving. Same as steel plate, strip steel is divided into two kinds of ordinary strip steel and high quality strip steel according to the material used, and two kinds of hot-rolled strip steel and cold rolled strip steel according to processing method.
Q:The relation between hot rolled strip and cold rolled coil, hot rolled strip and cold rolled strip
The hot rolled coil is made of slab (mainly continuous billet), and is made of roughing mill and finishing mill after heating. The hot strip from the last mill at the end of the finishing mill is cooled by laminar flow to the set temperature. The coiler is rolled into a coil and the cooled strip is rolled.
Q:Is the strip steel strip?
Some thicker medium plate production is not produced by strip steel. In any case, the strip is a general term for strip and plate.
Q:1 can thick galvanized steel square pipe burn welding?
Galvanized square is a hot-rolled or cold-rolled galvanized steel or galvanized sheet for the blank shape by the cold bending process after section steel pipe welded square hollow square cross-section shape and size of the high-frequency; or the cold hollow steel well in advance of the re galvanized square by galvanizing processing of pipe.

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