Hot and Cold Rolled Steel Strip Coils with High Quality

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
33 m.t.
Supply Capability:
122222 m.t./month

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Item specifice:

Standard: AISI,ASTM Technique: Cold Rolled,Cold Drawn Shape: Square,C Channel
Surface Treatment: Galvanized,Coated Steel Grade: Q195,Q215,Q235 Certification: ISO,SGS
Thickness: 5 Length: 5 Net Weight: 5

Product Description:

Description of Steel Strip Coils:

Steel strips is one of our main products that is widely used in making band saw blade & other blades to cut paper, weed, etc.


Festures  of  Steel Strip Coils:

1. Each coil is closely covered by oil paper or plastic film.

2. Outside it is firmly packed with sack cloth or compound paper.

3. Steel strap or PP strap to pack the outside to ensure safety.


Specifications of Steel Strip Coils:

1:Chemical industry equipment, Industrial tanks

2:Medical Instruments,Tableware, Kitchen utensil, kitchen ware

3:Architectural purpose, Milk & Food processing facilities


Images of Steel Strip Coils:

Hot and Cold Rolled Steel Strip Coils with High Quality

FAQ

1.What's your MOQ?
25MT, it is for one container.
2.Do you have QC teams?
Yeah, sure, our QC team is very important, they will keep the quality control for our products.
3. What's your normal delivery time?
Our delivery time about 10-20days for standard sizes, if you have other requirements like hardness  and width ,it is about 20-40days. 

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Q:What's the difference between cold rolled strip and cold rolled strip?
Cold roll is usually called hard roll, 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.
Q:What is the cause of the deviation of the strip in the rolling process? How to deal with it?
Roll, roll grinding after due to severe pressure, taper, makes the school not to the operator in the rolling process of double pendulum regulation increases taper, will cause serious side light waves caused by shape defects, cause strip deviation and broken belt.
Q:Hot rolled strip and hot rolled strip are also sealing plates? What's their function?
First of all, there are some hot rolled strip, the main role is to prevent roll cooling water flow to the workpiece, affecting the crown of the strip and shape control.
Q:What are the advantages of cold rolling and cold rolling strip steel?
Cold: 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.
Q:Is there any difference between galvanized steel strip and galvanized sheet?
Galvanized strip is the same as galvanized sheet, but it has a narrow width and a roll in a pan. Galvanized sheet is also used to flatten the material. The width is 1000~1800., and the strip is almost 1000
Q:The degreasing time is too long, will the strip surface be oxidized?
Sheet metal pretreatment, degreasing total alkalinity is recommended in 15-20, alkali spent large, must be short time processing, for a long time will make the metal crystal nucleus passivation, influence phosphating film. Sheet metal general oil should not be cleaned, especially stamping parts, etc., it is recommended to use degreasing temperature, the temperature can be 65-75 degrees.
Q:65 what is the hardness of the best heat treatment of manganese steel strip?
65 manganese spring steel best heat treatment hardness, mainly to have good elasticity, in the dynamic load environment conditions, there is a high yield strength. In case of heavy load, there should be high fatigue strength. Under repeated loads, it has a long service life, and has sufficient toughness and plasticity to prevent sudden brittle fracture under impact. 65 the best heat treatment hardness of manganese steel strip is HRC48, and the above comprehensive mechanical properties are the best.
Q:What is cold rolled strip and hot rolled strip? Why is it called strip steel?
Hot rolled steel strip in the processing of molding, the raw material is in high temperature, that is, after heating rolling forming, so called hot rolled steel strip, in contrast, have better toughness, soft and easy bending deformation.
Q:What is the difference between strip steel and silicon steel?
The sheet material rolled with silicon steel is the most widely used soft magnetic material in the field of electrical engineering. Therefore, silicon steel sheet is also called electrical steel sheet. Silicon steel sheets are widely used in motors, generators, transformers, chokes, electromagnetic devices, relays and measuring instruments. Influence of silicon content on properties of silicon steel sheet. Silicon is a good deoxidizer for steel. It combines with oxygen to convert oxygen into a stable, non carbon reduced SiO2, avoiding lattice distortion of iron by doping oxygen atoms. Silicon becomes a solid solution in alpha iron, increasing resistivity and helping to separate harmful impurities from carbon.
Q:Pickling process of cold rolled strip
Pickling process of cold rolled strip:Strip steel must be pickled before cold rolling, in order to remove the oxide scales on the surface of the steel coil which is harmful to the cold rolling, because the iron oxide sheet will damage the roller surface in cold rolling, and lead to defects on the strip surface. The most commonly used is continuous pickling of strip steel. The advanced cold rolling mill adopts continuous pickling line or Push-pull Pickling at high speed. Taking continuous pickling as an example, pickling is carried out continuously through several pickling tanks. To make the job line process continuous, the front end of a hot strip coil and the rear end of a steel coil are welded together. After pickling, the strip is cut and rolled according to the required roll weight and reel diameter.

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