Hot and Cold Carbon Rolled Steel Strip Coils Q195 Q235

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

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Item specifice:

Standard: ASTM Technique: Cold Rolled Shape: Square
Surface Treatment: Coated Steel Grade: Q215 Certification: SGS
Thickness: 4 Length: 4 Net Weight: 4

Product Description:

Description of Steel Strip Coils:

Our products mainly used in Construction area, Industry area,kitchen tools and medical tools and so on.Construction area: putty knife, plastering trowel, long handle putty knife, bricklaying trowel ect.Industry area : car pares, knife parts, barral parts, band saw blade, electric machine parts and so on. Kitchen; knife, food container, pot, scraper, bottle, kettle cover, ect.The producets also used in medical, shoe making and other area


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.

4. On/about 1000kgs to be packed with one wooden pallet.

5. Strips can be loaded to 20'FCL without pallet if required by customer.

6. LCL shipment can also be arranged once required by the customer.


Specifications of Steel Strip Coils:

DescriptionHot Rolled Steel Strip
BrandTianjin Metallurgical No.Steel Group
Specification1.2-6.0mm*70mm
StandardAISI,ASTM,BS,DIN,GB,JIS
MaterialQ195,Q215,Q215B,Q235,Q235B
ApplicationWidly used in welding steel pipes, and bicycle making etc.
CertificatesBV,SGS,ISO etc.
MOQ20 tons or according to customers’ requirement.
Port of DeliveryTianjin Port of China
RemarksWe can provide qualify goods,competitive price and speedy delivery


Images of Steel Strip Coils:

Hot and Cold Carbon Rolled Steel Strip Coils Q195 Q235

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 is cold rolled strip and hot rolled strip? Why is it called strip steel?
The only so called strip is because this kind of material is shaped, say vulgar point like our waist belt like si,
Q:What's the reason for the strip after pickling?
I suggest you try phosphoric acid and BW-500P phosphoric acid fast acid cleaning lotion, pickling process. Without heating, rust will soon. And renewable recycling. The cost is much lower than that of hydrochloric acid.
Q:What does galvanized steel strip A6 mean?
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.
Q:What's the difference between strip 235 and 235b?
235B only requires a temperature environment of 20 degrees C; this is because of their chemical composition of sulfur, S, phosphorus, P content indicators caused by different.The 235 is 235A, 235 in the material according to the sulfur phosphorus content from high to low is divided into ABCD four grades, grade a sulfur phosphorus was the highest relative performance (welding, plasticity) is the worst, D performance is the highest, the lowest content of parathion.
Q:What about the strip scraping in the annealing furnace?
Thus forming an air knife scratch. This kind of defect causes the product to be wasted because the coating is scratched. Proper control of strip tension in productionForce and adjust the nozzle distance, can avoid this kind of defect happen.
Q:1 can thick galvanized steel square pipe burn welding?
Welding can only use 2.5 of the electrode, the current transferred to 80A, slowly welding, yes, I have also welded. If the line is conditional, do better with sub fluorine welding or oxygen welding.
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: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:Hot rolled strip and hot rolled strip are also sealing plates? What's their function?
Secondly, strip and steel strip should be about the same, no less than a narrow strip of steel bar, the equipment configuration is the same
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.

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