Cold Rolled Steel Strip Coils in Various Materials from China
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 66 m.t.
- Supply Capability:
- 1222665 m.t./month
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Item specifice
Standard:
AISI,ASTM
Technique:
Hot Rolled,Extruded
Shape:
U Channel,Square
Surface Treatment:
Galvanized,Coated
Steel Grade:
Q195,Q215
Certification:
ISO,BSI
Thickness:
6
Length:
7
Net Weight:
7
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.Thickness: 0.14-3.0mm
2.width:30-600mm
3.zinc coating: 30-275g
4.material:Q195, Q235,SGCC, A653 CS-B, DX51D,SGCD,SGHC,S350GD,S450GD,S550GD
5.spangle: zero spangle, regular spangle, small spangle
6.surface treatment: chromated and oiled, chromated and non-oiled
7.packing: export standard packing
8.Payment: TT or L/C
9.MOQ: 25TON
10.coil weight: 3-4ton
11.quality: soft or hard quality
Specifications of Steel Strip Coils：
1)Material:SPCC,SPHC,Q195,Q235,Q345,Q345B
2)Thick:0.15-3.0mm
3)Width:30-700mm
4)Zinc coating:Z6 to Z27(60g/m2 to 275g/m2, double sides)
5)Surface condition:Regular spangle
6)Coil ID:508mm
7)Coil OD:1000~1500mm
8)Packaging Detail: Export standard package,with PVC,steel cover.
9)productive capacity:6500tons per month
Images of Steel Strip Coils：
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.
- Q:How are steel strips coated or treated for corrosion resistance?
- Steel strips are typically coated or treated for corrosion resistance using several methods. One common method is hot-dip galvanizing, where the steel strip is immersed in a bath of molten zinc, creating a protective zinc coating. Another method is electroplating, where a layer of zinc or other metals is applied to the steel strip through an electrolytic process. Additionally, steel strips can be coated with organic coatings such as paints or powder coatings, which provide a barrier against corrosion. These coatings are often applied through processes like coil coating or spray painting.
- Q:How are steel strips formed into various shapes?
- Steel strips are formed into various shapes through a process known as metal forming. There are several techniques that can be used to achieve this, including hot rolling, cold rolling, and stamping. Hot rolling is a process where steel strips are heated above their recrystallization temperature and then passed through a series of rollers to shape them into the desired form. The high temperature makes the steel more malleable, allowing it to be easily bent and formed. This method is commonly used to produce shapes such as bars, beams, and tubes. Cold rolling, on the other hand, involves passing the steel strips through a set of rollers at room temperature. This process is typically used to create thinner and more precise shapes, such as sheets and foils. Cold rolling can also be used to improve the surface finish and mechanical properties of the steel strips. Stamping is yet another method used to form steel strips into various shapes. In this process, a die is used to press the steel strip into a specific shape. The die is usually made of hardened steel and has the desired shape engraved on it. The steel strip is placed between the die and a punch, which exerts pressure to deform the material and reproduce the shape of the die. Overall, steel strips can be formed into various shapes through the application of heat, pressure, and mechanical force. The specific method used depends on the desired shape, size, and properties of the final product.
- Q:How do steel strips perform in electrical conductivity applications?
- Steel strips have relatively poor electrical conductivity compared to other metals such as copper or aluminum. While they can conduct electricity to some extent, their conductivity is significantly lower. Therefore, steel strips may not be the most ideal choice for applications where high electrical conductivity is required.
- Q:What are the common surface defect inspection methods for steel strips?
- Steel strips can be inspected for surface defects using various methods. These methods include visual inspection, magnetic particle inspection (MPI), ultrasonic testing (UT), eddy current testing (ECT), and X-ray inspection. Visual inspection is a straightforward method where a trained inspector examines the steel strips for visible defects like scratches, dents, cracks, or discoloration. Though subjective, this method can effectively identify major defects based on the inspector's skills and experience. MPI is a non-destructive testing method that utilizes magnetic particles to detect surface defects. By magnetizing the steel strip and applying magnetic particles, any cracks or discontinuities will cause the particles to gather at these locations, making them visible. UT involves transmitting high-frequency sound waves into the steel strip to identify defects or discontinuities. When defects are present, the sound waves bounce back, creating echoes that can be detected and analyzed to identify surface defects. ECT, another non-destructive testing method, employs electromagnetic induction to detect surface defects in conductive materials like steel. By placing a coil carrying an alternating current near the steel's surface, any changes in conductivity caused by defects will result in variations in the eddy currents, which can be detected and analyzed. X-ray inspection utilizes X-rays to detect both surface and internal defects. By penetrating the material, X-rays create images of the internal structure, making it useful for identifying internal defects like voids, inclusions, or delaminations that may not be visible during visual inspection. These methods are commonly used for inspecting steel strips, and the choice of method depends on factors such as the type and size of defects, the required sensitivity, and the cost-effectiveness of the inspection.
- Q:Can steel strips be coated with a protective film?
- Yes, steel strips can be coated with a protective film. This film acts as a barrier, protecting the steel from corrosion, scratches, and other forms of damage. The protective film can be applied through various methods such as electroplating, hot-dip galvanizing, or powder coating, depending on the specific requirements and intended use of the steel strips.
- Q:What are the factors that affect the impact resistance of steel strips?
- There are several factors that can affect the impact resistance of steel strips, including the composition and microstructure of the steel, its hardness and strength, the presence of impurities or defects, the temperature at which it is used, and the speed of impact. Other factors such as the thickness and width of the strip, as well as the presence of any coatings or treatments, can also influence its impact resistance.
- Q:How do steel strips perform in low-temperature environments?
- Steel strips perform well in low-temperature environments due to their high strength and resilience. Unlike some other materials, steel retains its mechanical properties even at extremely low temperatures, making it suitable for various applications such as construction, automotive, and aerospace industries. Its ability to withstand low temperatures without losing its structural integrity makes steel strips a reliable choice in cold climates or cryogenic environments.
- Q:What are the environmental impacts of steel strip production?
- The environmental impacts of steel strip production are significant. The process involves high energy consumption, which contributes to carbon emissions and climate change. Additionally, the mining and extraction of iron ore, along with the production of coke and coal, result in habitat destruction and air pollution. Steel strip production also generates large amounts of waste, including slag and mill scale, which can contaminate soil and water bodies. Overall, it is crucial to implement sustainable practices and technologies to mitigate these environmental impacts.
- Q:How are steel strips processed for heat dissipation?
- Heat dissipation in steel strips can be achieved through various means. One commonly used technique involves subjecting the strips to a heat treat process, which entails controlled heating and cooling cycles. This process modifies the steel's microstructure, increasing its resistance to heat and improving its ability to dissipate it. Another approach involves applying surface coatings or treatments. Coatings of thermally conductive materials like copper or aluminum can be added to the steel strips. These coatings enhance the steel's heat dissipation properties, enabling efficient transfer of heat away from the source. Moreover, heat sinks can be utilized in the processing of steel strips. These devices are designed to absorb and dissipate heat, typically made from materials with high thermal conductivity. They can be attached to the steel strips to enhance heat dissipation efficiency. In addition to the aforementioned methods, the design and shape of the steel strips also impact heat dissipation. Incorporating features like fins or grooves increases the surface area of the strips, promoting better airflow and enhancing overall heat dissipation capabilities. In summary, achieving effective heat dissipation in steel strips requires a combination of heat treatments, coatings, heat sinks, and design modifications. These techniques collaborate to improve the steel's thermal properties, ensuring efficient heat dissipation and preventing excessive temperature buildup.
- Q:Can steel strips be used in automotive body panels?
- Yes, steel strips can be used in automotive body panels. Steel is a common material used in the automotive industry due to its strength, durability, and cost-effectiveness. It provides sufficient structural integrity to the body panels, ensuring safety and protection for the vehicle and its occupants. Additionally, steel strips can be easily formed and shaped, making them suitable for various body panel designs.
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Cold Rolled Steel Strip Coils in Various Materials from China
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 66 m.t.
- Supply Capability:
- 1222665 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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