Cold Rolled Galvanized Steel Strip Coils Q195 Q235 in China
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 44 m.t.
- Supply Capability:
- 22232332 m.t./month
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Specification
Standard:
AISI
Technique:
ERW
Shape:
C Channel
Surface Treatment:
Color Coated
Steel Grade:
Q235B
Certification:
IBR
Thickness:
2
Length:
2
Net Weight:
2
Applications 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
4:Hospital Equipment, interior Exterior decoration for building
5:Architectural purposes, escalators, kitchen ware,vehicles
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：
| Standard | Galvanized Steel Coil Grade | Zinc Coating | Width | Thickness | Length | Capacity/Year |
| JIS G3302 | SGCH/SGCC-SGC570/SGHC-SGH340 | Z40-275g | 30-914mm | 0.3-4.0mm | Coil | 1,00,000Ton |
| EN 10346 | DX51D+Z/DX53D+Z/S220GD-S550GD | Z40-275g | 30-914mm | 0.3-4.0mm | Coil | 1,00,000Ton |
| ASTM A653 | CS-B/SS255-550 | Z40-275g | 30-914mm | 0.3-4.0mm | Coil | 1,00,000Ton |
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 cleaned before further processing?
- Steel strips are typically cleaned before further processing through a combination of mechanical and chemical methods. This involves removing any dirt, oil, grease, or other contaminants from the surface of the strips. Mechanical methods such as brushing, scraping, or blasting are used to physically remove debris, while chemical methods like pickling or degreasing are employed to dissolve and remove any residual oils or greases. Once the strips are thoroughly cleaned, they can undergo various further processing steps, such as coating, galvanizing, or rolling.
- Q: How are steel strips hardened for enhanced strength?
- Steel strips can be hardened for enhanced strength through a process called heat treatment. This process involves subjecting the steel strips to extreme temperatures followed by rapid cooling. There are two main methods used for hardening steel strips: quenching and tempering. Quenching is the initial step in the heat treatment process, where the steel strips are heated to a high temperature and then rapidly cooled by immersing them in a quenching medium such as oil or water. This rapid cooling causes the steel to undergo a phase transformation, resulting in a hardened structure. The severity of the quenching process determines the hardness achieved, with faster cooling rates leading to greater hardness. Quenching also helps in achieving a fine-grained microstructure, which further enhances the strength of the steel strips. However, the steel strips obtained through quenching are extremely brittle and may be prone to cracking. To overcome this, tempering is performed. Tempering involves reheating the hardened steel strips to a lower temperature, typically below the critical temperature, and then cooling them slowly. This process relieves the internal stresses in the steel and increases its toughness and ductility, while maintaining a certain level of hardness. The combination of quenching and tempering allows for the desired strength and hardness while retaining some degree of toughness in the steel strips. This process is widely used in various industries, such as automotive, construction, and manufacturing, where high-strength steel is required for applications such as springs, blades, or structural components.
- Q: How are defects in steel strips detected and repaired?
- Defects in steel strips undergo detection and repair by utilizing a combination of visual inspection and advanced testing methods. Typically, visual inspection serves as the initial step, during which trained technicians meticulously examine the steel strip's surface for any visible defects like cracks, dents, or scratches. They may also employ magnifying tools or cameras to closely investigate and identify any irregularities. Apart from visual inspection, a variety of non-destructive testing techniques are employed to identify defects that are not easily discernible to the naked eye. One frequently used method is ultrasonic testing, whereby high-frequency sound waves are passed through the steel strip. Any abnormalities, such as internal cracks or voids, cause the sound waves to bounce back, indicating the presence of a defect. Another technique is magnetic particle inspection, which involves applying a magnetic field to the steel strip and subsequently depositing iron particles onto the surface. In the presence of a defect, the magnetic field attracts the particles, making the defect visible under suitable lighting conditions. Once defects are identified, the repair process commences. Minor surface defects, such as scratches or dents, can typically be rectified through grinding or polishing. This entails removing the damaged layer of steel and restoring a smooth surface. For more significant defects, such as cracks or voids, the repair process may involve welding or cutting out the affected section and replacing it with a new piece of steel. Welding is commonly employed to repair cracks, where a filler material is melted and fused with the surrounding steel to bridge the gap. It is crucial to note that the repair process is contingent upon the type and severity of the defect, as well as specific industry requirements. Steel manufacturers and fabricators have established precise guidelines and standards to ensure the quality and integrity of the repaired steel strips. Regular inspections and quality control measures are implemented to ascertain that the repaired steel strips adhere to the mandated standards and are suitable for their intended applications.
- Q: Are steel strips commonly used in the manufacturing of packaging materials?
- Yes, steel strips are commonly used in the manufacturing of packaging materials, particularly for heavy-duty applications where strength and durability are required. Steel strips provide added support and stability to the packaging, making them suitable for transporting and storing various goods.
- Q: How do steel strips contribute to machinability in various applications?
- Steel strips contribute to machinability in various applications by providing several advantages. Firstly, steel strips are manufactured with precise dimensions and smooth surfaces, ensuring consistency and ease of machining. This allows for efficient cutting, drilling, and shaping processes, reducing production time and costs. Additionally, steel strips often possess excellent hardness and wear resistance, enabling them to withstand high-speed cutting operations without deformation or damage. This promotes accuracy and precision in the machining process. Furthermore, steel strips can be heat-treated to enhance their machinability, resulting in improved chip formation and better control over the cutting process. Overall, steel strips' dimensional accuracy, surface quality, hardness, and heat-treatability contribute significantly to machinability in various applications, making them a preferred choice for many manufacturing industries.
- Q: What are the different surface laminating options for steel strips?
- There are several surface laminating options for steel strips, including hot-dip galvanizing, electroplating, powder coating, and painting.
- Q: What are the mechanical testing methods for steel strips?
- Some common mechanical testing methods for steel strips include tensile testing, hardness testing, and impact testing. These methods help assess the strength, ductility, hardness, and toughness of the steel strips.
- Q: What are the advantages of using steel strips in construction?
- Using steel strips in construction has numerous advantages: 1. Strength and durability: Steel strips are exceptionally strong and durable, making them an ideal choice for construction. They provide structural integrity, can bear heavy loads, and withstand extreme weather conditions. 2. Versatility: Steel strips can be customized and molded to meet specific requirements, making them versatile for a variety of construction projects. They can be used for framing, roofing, flooring, and cladding, among other purposes. 3. Cost-effectiveness: While the initial cost of steel strips may be higher than other construction materials, they offer long-term cost savings. Steel is low-maintenance, resistant to corrosion, and has a long lifespan, reducing the need for frequent repairs and replacements. 4. Fire resistance: Steel is non-combustible and does not contribute to the spread of fire. This makes it a safer option for construction, particularly in buildings where fire safety is a priority. 5. Sustainability: Steel is an environmentally friendly material because it can be highly recycled. Steel strips can be recycled multiple times without losing their properties, reducing the demand for new materials and minimizing waste. 6. Speed of construction: Steel strips are pre-fabricated off-site, allowing for faster construction times. This can help reduce project timelines and costs, making them an attractive option for commercial and industrial construction projects. 7. Design flexibility: Steel strips offer flexibility in design, enabling architects and engineers to create unique and innovative structures. They can be easily combined with other construction materials to achieve desired aesthetics and functionality. In conclusion, the use of steel strips in construction offers advantages such as strength, durability, versatility, cost-effectiveness, fire resistance, sustainability, speed of construction, and design flexibility. These benefits make steel strips a popular choice for a wide range of construction projects.
- Q: Can steel strips be used in the production of automotive exhaust systems?
- Yes, steel strips can be used in the production of automotive exhaust systems. Steel strips are commonly used to manufacture exhaust components such as pipes, mufflers, and resonators due to their strength, durability, and heat resistance properties.
- Q: How are steel strips used in the railway sector?
- Steel strips are used in the railway sector for a variety of purposes, such as the construction of railway tracks, the manufacturing of railway wheels, and the fabrication of various railway components. These strips provide strength, durability, and stability to ensure safe and efficient transportation of trains.
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Cold Rolled Galvanized Steel Strip Coils Q195 Q235 in China
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 44 m.t.
- Supply Capability:
- 22232332 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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