gi steel plate
Introduction to Galvanized Coils
Galvanized coils are steel coils coated with a layer of zinc to prevent corrosion. Common galvanizing methods include hot-dip galvanizing and electro-galvanizing.
Production Process
Industry-specific attributes
|
Type |
Steel Coil |
|
Thickness |
0.12-6mm |
|
Coating |
Z41-Z60 |
|
Spangle Type |
Regular Spangle |
|
Hardness |
Hard |
Here is the common specification and size range of galvanized coils presented in a table format:
|
Item |
Specification Range |
Remarks |
|
Thickness |
0.12 mm - 6.0 mm |
Common thickness: 0.3 mm - 3.0 mm |
|
Width |
600 mm - 2000 mm |
Common width: 1000 mm - 1500 mm |
|
Inner Diameter |
508 mm (20 inch) or 610 mm (24 inch) |
Standard coiling inner diameter |
|
Outer Diameter |
1000 mm - 2000 mm |
Varies based on coil weight and thickness |
|
Coil Weight |
3 tons - 20 tons |
Common weight: 5 tons - 15 tons |
|
Zinc Coating Weight |
30 g/m² - 275 g/m² |
Common coating: 60 g/m² - 180 g/m² |
|
Surface Treatment |
Passivation, Oiling, Anti-fingerprint, etc. |
Selected based on customer requirements |
|
Material |
Low-carbon steel, High-strength steel, etc. |
Common materials: SPCC, DX51D, SGCC, etc. |
Additional Notes
- Thickness: The thickness range is wide, with thinner gauges used for appliances and construction, and thicker gauges for industrial applications.
- Width: Width can be customized based on customer needs, with common widths being 1000 mm - 1500 mm.
- Inner Diameter: Standard inner diameters are 508 mm or 610 mm, compatible with most uncoiling equipment.
- Zinc Coating Weight: The coating weight directly affects corrosion resistance and can be selected based on the application environment.
- Surface Treatment: Passivation improves corrosion resistance, while oiling prevents rust during storage and transportation.
If more detailed specifications or custom requirements are needed, feel free to discuss further！
Galvanized type
Hot-Dip Galvanizing: The steel coil is immersed in molten zinc, forming a thick zinc layer with strong anti-corrosion properties.
Electro-Galvanizing: A thinner zinc layer is applied to the steel coil surface through electrolysis, resulting in a smoother finish suitable for precision processing.
Advantages
|
Corrosion Resistance |
The zinc layer effectively isolates the steel from air and moisture, extending its lifespan. |
|
Durability |
The zinc coating adheres firmly and is less prone to peeling, making it suitable for harsh environments. |
|
Cost-Effectiveness |
Although the initial cost is higher, it reduces maintenance and replacement expenses. |
|
Aesthetic Appeal |
The smooth surface and silvery appearance of the zinc layer make it suitable for various applications. |
Applications
|
Construction |
Used for roofing, wall panels, and steel structures, providing excellent corrosion resistance. |
|
Household Appliances |
Used in the manufacturing of refrigerator, washing machine, and air conditioner exteriors, offering both corrosion protection and aesthetic appeal. |
|
Automotive |
Used for body panels, chassis, and other components to enhance corrosion resistance. |
|
Industrial |
Used in the production of ventilation ducts, cable trays, and storage equipment, suitable for various industrial environments |
Summary
Galvanized coils are widely used in construction, household appliances, automotive, and industrial fields due to their excellent corrosion resistance, durability, and aesthetic appeal. They are a cost-effective and practical material choice.
FAQ
Q1: How can we trust your company?
A1: We specialize in steel business for 17 years, you are welcome to investigate in any way to check our company.
Q2. How do you guarantee the quality?
A2:
- We have passed ISO9001, SGS, CE and other certifications;
- Always have pre-production samples before mass production,and always do final inspection before shipment;
- Acceptable third-party inspection.
Q3: About the product price?
A3: Due to the cyclical changes in raw material prices, prices vary from period to period. You can consult us, you can communicate with us online through the platform, We Chat, WhatsApp and other platforms, and we will reply within 24 hours. Please give us your requirements and specifications (steel grade, size, quantity, destination port), and we will work out the best price at the first time.
Q4: Can I visit your factory?
A4: Of course, we welcome customers from all over the world to visit our factory. However, some factories are not open to the public.
Q5: Can you send samples?
A5: Of course, we can send samples to all over the world, our samples are free,but customers need to bear the express cost.
Q6: How long is your delivery time?
A6: Generally speaking, our delivery time is within 7-10 days, if the demand is particularly large or there are special circumstances, the delivery time may be delayed.