• Hot Dip Galvanized Steel Coil-Minimum spangle-Hot Sell System 1
  • Hot Dip Galvanized Steel Coil-Minimum spangle-Hot Sell System 2
  • Hot Dip Galvanized Steel Coil-Minimum spangle-Hot Sell System 3
Hot Dip Galvanized Steel Coil-Minimum spangle-Hot Sell

Hot Dip Galvanized Steel Coil-Minimum spangle-Hot Sell

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Loading Port:
China Main Port
Payment Terms:
TT or LC
Min Order Qty:
50mt m.t.
Supply Capability:
10000 tons per month m.t./month

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General Information Of Hot Dip Galvanized Steel Coil

Hot-dip galvanized steel coils are available with a pure zinc coating through the hot-dip galvanizing process. It offers the economy, strength and formability of steel combined with the corrosion resistance of zinc. The hot-dip process is the process by which steel gets coated in layers of zinc to protect against rust. It is especially useful for countless outdoor and industrial applications.

 

Thickness                   0.13-0.7mm (BMT)

Width                         600-1250mm

Zinc Coating               30-200g/m2

Internal Diameter        508mm or 610mm

Coil Weight                 3-12MT

Quality                        Commercial and structural quality

Spangle                       Minimum spangle

Surface Treatment      Oiled/dry , Skin pass/non-skin pass ,Chromated/non-chromated,

Standard                    JIS G 3302, ASTM A 653M, EN 10327

Steel Grade                SGCC, CS, FS, SS, LFQ, DX51D+Z , S280GD

 

Chemical Composition Of Hot Dip Galvanized Steel Coil

C

Si

Mn

P

Si

0.04-0.06%

0.01-0.03%

0.18-0.22%

0.014-0.016%

0.006%-0.009%

 

 Technical Data Of Hot Dip Galvanized Steel Coil  

Yield Strength

(Mpa) 280-320

Tensile Strength

(Mpa) 340-390

Elongation

20%-30%

Out-of-square

not exceed 1% Flatness

Bow

15mmmax

Edge Wave

9mmmax

Centre Buckle

8mmmax

Bending At 180 Degree

No crack, purling and fraction

 

Application Of Hot Dip Galvanized Steel Coil

Production of cold formed corrugated sheets and profiles for roofing, cladding, decking, tiles, sandwich walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering

 With GI as base metal, after pretreatment (degrease and chemical treatment) and liquid dope with several layers of color, then after firing and cooling, finally the plate steel is called pre-painted galvanized steel. Pre-painted galvanized steel is good capable of decoration, molding, corrosion resistance. It generally displays superior workability, durability and weather resistance.

 

Packaging & Delivery Of Hot Dip Galvanized Steel Coil

Anti-damp paper inside full wrapped with plastic film, iron sheet outside on wooden pallet in 20 feet container with 25mt.

 Hot-dip galvanized steel coil  

 Hot-dip galvanized steel coil

 

Q:Hi All,I was wanting to know,on the quality bikes such as Trek,Giant etc is the aluminum frames as strong as the steel frame bikes? I have heard conflicting reports on this,so thought I would ask here for more input.Thanks!
Steel is stronger than aluminum. But, you have to consider the strength to weight ratio and stiffness. Modern aluminum frames use hydro-forming to optimize the tube shapes. They also use modern welding and bonding techniques. In short, a good aluminum frame can be better than a steel frame and have less weight. Consider a Cannondale CAAD alloy frame or a hybrid composite/alloy frame such as a Cannondale Six. Cannondale is know for pioneering alloy frames.
Q:How are steel coils inspected for chemical composition using spectroscopy?
Steel coils are inspected for chemical composition using spectroscopy by using a technique called laser-induced breakdown spectroscopy (LIBS). In LIBS, a high-energy laser beam is directed onto the surface of the steel coil, causing a small portion of the material to vaporize and form a plasma. The plasma emits characteristic light that is unique to the elements present in the steel. This emitted light is then analyzed by a spectrometer, which separates the light into its individual wavelengths and measures their intensities. By comparing the intensities of the emitted light to known reference spectra, the chemical composition of the steel coil can be determined accurately and efficiently.
Q:How do steel coil manufacturers contribute to local economies?
The local economies are positively impacted by steel coil manufacturers in various ways: 1. Job opportunities are created through the establishment and expansion of steel coil manufacturing plants. This leads to a decrease in unemployment rates and an increase in income levels, resulting in higher local spending and economic growth. 2. A network of local businesses benefits from the demand generated by steel coil manufacturers. These businesses include suppliers of raw materials, equipment, and services such as steel producers, logistics companies, packaging providers, and maintenance service providers. The presence of a steel coil manufacturer stimulates the growth and development of these local businesses, contributing to the overall economic vitality of the region. 3. The steel coil manufacturing industry acts as a catalyst for the development of secondary industries. These industries rely on steel as a primary input and include steel fabrication, construction, automotive manufacturing, and machinery production, among others. The presence of a steel coil manufacturer attracts and supports the growth of these industries, resulting in increased economic activity and job opportunities. 4. Local economies benefit from the payment of various taxes by steel coil manufacturers, including corporate income taxes, property taxes, sales taxes, and employment taxes. The significant tax revenue generated by these manufacturers can be utilized by local governments to fund public infrastructure projects, education, healthcare services, and other essential community services. 5. The economic impact of steel coil manufacturers extends beyond their direct operations. Their presence attracts other businesses and industries to the region, creating a multiplier effect. For example, steel distributors, fabricators, and processors may establish operations nearby to take advantage of the proximity to the manufacturer. This cluster of related industries further contributes to the local economy, creating a self-sustaining cycle of economic growth and development. To summarize, steel coil manufacturers contribute to local economies by creating jobs, supporting local suppliers, stimulating secondary industries, generating tax revenue, and triggering an economic multiplier effect. Their presence enhances the economic vitality of the region, leading to increased employment opportunities, income levels, and overall economic growth.
Q:How are steel coils inspected?
Steel coils are inspected using various methods such as visual inspection, ultrasonic testing, magnetic particle inspection, and eddy current testing. These techniques help identify any defects, irregularities, or damages in the steel coils, ensuring their quality and suitability for further processing or use.
Q:What are the common surface treatments for steel coils?
The common surface treatments for steel coils include galvanization, which involves coating the steel with a layer of zinc to protect against corrosion, as well as painting or powder coating to provide additional protection and enhance aesthetics.
Q:How do steel coils compare to stainless steel coils?
Steel coils and stainless steel coils are both used in various industries, but they differ in their composition and properties. Steel coils are typically made from carbon steel, which is strong and durable but susceptible to corrosion. On the other hand, stainless steel coils are made from an alloy of iron, chromium, and other elements, which provides them with excellent corrosion resistance. Stainless steel coils also have a higher resistance to heat and oxidation, making them suitable for applications that require superior durability and hygiene standards. Overall, stainless steel coils are generally considered to be of higher quality and more suitable for applications where corrosion resistance is crucial.
Q:What are the different methods of tension leveling for steel coils?
There are various techniques available for tension leveling steel coils, each with its own benefits and applications. 1. Roller leveling: By passing the steel coil through a series of rollers under high tension, strategically positioned to exert pressure on the coil, this method effectively stretches and elongates the coil. It is commonly used for thinner gauge coils and effectively eliminates defects such as coil set, crossbow, and edge wave. 2. Stretch leveling: This technique involves subjecting the steel coil to a combination of tension and elongation. The coil is held by clamps at both ends and then stretched using hydraulic or mechanical devices. This process helps remove residual stresses, flatten the coil, and enhance shape control. Stretch leveling is particularly suitable for thicker gauge coils, effectively eliminating wavy edges and center buckle. 3. Temper rolling: By passing the steel coil through a series of temper rolls that apply pressure on the surface, this method is primarily used to improve the surface finish and enhance the mechanical properties of the steel. It also helps reduce coil set and improve flatness. 4. Skin pass rolling: After the primary leveling process, the steel coil is passed through a series of rolls that apply light pressure on the surface. This technique is typically performed to further improve surface finish, enhance flatness, and reduce surface defects such as scratches or marks. 5. Stretcher leveling: This technique involves clamping the steel coil at both ends and applying tension to stretch it. The stretched coil is then held in this position for a specific duration to allow for stress relief and shape correction. It is commonly used for thicker gauge coils and effectively removes defects like coil set, crossbow, and center buckle. Each tension leveling method offers distinct advantages and is suitable for different types of steel coils and specific requirements. The choice of method depends on factors such as coil thickness, desired flatness, surface finish, and the specific defects that need to be corrected.
Q:How are steel coils inspected for uniformity?
Steel coils are inspected for uniformity through a series of visual and mechanical tests. Firstly, the external appearance of the coil is examined to ensure it is free from any visible defects such as dents, scratches, or rust. This is important as it ensures the coil's overall integrity and prevents potential issues during further processing. Next, the thickness of the coil is measured at various points using non-destructive testing techniques like ultrasonic or magnetic particle inspection. This helps identify any variations in thickness, which could affect the coil's overall quality and performance. Additionally, the width of the coil is measured using precision instruments to check for any deviations from the required specifications. This ensures that the coil is within the desired width range, which is crucial for compatibility with downstream processes and applications. Furthermore, the weight of the coil is measured to verify if it falls within the specified range. This is typically done using weighing scales or load cells, ensuring that the weight is consistent and meets the required standards. In terms of internal inspection, steel coils are sometimes subjected to eddy current testing, a non-destructive method that detects surface and near-surface defects. This technique uses electromagnetic induction to identify any irregularities in the metal, enabling the identification of defects such as cracks, voids, or inclusions. Overall, a combination of visual inspections, thickness measurements, width checks, weight verification, and internal testing methods ensures that steel coils are thoroughly inspected for uniformity. These rigorous inspection processes help guarantee the quality and reliability of the coils, allowing them to meet the industry standards and customer requirements.
Q:I juuuust got a new stainless steel sink only 5 months ago, and it already has a couple rust spots on it.What caused this?!
This is usually surface rust caused from other non-stainless objects coming in contact with the sink. It is a stain, more than actual rusting of the sink. Barkeepers Friend works well for cleaning stainless steel. Find it in the cleaning aisle of most larger stores.
Q:Does anyone know anything about Kodiak Steel Homes?
Steel framing replaces all the wood making the house stronger and resistant to termites. Costs about $2,000 more per house and there is a lack of trained framers in most cities. Never heard of Kodiak brand. Do you know a city where they are located?
GZTSTEEL is a modernized non-government enterprise. We keep science and technology as the impetus for the development of our company. Our products include high-precision hot galvanized steel sheet (coils), hot-coating Al-Zn-Si steel sheet (coils), and Prepainted steel sheet(coils) and equipment. We have integrated both manufacture and sale.

1. Manufacturer Overview

Location Shandong, China
Year Established 2007
Annual Output Value
Main Markets 90.91% Domestic Market
4.09% Southeast Asia
3.18% Africa
1.82% South America
Company Certifications ISO 9001:2008

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Tianjin; Qingdao
Export Percentage 71% - 80%
No.of Employees in Trade Department 380 People
Language Spoken: English; Chinese
b)Factory Information  
Factory Size: Above 100,000 square meters
No. of Production Lines 3
Contract Manufacturing OEM Service Offered Design Service Offered Buyer Label Offered
Product Price Range Average

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