Hot Dipped Galvanized Steel Coil
- Ref Price:
-
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50mt m.t.
- Supply Capability:
- 5000 tons per month m.t./month
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Hot Dipped 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.
Product Description Of Hot Dipped Galvanized Steel Coil
|
Thickness |
0.13mm-0.7mm |
|
Width |
600mm-1250mm |
|
Zinc Coating |
30-200g/m2 |
|
Internal Diameter |
508mm/610mm |
|
Coil Weight |
3-12MT |
|
Quality |
commercial and structural quality |
|
Surface Treatment |
regular & minimum spangle, zero spangle, oiled & dry, chromated , non-skin pass , skin pass |
|
Standard |
JIS G 3302, ASTM A 653M, EN 10327 |
|
Steel Grade |
SGCC, CS, FS, SS, LFQ, DX51D+Z , S280GD |
Technical Data Of Hot Dipped Galvanized Steel Coil
|
Chemical Composition |
C |
Si |
Mn |
P |
S |
|
0.04-0.06% |
0.01-0.03% |
0.18-0.22% |
0.014-0.016% |
0.006%-0.009% |
|
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 Dipped Galvanized Steel Coil
It can be widely used in transportation, light industry, civil usage and farming. It is also the perfect building material in construction for making roofing tile, steel profiles for wall partition, T-bar, studs, fireproof door, air conditioning duct and home appliance.
Packaging & Delivery Of Hot Dipped Galvanized Steel Coil
The packing of coils consists of anti-damp paper, PVC film, hardboard paper, steel box, strapped with steel strips, fitted with locks and edge protectors and guarantees the optimal condition of the delivered goods. Each coil can be additionally fitted with wooden/steel skids(eye to the side) or wooden pallets(eye to the sky).
Production Flow Of Hot Dipped Galvanized Steel Coil
Production flow of hot dip galvanized steel coil - zero spangle - forward - 30 - 200g/m2 include dual uncoiler, stitcher(welder), bridle, steering unit, entry accumulator, heating & soaking furnace, jet cooling section, ceramic zinc port, cooling tower, skin pass mill, tension leveller, chromating with dryer, exit accumulator and dual recoiler.
- Q: What are the different types of coil edge trimming machines?
- There are several different types of coil edge trimming machines available in the market. These machines are specifically designed to trim the edges of coils or rolls of various materials such as metal, paper, plastic, or fabric. Each type of machine has its own unique features and capabilities, catering to different trimming requirements. 1. Manual Edge Trimmers: These machines are operated manually, where an operator manually feeds the coil and trims the edges using a cutting tool or blade. Manual edge trimmers are typically used for low volume trimming applications and require the operator's skill and precision. 2. Semi-automatic Edge Trimmers: These machines have automated feeding mechanisms that assist in feeding the coil through the machine. The trimming process is still performed manually by the operator using a cutting tool, but the feeding mechanism reduces manual effort and increases productivity. 3. Automatic Edge Trimmers: These machines are fully automated and require minimal operator intervention. They are equipped with advanced sensors and controls that enable precise and consistent trimming of coil edges. Automatic edge trimmers can handle high volumes of coils and are often integrated into production lines for continuous trimming operations. 4. Rotary Blade Edge Trimmers: These machines utilize rotary blades to trim the edges of coils. The rotary blades rotate at high speeds, cutting through the material with precision. Rotary blade edge trimmers are commonly used for plastic or fabric coils, as they provide clean and smooth cuts. 5. Guillotine Edge Trimmers: These machines use a guillotine-like cutting mechanism to trim the edges of coils. The cutting blade moves vertically and cuts through the coil material in a straight line. Guillotine edge trimmers are suitable for trimming metal or paper coils, as they provide straight and accurate cuts. 6. Laser Edge Trimmers: These machines use laser technology to trim coil edges. The laser beam precisely cuts through the material, resulting in clean and precise edges. Laser edge trimmers are often used for delicate or high-value materials, as they minimize the risk of damage or distortion. Each type of coil edge trimming machine has its own advantages and limitations, and the choice of machine depends on the specific requirements of the application. Factors such as material type, coil dimensions, trimming precision, and production volume should be considered when selecting the appropriate machine.
- Q: Ok I have a neodymium magnet, stuck to my fridge holding a old bottle cap opener for my beer it works fine. At the local rummage sale there was a beautiful cap opener my freind was selling for $0.25 she said had never beenUsed it was like 40 years old it is made a stainless steel. The magnet will not stick to it. I don't understand this looked this up and certain steels are not magnetic, I tried a experiment with my compass it don't point north as should it follows the bottle opener as I move it around it. If not magnetic why is this happening? Also tried placing near another neodymium magnet with a pull of about 200 lbs. Not I tiny bit of attraction to the metal. If so why is the tiny magnet in the compass attracted to it. But not a huge powerfull magnet.
- That's interesting that it caused deflection in the compass. A lot of stainless steels may be SLIGHTLY magnetic, because they have small amounts of ferrite or alpha-iron in them. Ferrite is one of the crystal phases of steel. It has a body-centered cubic (BCC) structure and it's responsible for the magnetism of ordinary steels. Adding certain elements like nickel, manganese, or molybdenum, changes the crystal structure of the steel to a face-centered cubic (FCC) structure, which is NOT magnetic. This crystal phase is known as Austenite or gamma-iron. However most iron alloys contain some impurities that may cause the steel to be not completely transformed into the FCC austenite phase, small areas remain as ferrite.
- Q: What are the different coil leveling machine configurations used for steel coils?
- There are several different coil leveling machine configurations used for steel coils, depending on the specific requirements of the application. Some common configurations include single-leveler machines, which use a set of leveling rollers to reduce the coil's thickness variations; double-leveler machines, which employ two sets of leveling rollers for enhanced precision; and stretch leveling machines, which utilize a combination of roller leveling and tension to remove coil shape defects. These configurations can be further customized with additional features such as coil feeders, crop shears, or edge trimmers, depending on the desired end product and production requirements.
- Q: so i've started learning to play guitar in the past few weeks, and i'm using my sister's old guitar which isn't in very good condition, so i'm planning on buying a new one, but which would be better to buy, nylon string or steel string?
- it all depends nylon is faster, and brighter than steel, but is available only on acoustic as coil pickups won't detect them(only peizo will). That is one reason. Another is price, you tend to replace the nylon more often as it is weaker, and less resistant to corrision. EVEN THOUGH strings have a larger price range, and be cheaper than steel, or considerably more expensive. overall the nylon is brighter, but quite-er. Steel is louder, but deeper. nylon doesn't get feedback as easily, and is amazingly fast and easy to play. some think nylon sounds old fashoined(it looks it too, with an open headstock, ond classical look(sometimes mistaken as another name for it). MY SUGGESTION- visit your local music shop and try out steel, and nylons to in person get a feel for the sound.(remember that you get what you pay for, go as high in price as you can reasonably afford) ALWAYS TRY BEFORE YOU BUY, PLAY BOTH TYPES IN THE SAME RANGE OF PRICE(at least $400), THEN DECIDE WHAT SOUNDS BETTER TO YOU(and of course feels better and easier to play).
- Q: What are the different types of steel coil surface treatments for corrosion resistance?
- To enhance corrosion resistance, different methods are utilized for treating the surface of steel coils. These treatments create a protective layer that prolongs the lifespan of the steel and prevents corrosion. Some commonly used treatments for corrosion resistance include: 1. Galvanizing: Widely recognized as an effective method, galvanizing involves applying a layer of zinc to the steel coil's surface. The zinc acts as a sacrificial anode, corroding before the steel, thus safeguarding it against rust and corrosion. 2. Chromate conversion coating: This treatment entails applying a chromate-based solution to the steel coil's surface. The chromate forms a thin film that serves as a protective barrier against corrosion. Moreover, it improves the adherence of paint or other coatings that may be applied subsequently. 3. Phosphating: Phosphating is a process where a phosphate coating is added to the steel coil. This coating establishes excellent corrosion resistance by chemically bonding with the steel surface. It also enhances the adherence of subsequent coatings or paints. 4. Organic coatings: These coatings comprise paint or epoxy and are applied to the steel coil to create a barrier between the steel and its surroundings. They offer corrosion resistance and enhance aesthetic appeal. The selection of organic coating depends on the specific application and the desired level of corrosion protection. 5. Zinc-rich paint: Similar to galvanizing, zinc-rich paint contains a high concentration of zinc particles. When applied to the steel coil, these particles provide sacrificial protection, preventing corrosion. This coating is commonly employed in harsh environments or for steel coils exposed to frequent moisture or saltwater. It is important to consider various factors such as the application, environment, budget, and required level of corrosion resistance when choosing a surface treatment. Consulting with a steel coil manufacturer or corrosion specialist is advisable to determine the most suitable treatment for a specific situation.
- Q: explain what happen if carbon steel is exposed to an oxygen rich atmosphere at elevated temperature inside a furnace.
- Assuming the steel isn't actually melted, two things will happen. First, a layer of iron(ii) oxide, FeO will slowly develop on the surface, getting thicker over time. This layer is usually poorly bonded to the metal surface, it tends to flake off, exposing fresh metal. This is known as mill scale, it's also known as wustite which is the mineral term. Second, the surface of the steel will become decarburized, essentially becoming pure iron, not steel. The depth of the decarburized layer depends on the temperature, time, and the diffusivity of carbon in the steel at the given temp. This has some implications to engineering, in hot-rolling or forging of steel shapes for example. It's often the case that the stress and strain in a material is greatest at or near the surface. Therefore the weakened, decarburized layer at the surface may have a much greater detrimental effect on the steel's performance than might be expected. In a more specific example, die and tool steels depend on their carbon content for their strength and wear resistance, Therefore if such steels are heated in an oxidzing atmosphere, wear resistance is totally destroyed: The thin decarburized iron layer will be extremely soft and malleable.
- Q: How do steel coil manufacturers ensure employee safety?
- Employee safety in steel coil manufacturing is ensured through a range of measures and protocols aimed at preventing accidents, raising awareness, and providing appropriate training and protective equipment. Firstly, regular safety audits are conducted by manufacturers to identify and address potential hazards in the workplace. This involves inspecting machinery, equipment, and facilities to ensure they meet safety standards and are adequately maintained. To cultivate a safety-oriented culture, comprehensive training programs are implemented for all employees. These programs cover various topics such as proper equipment handling, safe practices for material handling, and emergency procedures. In addition, continuous training is provided to ensure employees remain updated on the latest safety protocols and best practices. Personal protective equipment (PPE) plays a crucial role in employee safety within steel coil manufacturing. Manufacturers ensure that employees are equipped with appropriate PPE, such as safety glasses, gloves, helmets, and protective clothing, and are trained in their correct usage. Regular checks are carried out to ensure that PPE is in good condition and promptly replaced when necessary. Manufacturers also employ engineering controls to minimize workplace risks. This may involve installing safety guards on machinery, implementing automated systems to reduce manual handling, and utilizing advanced technology for monitoring and controlling potential hazards. Regular maintenance and inspections are conducted to ensure that these controls function effectively. Moreover, a strong emphasis is placed on communication and employee involvement in safety programs. This includes encouraging employees to report hazards or near-miss incidents, conducting safety meetings and toolbox talks, and actively engaging employees in safety committees or teams. Manufacturers also foster a supportive environment where employees feel comfortable reporting safety concerns and suggesting improvements. Overall, steel coil manufacturers prioritize employee safety through a combination of measures, including regular safety audits, comprehensive training programs, provision of PPE, implementation of engineering controls, and the promotion of communication and employee involvement. These efforts contribute to the creation of a safe and secure working environment for all employees.
- Q: Does anyone know if there is any info on Steel Manufacturing techniques, utilyzing electro/mechanical methods in order to create carbon nanotubes from the %C already inherant in the steel. In other words just modifying the Geometry of the Carbon the already makes up some of the steel.
- I don't think that would work. First off, there's not enough carbon in steel - even very high carbon steels are only about 2% carbon. Second, the iron atoms in steel form a crystal lattice, in the shape of a cube, with another iron atom in the middle of the cube. Each cube is about 0.3 nm per side. Carbon atoms work their way into the crystals and displace the iron atoms. But a carbon nanotube is around 1 nanometer in diameter - that's 3 times as big as the iron lattice! So a nanotube wouldn't fit. One thing you might do, however, is make a composite - mix the materials together on a scale a little bigger than the atomic scale that the iron and carbon mix to make steel. Just like a carbon fiber bicycle frame or ski pole is strands of carbon (much bigger and not as strong as nanotubes) held together with epoxy, you could hold nanotube strands together with metal. Not sure it would be good for armor, but if you can figure out a way to do it, I'm sure someone will come up with a use for it!
- Q: How are steel coils inspected for hardness using hardness testers?
- To assess the strength and durability of steel coils, hardness testers are employed to examine their hardness. Hardness testers are specialized devices used to gauge a material's resistance to indentation or penetration. For steel coils, Rockwell or Brinell testers are commonly utilized. Both methods entail exerting a precise force onto the surface of the coil and measuring the depth of indentation or size of the impression made. In the case of Rockwell testing, a steel ball or diamond cone is pressed onto the coil's surface with a predetermined force. The depth of penetration is then measured and compared to a standardized scale in order to determine the hardness value. Different scales are employed based on the size and type of indenter in use. On the other hand, Brinell testing involves using a spherical indenter made of tungsten carbide or hardened steel. This indenter is pressed onto the coil's surface with a known force, and the resulting indentation is measured and compared to a standardized table to determine the hardness value. Both methods provide a quantitative measure of the steel coil's hardness, which serves as an indicator of its ability to resist deformation, wear, and cracking. The hardness test results are subsequently utilized to ensure that the steel meets specific quality standards or customer requirements. It is important to note that the inspection process may involve sampling, where representative sections of the steel coil are tested, or it may involve testing the entire coil, depending on the specific inspection requirements. Additionally, accurate and reliable results necessitate proper calibration and maintenance of the hardness testers.
- Q: Can steel coils be stored in unheated warehouses?
- Yes, steel coils can be stored in unheated warehouses. Steel coils are not typically affected by low temperatures, as they are durable and resistant to cold weather conditions. However, it is important to ensure that the warehouse is dry and free from moisture, as prolonged exposure to dampness can cause rust and corrosion on the steel coils.
FORWARDSTEEL is a manufacturer of galvanized sheets with well-equipped testing equipment and strong technical force.
With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in building materials and other industries.
1. Manufacturer Overview
| Location | Shandong, China |
| Year Established | 2010 |
| Annual Output Value | |
| Main Markets | 33.03% Southeast Asia 33.03% South America 20.18% Africa 13.76% Mid East |
| Company Certifications | ISO9001:2008 |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Tianjin Port, China |
| Export Percentage | 61% - 70% |
| No.of Employees in Trade Department | Above 100 People |
| Language Spoken: | Chinese, English |
| b) Factory Information | |
| Factory Size: | 10,000-30,000 square meters |
| No. of Production Lines | 10 |
| Contract Manufacturing | OEM Service Offered |
| Product Price Range | Low |
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Hot Dipped Galvanized Steel Coil
- Ref Price:
-
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50mt m.t.
- Supply Capability:
- 5000 tons per month 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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