Hot Rolled Galvanized / Colored Coated Steel Coil

Hot Rolled Galvanized / Colored Coated Steel Coil

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Basic Info.

Surface Treatment:Galvanized

Width:600--1500mm

Export Markets:Global

Additional Info.

Packing:Sea Worth Packing

Origin:China(Mainland)

HS Code:7210700000

Product Description

Name: Steel coil, GI, Galvanzied steel coil,

Base Material: Hot DIP Al-Zinc coated steel sheet (AZ)

Hot DIP galvanized steel sheet (HDG)

Coating Mass: Zinc: 60-275G/M2, Al-Zn: 60-180G/M2.

Thickness: 0.21-1.55mm

Width: 600-1250mm

Internal Diameter: 508mm, 610mm

Quality standard: EN10142, EN10326, EN10169,

JIS3302, ASTMA755M, GB/T12754

Steel Grade: DX51D, DX52D, DX53D, S220GD, S250GD, SGCC

Surface Finish: Normal spangle,

Minimized spangle

Skin-passed spangle,

No spangle

Surface Treatment: Chromate-passivated (C)

Oiled (O)

Chromate-passivated + Oiled (C+O)

Untreated (U)

Anti-finger treatment

Phosphate treated(P)

Weight of coil: 1-8 MT

Package method: Vertical, Horizontal

Hot Rolled Galvanized / Colored Coated Steel Coil

FAQ:

Acceptable payment term and way?

T/T,L/C, T/T + L/C, D/P

Acceptable price term

FOB CNF CIF DDU CPT
Do you accept OA payment terms?

Yes, sure, but it normally depending on the order value
Do you have QC team?

Yeah, sure, our QC team is very important, they will keep the qualitycontrol for our products.
What is the validity of your quotation?

Normally 7 days.
What is your advantage?
24 hour quick response /Customer oriented/ Credit foremost/ Top quality Excellent
What is your acceptable payment term?

TT,LC,OA etc

Q: How are steel coils tested for mechanical properties?: Steel coils are tested for mechanical properties through various methods, including tensile testing, hardness testing, and impact testing. Tensile testing involves stretching the steel coil until it breaks to determine its strength, elasticity, and ductility. Hardness testing measures the resistance of the steel to indentation or scratching, indicating its overall toughness. Impact testing involves striking the coil with a pendulum to assess its ability to absorb energy without fracturing. These tests help evaluate the quality and performance of steel coils in different applications.

Q: What are the different methods of coil rewinding for steel coils?: There are several different methods of coil rewinding for steel coils, including manual rewinding, semi-automatic rewinding, and fully automatic rewinding. In manual rewinding, the coils are rewound by hand using a winding machine or tool. Semi-automatic rewinding involves the use of a machine that assists with the rewinding process, but still requires some manual intervention. Fully automatic rewinding, on the other hand, involves the use of advanced machinery that can automatically rewind the steel coils without any manual intervention. These different methods offer varying levels of efficiency, speed, and precision in the coil rewinding process.

Q: What are the factors affecting the lifespan of steel coils?: The lifespan of steel coils can be influenced by various factors. To begin with, the quality of the steel utilized in the coil manufacturing process plays a significant role. Steel of high quality, possessing appropriate composition and metallurgical properties, tends to have a longer lifespan in comparison to lower-quality steel. Moreover, the environment in which the steel coils are stored and utilized also impacts their longevity. Exposure to extreme temperatures, humidity, and corrosive substances can result in the degradation and corrosion of the coils, ultimately reducing their lifespan. To prolong the lifespan of the coils, it is crucial to maintain proper storage conditions, including controlled temperature and humidity levels. Additionally, the handling and transportation of steel coils can have an effect on their lifespan. Mishandling, such as dropping or improper loading and unloading, can lead to physical damage, causing premature failure of the coils. Similarly, rough transportation conditions characterized by excessive vibration or impact can contribute to coil deterioration and a reduction in their lifespan. Furthermore, the maintenance and care of the steel coils also play a role in determining their lifespan. Regular inspections, cleaning, and maintenance practices aid in the identification and resolution of potential issues before they escalate into major problems. Moreover, applying protective coatings or treatments to the coils can prevent corrosion and extend their lifespan. In summary, the lifespan of steel coils is influenced by a combination of factors, including steel quality, storage conditions, handling and transportation, and maintenance practices. It is essential to consider these factors and implement appropriate measures to ensure the longevity of the coils.

Q: How are steel coils stored?: Steel coils are typically stored in warehouses or outdoor yards. They are usually stacked on top of each other in a crisscross pattern to ensure stability. To protect them from moisture and corrosion, they are often wrapped in a waterproof cover or stored on pallets. Additionally, some coils may be stored in specially designed racks to prevent damage and allow for easy access.

Q: What are the common defects in steel coil surface finishes?: Scratches, pits, rust, oil stains, and uneven coating are all common defects that can be found on the surface finishes of steel coils. Scratches are typically caused by mishandling or transportation and can significantly impact both the appearance and performance of the coil. Pits, on the other hand, are small depressions that can be attributed to various factors such as impurities in the steel or incorrect processing techniques. Rust occurs when the coil is exposed to moisture or corrosive environments, and this can compromise the structural integrity of the material. If the coil is not adequately cleaned before or after processing, oil stains may appear, leaving unattractive marks on the surface. Lastly, uneven coating can arise during the application of protective coatings or paints, resulting in varying levels of protection and aesthetics across different areas of the coil. It is crucial to address these defects to ensure the steel coil's quality and durability in its intended applications.

Q: I know that mild steel is more brittle than cast iron....but that is all.......please help??Thank you in advance......Ruby:D: I know that mild steel is more brittle than cast iron You know wrong - cast iron is very brittle and mild steel is easy to bend and work. Cast iron is a high carbon product while mild steel is much lower carbon

Q: Which type is better and give reasons why... I making a team of either Dark or Steel :D Thankyou: Dark Steel Pokemon

Q: How are steel coils used in the manufacturing of power transmission towers?: Steel coils are used in the manufacturing of power transmission towers as they can be cut and shaped into various components such as beams, plates, and brackets. These components are then assembled to create the structure of the tower, providing strength and stability required to support the transmission lines.

Q: Why is the steel tape tape head not fixed?: It makes sense to be irregular;You can see the standard ruler of steel roll head is a gap, when you take the time to object quantity, the head will indent the gap, so you measure is the size of the head from the head of steel;When you hook the object, the head will pull apart and you'll take the dimension from the end of the steel head.

Q: What is the current value of steel? Is it expected to increase in value?: They'd never be worth much for their steel content, likely always less than face value. They might be worth a premium as coins, but not anything you'd call an investment.

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