Color Galvanized Steel Coil for Roofing Sheet

Color Galvanized Steel Coil for Roofing Sheet

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Additional Info.

Packing:Standard Seaworthy Packing

Standard:JIS G3302-1998/EN10142/ASTM

Origin：China

HS Code:72107010

Production Capacity:400000ton Per Year

Product Description：

NAME: color galvanized steel for roofing sheet
SIZE:
Thickness: 0.12-1.5mm
Width: 600mm,750mm,762mm,900mm,914mm,940mm,1000mm,1050mm, 1090mm,1100mm,1200mm, 1219mm, 1250mm,1250mm
Length: According to the customer's request
Hardness:Soft( around HRB 65) ,full hard (HRB90-95)
Strength of Extension: more than 300Mpa
Yield Strength:370-380Mpa

Thickness tolerance: +/-0.02 mm(0.01 As you requested)
Width tolerance:+/ -2.0mm

ZINC, PAINT & COLOR:
Zinc coating: 30-275G/M2
Paint thickness: Top 15-25um + Back 8-10um
Paint: Epoxy Polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester
Color: As the RAL color standard or customer's sample

PACKING:
Coil weight: 3-5tons
ID: 508mm\610mm
Standard sea worthy package

STANDARD:
JIS G3302-1998/EN10142/ASTM A653/ASTM A792/ AISI/BS/ DIN/GB
Base mental: Hot galvanized steel,SGCC,SPCC,SPHC, DX51D+Z, Q195,etc
Quality: CQ,DQ,DX51D
Lifespan: 10-15 years

APPLICATION:

it is ideal for a wide range of applications,, such as pre-engineered buildings, architectural panels, roofing, siding, cladding, and many other building components.and also used back plate of appliance; wide range of construction, furniture industry, transportation industry, etc.

Specification：

Base mental	hot galvanized steel
Thickness	0.12-1.5mm
Width	600-1500mm
Coil Weight	3-5ton
Quality:	DX51D DQ CQ
Color	all RAL colors or as per customers' sample
Zinc-coating	30g/m2-275g/m2
Coil ID	508mm-610mm
Packing	standard seaworthy package
Technique	cold rolled, hot-dipped galvanizing, color coated
Painting	Top and bottom: 15-25mic RMP Back: 8-10mic
Tolerance	Thickness: +/-0.02mm Width: +/-2mm
Description	Pre-painted Steel Coil uses hot galvanized steel as its basic material, factory adopts advanced equipment to degrease, rinse, transform the galvanized steel, then make primary and refined lavation to the steel coils.
application	They are mainly applied for steel structure buildings, household appliance, furniture, transportation and other industries
feature	Pre-painted Steel Coils have excellent performance of decoration, corrosion resistance etc.
The special order can be negotiated

Product and Package:

Color Galvanized Steel Coil for Roofing Sheet

FAQ:

1. What is the minimum order quantity ?

Our MOQ is 50mt for each size. And we will consider to give more discount if you make big order like 1000 tons and more. Further more, the more appropriate payment term your offer the better price we can provide.

2. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.

3. How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

4.What is the validity of your quotation?

Normally 7 days.

5.What is your advantage?

24 hour quick response /Customer oriented/ Credit foremost/ Top quality Excellent

Q: Help me compare the speed of sound in air, water, and steel please?Thanks.: Sound travels fastest in steel and slowest in air. Water is in between. This is because the particles in solids are closer together than the particles in liquids or gases, and the particles in liquids are closer together than the particles in gases. The tighter particles are packed in a space, they collide more frequently. This allows sound, which is simply the combined collisions of particles, to travel fastest in solids. So, to reiterate, sound travels fastest in steel, then water, and slowest in air.

Q: How are steel coils used in the production of storage shelves?: Steel coils are used in the production of storage shelves by being cut and formed into the desired shape and size. These coils are then used to create the framework and support structures of the shelves, providing strength and durability.

Q: What are the common packaging defects in steel coils?: Some common packaging defects in steel coils include: 1. Edge damage: This occurs when the edges of the steel coil are not properly protected or wrapped, leading to dents, scratches, or even deformities along the edges. Edge damage can compromise the integrity of the coil and may result in reduced performance or structural issues. 2. Rust or corrosion: Steel coils are susceptible to rust or corrosion if they are not adequately protected during packaging. Exposure to moisture or harsh environmental conditions can lead to oxidation, resulting in the formation of rust spots or even widespread corrosion. This can weaken the steel and render it less suitable for its intended use. 3. Coil slippage: Improper packaging can cause the coils to shift or slip within the packaging material during handling or transportation. This can lead to misalignment, deformation, or interlocking of the coils, making them difficult to separate or use effectively. 4. Coil damage during handling: Rough handling, improper lifting techniques, or inadequate support can cause mechanical damage to the steel coils. This can result in dents, scratches, or even more severe structural damage, which may impact the functionality or performance of the steel coil. 5. Inadequate protection against impacts: Steel coils need to be adequately protected against impacts during transportation or storage. Insufficient padding or cushioning can lead to impacts or collisions, resulting in deformities, dents, or even fractures in the coil. 6. Improper coil strapping or banding: If the strapping or banding used to secure the steel coils is not properly applied or tightened, it can result in coil slippage or even complete unraveling of the packaging. This can lead to a tangled mess of steel coils, making them difficult to handle, transport, or use. 7. Insufficient labeling or identification: Proper labeling and identification are essential for efficient handling, storage, and tracking of steel coils. Inadequate or incorrect labeling can lead to confusion, delays, or even loss of the coils during transportation or storage. To avoid these common packaging defects, it is crucial to follow proper packaging guidelines, use appropriate packaging materials, provide adequate protection, and ensure proper labeling and identification of steel coils. Regular inspections and quality checks throughout the packaging process can help identify and rectify any defects before the coils are shipped or used.

Q: What are the common applications of steel coils?: Steel coils have a wide range of applications in various industries such as automotive, construction, manufacturing, and energy. They are commonly used for making components and parts in vehicles, buildings, appliances, and machinery. Steel coils can also be employed in the production of pipes, tubes, and electrical appliances. Additionally, they are utilized in the energy sector for manufacturing power transmission equipment and storage tanks.

Q: What are the safety standards for steel coil manufacturing?: The safety standards for steel coil manufacturing include proper handling and storage, regular equipment maintenance, adherence to operational procedures, personal protective equipment usage, and comprehensive training programs for employees. Additionally, safety protocols related to transportation and loading/unloading processes must be followed to ensure a safe working environment.

Q: What are the different methods of levelling steel coils?: There are several methods used for leveling steel coils, depending on the specific requirements and applications. Some of the common methods include: 1. Roller Leveling: This method involves passing the steel coil through a series of rollers that exert pressure on the material, effectively reducing any residual stresses and removing any waviness or curvature. Roller leveling is commonly used for thinner gauge coils where a high degree of flatness is desired. 2. Stretch Leveling: This method involves stretching the steel coil beyond its yield point to eliminate any shape defects. The coil is subjected to tension in a stretcher leveler machine, which elongates the material and removes the inherent stresses. Stretch leveling is often used for thicker gauge coils where a higher degree of flatness is required. 3. Temper Milling: This method involves passing the steel coil through a temper mill, which is a cold reduction mill equipped with work rolls on top and bottom. The temper mill imparts tension on the coil, flattening it and improving its shape and surface quality. This method is typically used for higher strength steel grades. 4. Corrective Leveling: This method is employed when the steel coil has significant shape defects, such as wavy edges or center buckles. Corrective leveling involves selectively removing material from specific areas of the coil to achieve a flat and uniform surface. This process is often done using laser or plasma cutting machines. 5. Tension Leveling: This method is similar to stretch leveling, but it involves applying tension to the coil without exceeding its yield point. Tension leveling utilizes a series of bridle rolls to stretch the material, thereby removing any internal stresses and leveling the coil. This method is commonly used for higher strength and thinner gauge coils. These methods can be used individually or in combination depending on the specific requirements of the steel coil and the desired end product. Each method has its advantages and limitations, and the choice of leveling method will depend on factors such as the coil thickness, material properties, and desired flatness.

Q: I'm kind of confused as to how the difference between a stainless steel and blued steel firearm is sometimes only $20 or so. Isn't stainless steel fairly more expensive to manufacture than plain carbon steel? Are some stainless steel firearms simply stainless steel finished with carbon steel underneath?: Stainless guns are made out of stainless steel. Now there are also guns that are coated in nickel. Those are made of the usual gun steel. Stainless steel isn't really that much more expensive than normal steel when bought in large quanities.

Q: What are the environmental impacts of steel coil production?: The environmental impacts of steel coil production include the extraction of raw materials, such as iron ore and coal, which can lead to deforestation, habitat destruction, and soil erosion. The steel manufacturing process also releases significant amounts of greenhouse gases, such as carbon dioxide, contributing to climate change. Additionally, the production of steel coils requires large amounts of water and energy, leading to water scarcity and increased carbon emissions.

Q: How are steel coils used in the production of consumer goods?: Steel coils are used in the production of consumer goods by being processed and shaped into various components, such as springs, wires, or tubes, which are then used in the manufacturing of products like automobiles, appliances, furniture, and packaging materials.

Q: What are the common coil storage conditions?: Common coil storage conditions include keeping the coils in a dry and well-ventilated area, away from direct sunlight and moisture. It is also important to store the coils in a clean and organized manner, preferably on pallets or racks, to prevent damage or deformation. Additionally, maintaining a stable temperature and humidity level is crucial to minimize the risk of corrosion or other forms of deterioration.

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