Prepainted Rolled Steel Coil for Roofing

Prepainted Rolled Steel Coil for Roofing

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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 description Info.

Surface Treatment:Coated

Technique:Cold Rolled

Standard:JIS

Color:All Ral Color Are Available

Zinc Coating:30-120G/M2

Width:914-1250mm

Thickness:0.18-0.6mm

Export Markets:Global

Additional Info.

Trademark:VST

Packing:Standard Export Package

Origin:China

Production Capacity:10000t/Month

Product Description

Main Feature:

1, Pre-painted Steel Coil Can be used in building material field, galvanized wire steel tape and mainly other fields.

2, All color can be customized

3, Good quality with competitive price

Performance testing of color coated steel coil
Item	Method	Consequence
Tensile Test	Tic-Tac-9mm 5mm cross cupping	No damage
Bending Test	T≤ 3	No damage
Boiling Test	100° Cboiling 1 hour	No damage
Water Resistance	1000hours immersion in 40° C(edge)	No damage
Moisture Resistance	50° C90%100hours(edge)	No damage
Fire Resistance	Samples were placed in incubators, remove greenhouse cooling, and then test the adhesion	Long-term Environment in 100° C
Fire Extinction	Liquefied petroleum gas or natural gas burner	Immediately turn off
Drug Resistance	10%hydrochloric acid, saturated calcium, 10%H2SO4, 10%NAOH, gasoline, ethanol	No color and trace change
Salt spray test	5%Nacl, 35± 2° C, 500hours	No damage

Coating performance test standard
Test item	Positive standard	Back standard
Dry film thickness(um)	14-16	7-9
Glass(60degree)	High 70± 5, medium40± 5, low30± 5	30± 5degree
T bending	3	3
Impact strength	6.3	5.8
Pencil hardness(H)	H	H
MEK(Per)	> 100	> 100
Cross cut	0 class	0 class
Acid resistance	50%H2SO4 immersion in300hrs, no color, wrinkling, fading, change
Alkali resistance	50%H2SO4 immersion in300hrs, no color, wrinkling, fading, change
Aging-resistance	1 st class loss of color and glass
Salt spray	500

FAQ

1.What's your MOQ?
25MT, it is for one container.
2.Do you have QC teams?
Yeah, sure, our QC team is very important, they will keep the quality control for our products.
3. What's your normal delivery time?
Our delivery time about 10-20days for standard sizes, if you have other requirements like hardness and width ,it is about 20-40days. But don't worry ,we also try our best for the delivery time ,because time longer and our cost is higher.
4.Are the products tested before shipping?
Yes, all of our PPGI and GI was qualified before shipping. We test every batch every day.

Q: All the appliances in my kitchen are stainless steel, and I hate how they look becuase every time I wash them they are full of streaks. Is there a good cleaner made for stainless steel that won't leave streaks?: I like Cerama Bryte. They make several stainless steel cleaning products. I love the Stainless Steel Cleaning Polish Conditioner Wipes. They also make Stainless Steel Appliance Cleaner.

Q: I'm writing a story, and trying to find out how hot it needs to be for steel to turn into a gas.: Steel is to broad. There are many types of steel with different melting/boiling points. Iron* has a boiling point of 5182 °F and a Heat of vaporization of 340 kJ·mol?1. iron is the main ingredient of steel, along with carbon and other various elements.

Q: I asked a question last week about stainless steel and got some great answers. I combed all over the internet to try to figure this one out but could not find anything. What resists bending better: chrome vanadium steel (i.e. a steel commonly used to make tools) or stainless steel 304. My guess would be the chrome vanadium alloy but thats just a guess. Which on resist's bending better and by how much (#'s please :-)). Also, if anyone knows if chrome vanadium steel is cheaper than stainless steel 304 that would be awesome? I can't find a price per pound on chrome vanadium steel anywhere! Please help. Thanks in advance-Josh: Steel Bending Strength

Q: Are you people aware of commercial steel warehouses, If yes then can you please explain their advantages and benefits?: Steel okorder /

Q: How are steel coils used in the production of metal staircases?: Steel coils are an essential component in the production of metal staircases. These coils, typically made of high-quality carbon steel, are first uncoiled and then go through a series of manufacturing processes to shape them into the required stair components. The first step in the production process involves cutting the steel coils into the desired lengths using specialized machinery. This allows for customized sizing to fit the specific staircase design. Once cut, the coils are then formed into various shapes and profiles, such as stringers, treads, and risers, through processes like bending, rolling, and stamping. The use of steel coils provides several advantages in the production of metal staircases. Firstly, steel is known for its strength and durability, making it an ideal material choice for staircases that need to withstand heavy loads and frequent use. The flexibility of steel coils allows for the creation of intricate and complex staircase designs, providing architects and designers with a wide range of options. Furthermore, steel coils can be coated or finished in various ways to enhance their appearance and protect them from corrosion. This can include painting, powder coating, or applying a protective layer such as galvanization. These finishes not only add aesthetic value to the metal staircases but also increase their longevity and resistance to wear and tear. In summary, steel coils are integral to the production of metal staircases as they provide the raw material that is shaped and formed into the necessary components. Their strength, flexibility, and ability to be finished in different ways make steel coils a versatile and reliable choice for manufacturing durable and visually appealing staircases.

Q: What are the dimensions of steel coils used in the aerospace industry?: The dimensions of steel coils utilized in the aerospace sector exhibit variability, contingent upon the particular application and prerequisites. Nonetheless, in a general sense, steel coils intended for aerospace purposes typically possess standardized dimensions to ensure compatibility and facilitate utilization. Ordinarily, the thickness of aerospace-grade steel coils falls within the range of 0.008 inches (0.2 mm) to 0.125 inches (3.2 mm). The width may span from approximately 0.5 inches (12.7 mm) to 72 inches (1829 mm), although narrower widths are more frequently encountered. Regarding the coil's length, it can extend from several hundred feet to thousands of feet, contingent upon the specific requirements of the aerospace manufacturer. It should be emphasized that these dimensions are not rigid and can be tailored to meet the requirements of the aircraft or aerospace component being produced. The dimensions of steel coils can also vary depending on the specific steel alloy employed and the manufacturing procedures implemented. Ultimately, the dimensions of steel coils within the aerospace field are determined by factors such as strength, weight, durability, and the specific requirements of the aerospace manufacturer or project.

Q: Can you weld copper or brass to steel?: Copper cannot be welded to steel since copper has a significantly lower melting point than steel, and brass has an even lower melting point than copper. Therefore, traditional fusion welding processes would not work. It's possible to braze copper to steel using brass as a filler metal, but this is not usually done because of practical concerns. (For example, the melting point of zinc brass is close enough to that of copper, that it's hard to heat the joint to the melting temperature of the brass without also melting the copper.) Rather, it's common to braze copper to steel using silver-copper-zinc brazing alloys instead. These alloys have a lower working temp. than zinc brass. Copper-silver-phosphorus brazing alloys, or zinc-tin hard solder could also be used. Also, solid state welding methods can be used to join copper to steel, but this is limited to very special applications. Friction welding can be used to join copper pipes and/or shafts to steel ones. Explosion welding can be used to join a copper or brass sheet to a steel plate. Forge welding may be possible between copper and steel, but I don't know of any applications for this.

Q: What are the applications of stainless steel coils?: The unique properties and characteristics of stainless steel coils contribute to their wide range of applications across various industries. Here are some key areas where stainless steel coils are extensively used: 1. In the manufacturing industry, stainless steel coils play a crucial role in producing automotive parts, kitchen appliances, machinery components, and construction materials. The exceptional corrosion resistance and durability of stainless steel make it an ideal choice for these manufacturing applications. 2. The construction industry heavily relies on stainless steel coils for roofing, cladding, structural supports, and reinforcement. Stainless steel's strength, ability to withstand harsh weather conditions, and aesthetic appeal make it a popular choice in architectural designs. 3. The food processing industry commonly utilizes stainless steel coils for equipment like food storage tanks, conveyors, and processing machinery. Stainless steel's hygienic properties, resistance to corrosion, and ease of cleaning make it suitable for maintaining the purity and safety of food products. 4. In the chemical industry, stainless steel coils are extensively used due to their excellent resistance to corrosion from chemicals and harsh environments. They are employed in the production of storage tanks, pipelines, and reactors that handle various chemicals and corrosive substances. 5. The energy sector extensively employs stainless steel coils in power generation, oil and gas exploration, and renewable energy systems. They are used in heat exchangers, turbine components, pipelines, and offshore structures due to their high resistance to corrosion, strength, and longevity. 6. The medical and pharmaceutical industry relies on stainless steel coils for their biocompatibility and resistance to corrosion. Stainless steel coils are used in the production of surgical instruments, medical implants, and medical equipment that require sterilization and durability. 7. The automotive industry utilizes stainless steel coils for various components like exhaust systems, fuel tanks, catalytic converters, and structural parts. Stainless steel's high heat resistance, strength, and resistance to corrosion and oxidation make it suitable for these automotive applications. These examples highlight the extensive range of applications for stainless steel coils. Their versatility, durability, and resistance to corrosion make them indispensable in numerous industries where reliability and longevity are crucial considerations.

Q: How are steel coils used in the production of transportation systems?: Steel coils are used in the production of transportation systems for various applications such as the manufacturing of automobile parts, railway tracks, and shipping containers. The coils are typically used to create strong and durable components that can withstand the harsh conditions and heavy loads associated with transportation.

Q: What are the different types of steel coil packaging methods?: There are several types of steel coil packaging methods, including shrink wrapping, strapping, wooden crates, and steel or plastic bands.

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