Galvanized Cold Rolled Sheet Coil for building
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 36 m.t.
- Supply Capability:
- 30000 m.t./month
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Brief Introduction
1. Prepainted Galvanized Steel Coil is coated with organic layer, which provides higher anti-corrosion property and a longer lifespan than that of galvanized steel sheets.
2. The base metal for Prepainted Galvanized Steel Coil is HDGI Steel. The finish coats of Prepainted Galvanized Steel Coil can be classified into groups as follows: polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc.
3. The production process has evolved from one-coating-and-one-baking to double-coating-and-double-baking, and even three-coating-and-three-baking.
4. The color of the Prepainted Galvanized Steel Coil has a very wide selection, like orange, cream-colored, dark sky blue, sea blue, bright red, brick red, ivory white, porcelain blue, etc.
5. The Prepainted Galvanized Steel Coil can also be classified into groups by their surface textures, namely regular prepainted sheets, embossed sheets and printed sheets.
Specification
1. Thickness: 0.3-0.8mm
2. Width: 914-1250mm
3. Inner Diameter: 508mm
4. Weight of Steel Coil: 3-15MT
5. Available Dipped Layer: 50-150g/m2
6. Surface Texture: Normal Coated
7. Type of coating structure: 2/1 Coat the top surface of the steel sheet twice, coat the bottom surface once, and bake the sheet twice.
8. Front Side Paint Thickness: 15-25μm (bottom paint+top paint)
9. Back Side Paint Thickness: 5-10μm
Mechanical Properties
1. Mechanical properties of base metals
Grade | Tensile Test | ||
Yield Strength MPa | Tensile Strength MPa | Elongation A80mm % ≥ | |
DX51D+Z | 140-350 | 270-500 | 22 |
DX52D+Z | 140-300 | 270-420 | 26 |
DX53D+Z | 140-260 | 270-380 | 30 |
2. Common performance of front coating
(1). Thickness: ≥20μm
(2). Pencil Hardness: 2H
(3). 60° specular glossiness of coating: >60
(4). 180°bend: ≤3T
(5). Impact: ≥9J
(6). Salt Fog Resistant: ≥500h
(7). Color difference: <3ΔE
- Q: What are the quality control measures for steel coils?
- Quality control measures for steel coils include conducting visual inspections to check for surface defects, such as scratches, dents, or discoloration. Measurements are taken to ensure the proper dimensions and thickness of the steel coil. Mechanical properties, such as tensile strength and yield strength, are also tested to ensure they meet the required standards. Additionally, tests may be performed to check for coatings, such as zinc or paint, to ensure they are applied correctly and adhere properly to the steel surface.
- Q: describe the benifits and disadvantages of the using steel as a material for fasteners
- There are different grades of steels which can suit different application considering corrosion,surrounding atmosphere,pressure,temperature and many more. Let us take the stainless steel fasteners: 1.Resists Rust: The primary advantage to using stainless steel bolts is that they resist rusting. This makes them ideal for outdoor or marine uses, since moisture will not cause them to corrode. Rust basically eats steel and makes it weaker. A rusty, weak bolt can be a serious safety risk, because it can break under a load. 2.Clean: Stainless steel bolts are very easy to clean due to having a higher content of chromium, which creates a lustrous, mirror-like surface that is very smooth. This makes stainless steel an ideal option if aesthetics are an issue. 3.Temperature: Stainless steel has a high melting point, which makes it a good option in machines that are put through immense amounts of heat. The bolts will not fuse together, and can be unfastened when the machines need repairs. Also, in very cold conditions, steel can become brittle. By mixing nickel into the stainless steel, the metal resists becoming brittle at low temperatures. See the source link for details.
- Q: I found this amazing kid on youtube - is he using nylon or steel strings?(I'm buying my first guitar! helpp)oh and is fingerstyle also possible in steel string guitar? does it hurt?(I might sound really stupid-..)thanks a lot
- In that video, he is using a steel-string acoustic guitar. However, when choosing between a nylon string guitar and a steel string guitar, you must consider a few things. Steel-string guitars are more painful in the beginning for the fretting hand, but that means you'll have more strength in your fingers faster. Nylon-string guitars are easier on the fingers and sound much smoother and calmer than steel-string guitars. Also, nylon-string guitars have a wider neck and that neck meets the body at the twelfth fret, while most steel-string guitars have a thinner neck that meets the body at the fourteenth fret. Have fun with your first guitar! :)
- Q: How do steel coils contribute to durability and longevity in products?
- Steel coils contribute to durability and longevity in products due to their inherent strength and resistance to corrosion. By using steel coils as a material, products benefit from enhanced structural integrity and the ability to withstand heavy loads, mechanical stress, and harsh environmental conditions. The flexibility and resilience of steel coils also ensure that products can maintain their shape and functionality over a prolonged period, making them highly durable and long-lasting.
- Q: What are the different types of steel coil cuts?
- There is a wide range of steel coil cuts utilized in various industries. These cuts are made during the steel manufacturing process to produce steel coils of different sizes and shapes, which can be employed for diverse applications. 1. Slit Coil: Among the most frequently employed steel coil cuts is the slit coil. This process involves cutting a large steel coil into narrower strips or slits. Slit coils are commonly utilized for applications that necessitate smaller widths, such as automotive parts, appliances, and construction materials. 2. Sheet Coil: Another type of steel coil cut is the sheet coil, which entails cutting a large coil into flat sheets. These sheets can be further processed to create different products, like roofing materials, cladding, or fabrication components. 3. Blanked Coil: The blanking process involves cutting a steel coil into custom-shaped blanks. These blanks can be used for various purposes, such as forming into different parts, stamping, or machining. Blanked coils find common usage in industries like automotive, aerospace, and manufacturing. 4. Precision Slit Coil: Precision slit coil is a specialized type of coil cut that involves cutting the steel coil with high precision and accuracy. This process ensures consistent width tolerances throughout the coil, making it suitable for applications that require precise dimensions, such as electrical components, precision tools, and automotive parts. 5. Oscillate Wound Coil: Oscillate wound coil is a unique type of steel coil cut that involves winding the steel strip in a zigzag pattern rather than a traditional flat coil. This method allows for tighter coil winding and maximizes the amount of steel on a coil. Oscillate wound coils are commonly used in industries that require high-volume production, such as stamping and roll forming. In conclusion, the diverse types of steel coil cuts cater to the specific needs of various industries, providing them with the flexibility to create products of different sizes, shapes, and dimensions.
- Q: In the warehouse management system of steel coil
- Warehouse is an important component of enterprise material supply system. It is also the tache of enterprise material circulation and storage, and it also undertakes many functions of material management. Its main tasks are to keep the stock well, to be accurate, to be of good quality, to ensure safety, to prompt the people, to produce, to be considerate, to reduce costs, and to speed up capital turnover.
- Q: i need a company that sells strong steel doors because my neighbors apartment was broken into. I need a strong steel door for the outside of the home, where you first enter. please list places in the US, or in NY.
- You okorder
- Q: How are steel coils used in the production of roofing panels?
- Steel coils are used in the production of roofing panels by being fed through a machine that shapes and cuts the steel into the desired panel size and shape. The coils are unrolled and flattened, then passed through a series of rollers to form the corrugated or flat panel profile. This process ensures the panels have the strength and durability required for roofing applications.
- Q: What are the different grades of steel used for manufacturing coils?
- Manufacturing coils requires the use of various grades of steel, each selected for their specific properties and suitability for different purposes. Some commonly used grades include low carbon steel, high carbon steel, stainless steel, galvanized steel, and alloy steel. Low carbon steel, also known as mild steel, is a cost-effective option with good formability. It is ideal for applications that require low strength and high ductility, such as automotive components and construction materials. High carbon steel is characterized by its exceptional strength and hardness. It is commonly employed in the production of coils that demand high tensile strength, like springs and wires. Stainless steel, an alloy with a high chromium content, offers corrosion and oxidation resistance. It is often utilized in the manufacturing of coils for the food industry, medical equipment, and automotive applications. Galvanized steel, on the other hand, is steel coated with a layer of zinc to safeguard it against corrosion. It is frequently used in the production of coils that will be exposed to harsh environmental conditions or require excellent durability, such as roofing materials and electrical appliances. Alloy steel, formed by adding elements like manganese, nickel, chromium, or molybdenum to carbon steel, exhibits improved strength, hardness, and resistance to wear and corrosion. It finds wide application in industries that necessitate high strength and toughness, such as aerospace and automotive. Choosing the appropriate grade of steel is crucial to ensure optimal performance and longevity of the coils, as it is essential to match the specific requirements of the application.
- Q: Hi, I need to know why stainless steel is rust proof please tell me its for my science project. :)
- Stainless steel is an alloy of iron and other metals, notably Chromium and vanadium. You do not see it with the naked eye but at the surface of any stainless steel (SS) there are iron atoms and chromium atoms that are exposed. However, the chromium reacts preferentially to form an oxide. In essence, think of chromium sacrificing itself for iron so that iron will not rust. What a nice guy huh! This is called passivation just like most responders said. However, more than that the chromium oxide forms a tight protective layer that forms a physical barrier preventing Oxygen or any oxidant to reach and attack the iron underneath it. Also, the chromium oxide formed is not FLAKY and porous, so it does not mar much of the surface as an iron oxide (rust) would. For science project, you may not make it too technical but you can make a reference or make an ANALOGY of rust prevention to high school or social situations as being there for your friend or classmate But in real life, when the odds are too great, that protection afforded by chromium may not be enough. Because eventually all steel exposed to very oxidizing atmospheres will rust. Just a little break in the surface is enough to start the process of rusting.
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Galvanized Cold Rolled Sheet Coil for building
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 36 m.t.
- Supply Capability:
- 30000 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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