• Pre-painted Galvanized/ Aluzinc  Steel  Sheet  Coil with Prime Quality and Lowest Price System 1
  • Pre-painted Galvanized/ Aluzinc  Steel  Sheet  Coil with Prime Quality and Lowest Price System 2
Pre-painted Galvanized/ Aluzinc  Steel  Sheet  Coil with Prime Quality and Lowest Price

Pre-painted Galvanized/ Aluzinc Steel Sheet Coil with Prime Quality and Lowest Price

Ref Price:
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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
10000 m.t./month

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1.Structure of Pre-painted Galvanized/Aluzinc Steel Coil Description

Pre-painted galvanized steel is good capable of decoration, molding, corrosion resistance. It generally displays workability, durability and weather resistance.

2.Main Features of the Pre-painted Galvanized/Aluzinc Steel Coil

 Excellent corrosion resistance

 Excellent weather resistance

 Excellent heat resistance performance

 High strength

 Good formability

 Good visual effect

 

3.Pre-painted Galvanized/Aluzinc Steel Coil Images

 

 

 

 Pre-painted Galvanized/ Aluzinc  Steel  Sheet  Coil with Prime Quality and Lowest Price

 

4.Pre-painted Galvanized/Aluzinc Steel Coil Specification

Quality standar: JIS G3312 CGCC & CGLCC
Hardness of P: Both soft and hard quality are available

Width : 914mm, 1000mm, 1220mm and 1250mm, thickness 600-1250mm is available
Surface finish: with or without protect film
Thickness : 0.14-1.20 mm
Finish by coil or sheet: Both sheet and coil are available
8Zinc coating: 60-275G/M2, both sides
Paint thickness for top side : 5 micron primer + (10-20) microns modified polyester, any RAL color code.
Paint thickness for back side: (5-10) microns Epoxy
Weight per coil: 4-6 tons, also can be upon customer's requirements

Max loading weight in one 20ft container : 25 tons generally

 

5. FAQ of Pre-painted Galvanized/Aluzinc Steel Coil

We have organized several common questions for our clientsmay help you sincerely 

 

What is the minimum order quantity ?  

And we will consider to give more discount if you make big order like 2000 tons and more. 

Q: What is the role of steel coils in HVAC systems?
Steel coils play a crucial role in HVAC (heating, ventilation, and air conditioning) systems as they are responsible for facilitating the transfer of heat between the air and the refrigerant. In HVAC systems, steel coils are typically used in two main components: the condenser coil and the evaporator coil. The condenser coil is located in the outdoor unit of an HVAC system and its primary function is to release the heat from the refrigerant into the surrounding air. This coil is made up of multiple steel tubes that are bent into a serpentine shape and are attached to aluminum fins. As the hot refrigerant flows through these tubes, the steel coils ensure maximum surface area contact with the surrounding air, allowing for efficient heat transfer. Through this process, the heat is dissipated into the outdoor environment, resulting in the cooling of the refrigerant. On the other hand, the evaporator coil is situated in the indoor unit of the HVAC system and its role is to absorb heat from the air inside the building. Similar to the condenser coil, the evaporator coil consists of steel tubes that are connected to aluminum fins. The refrigerant, in a cold state, flows through these tubes, and as warm air from the building passes over the coils, the heat is transferred from the air to the refrigerant. This heat absorption process cools down the air, which is then circulated back into the building, providing the desired cooling effect. Overall, steel coils in HVAC systems are essential for heat transfer between the air and the refrigerant. Their design and placement allow for efficient cooling or heating of the air, depending on the system's mode of operation. Without steel coils, HVAC systems would not be able to effectively regulate the temperature and provide the desired comfort levels in residential, commercial, and industrial buildings.
Q: What is the standard length of steel coils?
The standard length of steel coils can vary depending on the specific industry and application. However, a common standard length for steel coils is typically around 30 feet or 9.1 meters.
Q: What is the average turnaround time for processing steel coils?
The average turnaround time for processing steel coils varies depending on several factors such as the size, complexity, and specific requirements of the coils. However, it typically ranges from a few days to a couple of weeks.
Q: What are the dimensions of steel coils used in the construction materials industry?
The dimensions of steel coils used in the construction materials industry can vary depending on specific requirements and applications. However, there are some common dimensions that are frequently used. Steel coils in this industry typically have a width ranging from 600mm to 2,000mm, with the most common widths being 1,000mm and 1,200mm. The thickness of these coils can range from 0.4mm to 2.5mm, with the most commonly used thicknesses being between 0.6mm and 1.2mm. The inner diameter of the coil, known as the core size, can vary from 508mm to 610mm, with 610mm being the most widely used core size. Additionally, the weight of these coils can also vary, with common weights ranging from 3 to 15 tons. It is important to note that these dimensions may vary based on specific project requirements and can be customized to suit the needs of a particular construction project.
Q: I don't know it is low alloy steel or high allow steel or medium carbon steel
Yes,30CrNiMo8 is a high grade alloy steel. *These steels generally contain higher carbon concentration (0.25%). As they are hardenable their mechanical properties can be tailored to specific needs by suitable adjustment of the annealing temperature. Finished products can be hardened to have a high surface hardness in combination with a tough and ductile core. The mechanical properties increase with increasing carbon concentration. Cr and Ni add additional improvements in properties. The Mn grades are a little cheaper. V and Mo add improved temperature resistance. The grades Cxx are developed for less stringent quality requirements but are cheaper.
Q: How do steel coils compare to aluminum coils?
Steel coils are generally stronger and more durable than aluminum coils. They have a higher tensile strength and better resistance to impact and abrasion. However, aluminum coils are lighter, more corrosion-resistant, and have better thermal conductivity. The choice between steel and aluminum coils depends on the specific application and the desired characteristics such as strength, weight, and corrosion resistance.
Q: What are the common methods of recoiling steel coils?
Manufacturers and customers have various options when it comes to recoiling steel coils. One frequently used method is slitting, which employs rotating circular blades to cut a wide steel coil into narrower strips. This results in multiple smaller coils with desired widths. Slitting is commonly employed to create coils of different sizes for diverse applications. Another technique is known as cut-to-length (CTL) recoiling, where the steel coil is cut into specific lengths according to the customer's requirements. This involves passing the coil through a straightening and leveling machine, followed by a flying shear that cuts the steel into the desired lengths. CTL recoiling is particularly useful in industries that demand precise and uniform steel lengths, such as construction or automotive. Furthermore, there is a method called coil-to-coil recoiling. This process involves rewinding the steel coil onto a new coil with the desired dimensions and properties. Coil-to-coil recoiling is typically utilized when the original coil needs resizing, reconditioning, or rerolling for further processing or transportation purposes. Specialized recoiling machines ensure proper tension, alignment, and winding of the steel coil onto the new coil. In conclusion, the recoiling of steel coils can be accomplished through various methods, including slitting, cut-to-length recoiling, and coil-to-coil recoiling. Each method offers its own advantages and is chosen based on factors such as required coil dimensions, precision, efficiency, and the specific needs of the industry or customer.
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: I juuuust got a new stainless steel sink only 5 months ago, and it already has a couple rust spots on it.What caused this?!
Use a soft cloth or nylon sponge and a little bit of detergent on the spot. Do not use bleach, chlorine or otherwise. If this does not work, try a little baking soda. Always rince out the sink after you use it, soap film can leave a rainbow looking mark in the stainless steel. I take everything out of the sink after I wash dishes. I use a small amount of veg oil on a paper towel to shine up the sink.
Q: Can steel coils be used in structural applications?
Yes, steel coils can be used in structural applications. Steel coils are often processed into various shapes and forms, such as beams, columns, or plates, to provide structural support and strength in construction projects. The use of steel coils ensures durability, load-bearing capacity, and resistance to deformation, making them suitable for structural applications in buildings, bridges, and other infrastructure projects.

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