Galvanized Cold Rolled Sheet Coil for building
- 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: I want to know because I'm going to Hershey Park on Wednesday and Steel Force looks about the same size, so, I wanted to know. It's not that Steel Force is too big for me.
- steel force breaks the 200ft mark and is a steel out and back roller coaster. Tidal force is a water ride that is about 100 ft tall. If you can do Steel Force then you should be able to handle anything at Hersheypark. the on;y ride they have bigger is the Kissing Tower
- Q: What are the quality control measures for steel coils?
- Quality control measures for steel coils typically include various checks and inspections throughout the production process. These measures may include dimensional checks to ensure the coils meet specified thickness, width, and length requirements. Visual inspections are also conducted to identify any surface defects such as scratches, dents, or rust. Additionally, destructive and non-destructive tests like tensile strength, hardness, and ultrasonic testing are performed to assess the mechanical properties and internal quality of the steel coils. These quality control measures aim to ensure that the steel coils meet the required standards and are fit for their intended applications.
- Q: What are the common coil surface finish standards?
- The common coil surface finish standards include mill finish, brushed finish, mirror finish, and embossed finish.
- Q: How are steel coils used in the production of storage racks?
- Steel coils are used in the production of storage racks as they serve as the primary raw material for manufacturing the rack components. These coils are typically cut and formed into various structural shapes, such as uprights, beams, and crossbars, which are then assembled to create the storage rack system. The strength and durability of steel make it an ideal material for supporting heavy loads, ensuring the stability and longevity of the storage racks.
- Q: How are steel coils used in the manufacturing of automotive wheels?
- Steel coils are used in the manufacturing of automotive wheels by being processed and shaped into the necessary components such as rims and spokes. These coils are cut, formed, and welded to create the desired wheel design, ensuring durability and strength for safe and reliable use on vehicles.
- Q: What are the common coil thickness and width combinations available for steel coils?
- The common coil thickness and width combinations available for steel coils can vary depending on the specific requirements and standards of the industry. However, there are some commonly found combinations that are widely used. In terms of coil thickness, common options range from thin to thick coils. Thin coils typically have a thickness ranging from 0.4mm to 3.0mm, while medium thickness coils can be around 3.0mm to 6.0mm. For thicker coils, the range can be from 6.0mm to 25.0mm or even higher, depending on the specific application. Regarding coil width, it also varies based on the intended usage. Some common options include coils with widths of 600mm, 750mm, 900mm, 1000mm, 1200mm, 1250mm, and 1500mm. However, wider or narrower coils can also be available depending on the specific requirements of the customer or industry. Ultimately, the most suitable coil thickness and width combination will depend on factors such as the intended application, manufacturing processes, transportation limitations, and customer preferences. It is essential to consult with steel coil manufacturers or suppliers to determine the most appropriate options for your specific needs.
- Q: What are the common methods of slitting steel coils?
- There exists a variety of methods for slitting steel coils, each possessing their own distinct advantages and applications. 1. Rotary Shear Slitting: This technique utilizes rotary cutting knives to separate the steel coil. The coil is passed through the rotary shear machine, and the knives make simultaneous cuts along the coil's length. Rotary shear slitting is renowned for its high-speed operation and ability to handle thicker gauge materials. 2. Loop Slitting: Loop slitting involves introducing the steel coil into a looping pit, creating a loop of material. The loop is then pulled through a set of knives that make the cuts. This particular approach is commonly employed for thin gauge materials, providing precise cuts with minimal burr. 3. Drag Slitting: In drag slitting, the steel coil is fed through a series of driven rolls or drag pads, which maintain tension on the material. The coil is then guided through circular knives that perform the slits. Drag slitting is suitable for various steel gauges and offers good accuracy and edge quality. 4. Crush Slitting: Crush slitting entails passing the steel coil through a set of rolls, with one roll being rubber-covered and the other being hard. The rubber roll compresses the material against the hard roll, resulting in the slits. This method is commonly utilized for thin gauge or delicate materials, as it minimizes the risk of edge damage. 5. Laser Slitting: Laser slitting employs a high-powered laser beam to make precise cuts on the steel coil. This method is highly accurate and enables complex slitting patterns and narrow width cuts. Laser slitting is frequently utilized for high-end applications that demand superior edge quality. Each of these methods possesses unique advantages and is selected based on factors such as material thickness, desired edge quality, production speed, and cost considerations. It is crucial to meticulously select the appropriate slitting method to ensure the desired outcome and efficiency in steel coil processing.
- 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: How are steel coils used in the production of agricultural machinery?
- Steel coils are used in the production of agricultural machinery to create various components and parts such as frames, brackets, and structural supports. The coils are typically cut, shaped, and welded to form these components, providing strength, durability, and stability to the agricultural machinery.
- Q: How are steel coils inspected for weldability?
- Steel coils are inspected for weldability using various methods, such as visual examination, non-destructive testing (NDT) techniques like ultrasonic testing or magnetic particle inspection, and chemical analysis. These inspections help identify any surface defects, internal discontinuities, or impurities that may affect the weldability of the steel coils.
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Galvanized Cold Rolled Sheet Coil for building
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 36 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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