Best Quality Galvanized Steel Coil
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product information：
1)Operate Standard: ASTM A653M-04/JIS G3302/DIN EN10143/GBT 2518-2008
2)Grade : SGCD,SGCH, Q195,DX51D
3)Galvanized steel sheet /coil features:
4)Zinc coating :40-180g( as required)
5)width:914-1250mm(914mm, 1215mm,1250mm,1000mm the most common)
6)coil id:508mm/610mm
7)coil weight: 4-10 MT(as required)
8)surface: regular/mini/zero spangle, chromated, skin pass, dry etc.
9)application: Structural use ,roofing, commercial use, household appliance, industry, family;
special application: Wear resistant steel, high- strength - steel plate
Technical data :
Chemical Composition | ||||||
GRADE | C | Si | Mn | P | S | Ti |
SGCC/DX51D+Z | ≤0.10 | ≤0.50 | ≤0.60 | ≤0.10 | ≤0.030 | ≤0.020 |
DX52D+Z | ≤0.10 | ≤0.50 | ≤0.60 | ≤0.10 | ≤0.030 | ≤0.020 |
SGCD/DX53D+Z | ≤0.10 | ≤0.30 | ≤0.50 | ≤0.05 | ≤0.030 | ≤0.020 |
SGCE/DX54D+Z | ≤0.10 | ≤0.30 | ≤0.30 | ≤0.03 | ≤0.020 | ≤0.020 |
DX56D+Z | ≤0.10 | ≤0.30 | ≤0.30 | ≤0.03 | ≤0.020 | ≤0.020 |
Structural | ≤0.20 | ≤0.60 | ≤1.70 | ≤0.10 | ≤0.045 | |
hot dipped galvanized steel coil Mechanical Properties | |||
GRADE | Yield Strength MPa | Tensile Strength MPa | Elongation % |
SGCC(DX51D+Z) | ≥205 | ≥270 | - |
SGCD(DX53D+Z) | - | ≥270 | 38 |
SGCE(DX54D+Z) | - | ≥270 | 40 |
DX56D+Z | - | ≥270 | 42 |
- Q: Can you reload spent casings if they are steel?
- Technically they are reloadable but it's way too much effort and it'll probably cost more to do than its worth. I know you're probably asking this for surp. 7.62x54r right? The steel will have to be fully resized every time and you should only do it 1-2 time max to be safe. Also if your ammo is berdan primed the primers are very hard to find and these are a whole different beast than boxer primed. Short answer is yes but not worth it IMO.
- Q: How are steel coils used in the manufacturing of agricultural silos?
- Steel coils are used in the manufacturing of agricultural silos as they are rolled into large cylindrical shapes to form the outer structure of the silo. These coils provide strength, durability, and resistance to external elements, ensuring the silo can withstand the weight of the stored agricultural products and protect them from moisture and pests.
- Q: How are steel coils protected against moisture and humidity?
- Steel coils are typically protected against moisture and humidity through various methods such as applying a protective coating or wrapping the coils with moisture-resistant materials, such as plastic or wax paper. Additionally, storing the coils in a dry and controlled environment, such as a warehouse with proper ventilation, helps prevent moisture absorption.
- Q: How are steel coils inspected for thickness and width accuracy?
- Steel coils are inspected for thickness and width accuracy using non-destructive testing methods such as ultrasonic testing and laser measurement systems. Ultrasonic testing involves sending high-frequency sound waves through the coil, and by analyzing the reflected waves, the thickness of the steel can be determined. Laser measurement systems use lasers to scan the width of the coil, providing precise measurements. These inspection methods help ensure that steel coils meet the required thickness and width specifications.
- Q: What are the common coil surface treatments?
- Some common coil surface treatments include galvanizing, painting, and powder coating. These treatments help protect the coil from corrosion, improve its appearance, and increase its durability.
- Q: What are the different methods of embossing steel coils?
- There are several different methods of embossing steel coils, each with its unique characteristics and applications. Some of the most common methods include: 1. Hot embossing: This method involves heating the steel coil to a high temperature and then pressing it between two engraved rollers. The heat softens the steel, making it easier to imprint the desired pattern onto the surface. Hot embossing is often used to create intricate designs or textures on steel coils. 2. Cold embossing: In contrast to hot embossing, cold embossing does not involve heating the steel coil. Instead, it uses pressure and specially designed dies or stamps to create the desired pattern on the surface. Cold embossing is commonly used for simpler designs or when heat-sensitive materials are involved. 3. Roller embossing: Roller embossing is a method that utilizes a series of rollers with engraved patterns to imprint the design onto the steel coil. The steel coil is passed through the rollers, and the pressure applied causes the pattern to be transferred onto the surface. This method is often used for larger-scale production and can achieve consistent and uniform results. 4. Laser embossing: Laser embossing is a modern method that utilizes laser technology to create patterns on steel coils. The laser beam is directed onto the surface, selectively melting or vaporizing the metal to create the desired design. This method offers high precision and flexibility, making it suitable for intricate and detailed patterns. 5. Press embossing: Press embossing involves the use of a press machine equipped with custom-made dies to imprint the desired pattern onto the steel coil. The coil is placed between the dies, and the press machine applies pressure to transfer the pattern onto the surface. This method is commonly used for large-scale production and can achieve high-speed and high-volume embossing. Overall, the choice of embossing method depends on various factors such as the desired design complexity, production volume, material properties, and cost considerations. Each method has its advantages and limitations, and manufacturers must carefully select the most suitable method for their specific requirements.
- Q: What are the different methods of leveling steel coils?
- There are several methods used to level steel coils, including roller leveling, stretcher leveling, and tension leveling. Roller leveling involves passing the coil through a series of rollers that gradually bend and flatten the steel to remove any curvature or unevenness. Stretcher leveling uses hydraulic or mechanical forces to stretch the steel in order to eliminate any residual stress and improve flatness. Tension leveling applies tension to the steel coil while it is being passed through a series of rolls, which helps to remove any waviness or shape defects. These methods are employed depending on the specific requirements and desired flatness of the steel coils.
- Q: How are steel coils used in the production of pipes and tubes?
- Steel coils are used in the production of pipes and tubes by being fed into a pipe or tube mill, where they are unraveled, formed, and welded together to create the desired size and shape of the pipe or tube.
- Q: How are steel coils inspected?
- Steel coils are inspected using various methods such as visual inspection, ultrasonic testing, magnetic particle inspection, and eddy current testing. These techniques help identify any defects, irregularities, or damages in the steel coils, ensuring their quality and suitability for further processing or use.
- Q: What is the process of recoiling steel coils?
- The process of recoiling steel coils involves rewinding or unrolling large steel coils to create smaller, more manageable coils. This process is typically carried out in steel processing plants or coil service centers. The first step in the recoiling process is to identify the appropriate coil to be recoiled. This selection is based on factors such as coil size, weight, and quality. Once the coil is chosen, it is placed onto a recoiling machine, which is equipped with various mechanisms to facilitate the recoiling process. The recoiling machine consists of a mandrel or drum, around which the coil is wound or unwound. The coil is secured onto the mandrel, either by mechanical clamps or hydraulic pressure, to ensure it remains stable during the recoiling process. In the case of rewinding or recoiling a large coil into smaller coils, the machine starts by unwinding the original coil. This is done by rotating the mandrel in the opposite direction, causing the coil to gradually unroll. As the coil unwinds, it passes through various straightening and flattening mechanisms, which help to ensure the coils are produced with consistent dimensions and quality. Once the original coil is completely unwound, the machine starts the rewinding process. The smaller coils are created by winding the steel strip onto the mandrel in a controlled manner. The speed and tension of the rewinding process are carefully regulated to prevent any damage to the steel strip. During the recoiling process, various quality control measures are implemented to ensure the produced coils meet the desired specifications. These may include monitoring the thickness, width, and surface quality of the steel strip, as well as conducting periodic inspections to detect any defects or irregularities. Once the rewinding process is completed, the smaller coils are typically removed from the mandrel and prepared for further processing or shipment. This may involve applying protective coatings, labeling, or packaging the coils, depending on their intended use. In summary, the process of recoiling steel coils involves unwinding large coils, straightening and flattening the steel strip, and rewinding it onto a mandrel to create smaller, more manageable coils. This process requires specialized machinery and careful control to ensure the quality and consistency of the recoiled coils.
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Best Quality Galvanized Steel Coil
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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