Hot dipped galvanized steel sheets/coils DX51D
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
Hot dip galvanized steel coil and sheet | |
Technical Standard: | JIS 3302 / ASTM A653 / EN10143 |
Grade | DX51D / DX52D/ DX53D/ S250,280,320GD |
Types: | Commercial / Drawing / Deep Drawing / Structural quality |
Width | 500/650/726/820/914/1000/1200/1219/1220/1250mm |
Thickness | 0.12-4.0mm |
Type of coating: | Galvanized |
Zinc coating | Z30-700g/m2 |
Surface Treatment | Chromed / Skin-pass/ Oiled/Slightly Oiled/ Dry/ Anti-fingerprint |
Surface structure: | Zero spangle / minimized spangle / regular spangle/ big spangle |
ID coil | 508mm or 610mm |
Coil weight | 3-12 MT per coil |
Package: | Properly packed for ocean freight exportation in 20''containers |
Application: | Industrial panels, roofing and siding for painting |
Price terms | FOB,CFR,CIF |
Payment terms | T/T or L/C |
Delivery time | Within 30 days |
Remarks | Insurance is all risks |
MTC will be handed on with shipping documents | |
We accept the third party certification test,such as SGS/BV |
Technical data :
Hot dipped galvanized coil 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: What are the different types of steel sheet finishes for marine applications?
- Marine applications commonly employ several different types of steel sheet finishes to enhance durability and corrosion resistance in the face of constant exposure to moisture, saltwater, and harsh weather conditions. 1. Hot-dip galvanized: Among the most frequently used finishes for marine applications is hot-dip galvanization. This process involves coating the steel sheet with a layer of zinc, effectively safeguarding against corrosion. The zinc layer acts as a sacrificial barrier, preventing rust formation in the underlying steel. 2. Stainless steel: Highly resistant to corrosion, stainless steel sheets find widespread use in marine applications. These sheets are composed of a steel, chromium, and nickel alloy, providing exceptional strength and corrosion resistance. Different grades of stainless steel sheets are available, with 316 stainless steel being the most commonly utilized in marine environments. 3. Powder coating: Powder coating is a favored finish for steel sheets in marine applications. The process involves electrostatically applying a layer of powdered polymer to the steel sheet, which is then cured under heat to form a robust and durable coating. Powder coating offers good corrosion resistance and can be tailored in terms of color and texture. 4. Epoxy coating: To ensure superior protection against corrosion in marine environments, steel sheets are frequently treated with epoxy coatings. These coatings boast chemical resistance and excellent adhesion to the steel surface. Epoxy coatings are also renowned for their high impact and abrasion resistance. 5. Organic coating: Organic coatings, such as polyurethane or acrylic coatings, are employed to shield steel sheets in marine applications. These coatings create a protective barrier against corrosion and are commonly utilized in offshore structures, ships, and other marine equipment. It is important to consider various factors, including specific environmental conditions, budget, and desired aesthetics, when selecting a steel sheet finish for marine applications. Consulting with a professional or referring to industry standards and recommendations can aid in determining the most suitable finish for a particular marine application.
- Q: How are steel sheets inspected for defects?
- To ensure the quality and reliability of steel sheets, various techniques and methods are utilized for defect inspection. One such method involves trained inspectors conducting visual inspections, carefully examining the surface of the steel sheet for visible defects such as cracks, scratches, dents, or irregularities. This examination takes place under appropriate lighting conditions to optimize visibility. Another technique employed is magnetic particle inspection, primarily used for detecting surface or near-surface defects in ferromagnetic materials like steel. By applying a magnetic field to the steel sheet and subsequently introducing iron particles onto the surface, any defects present will attract these particles, forming visible indications. This allows inspectors to pinpoint the location and size of the defect. Ultrasonic inspection, on the other hand, utilizes high-frequency sound waves to identify internal defects within steel sheets. By passing ultrasonic waves through the material and utilizing sensors to detect any alterations in wave patterns caused by defects, this non-destructive testing method can identify imperfections such as voids, cracks, or inclusions that may not be discernible to the naked eye. Additional techniques employed for defect detection in steel sheets include eddy current testing, where electrical currents are induced in the material to identify surface defects, and X-ray inspection, which employs high-energy X-rays to reveal any internal flaws. In summary, a combination of visual inspection and non-destructive testing methods is utilized to conduct thorough defect inspections on steel sheets. This ensures that only high-quality sheets are utilized in various industries, including construction, automotive, and manufacturing.
- Q: Are the steel sheets heat-resistant?
- Indeed, steel sheets exhibit remarkable resistance to heat. Renowned for its elevated melting point, steel proves to be an apt substance for situations that entail exposure to extreme temperatures. It possesses the ability to endure heat without distorting or compromising its structural integrity. Nonetheless, the precise extent of this heat resistance may fluctuate contingent upon the distinct variety of steel and its composition. Certain steel alloys are intentionally formulated to possess an even greater resistance to heat, rendering them suitable for implementation in sectors like aerospace, automotive, and construction, where elevated temperature environments are prevalent.
- Q: How do steel sheets perform in terms of acoustic insulation?
- Steel sheets have poor acoustic insulation properties as they are dense and highly conductive, allowing sound to easily travel through them.
- Q: What are the different types of steel sheet alloys?
- There exists a range of steel sheet alloys, each possessing distinct properties and applications. Among the most prevalent steel sheet alloys are: 1. Carbon Steel: This variety, composed primarily of iron and carbon, serves as a fundamental form of steel. Its notable strength and affordability render it extensively used in the construction, automotive, and manufacturing sectors. 2. Stainless Steel: Distinguished by its resistance to corrosion, stainless steel is produced by introducing chromium and other alloying elements to carbon steel. It finds common employment in environments where hygiene and durability hold significance, such as kitchen appliances, medical equipment, and architectural structures. 3. Galvanized Steel: To protect against corrosion, this type of steel is coated with a layer of zinc. Galvanized steel sheets find frequent application in outdoor settings, including roofing, fencing, and automotive components. 4. Alloy Steel: Alloy steel sheets are created by incorporating diverse alloying elements, like nickel, chromium, and molybdenum, into carbon steel. These alloys heighten the strength, hardness, and wear resistance of the steel, rendering it suitable for industries such as aerospace, automotive, and machinery. 5. Tool Steel: This steel variety is specifically engineered for the production of tools and dies. It distinguishes itself through high hardness, resistance to deformation, and the ability to retain sharp edges. Tool steel sheets are commonly employed in the manufacturing of cutting tools, drills, and molds. 6. Electrical Steel: This steel undergoes specialized processing to minimize magnetic losses and enhance electrical conductivity. Electrical steel sheets are utilized in the production of transformers, electric motors, and generators. These examples represent merely a fraction of the diverse steel sheet alloys accessible. Depending on the specific requirements of a project or application, engineers can opt for the appropriate alloy to achieve the desired properties and performance.
- Q: What is the process of laminating steel sheets?
- The process of laminating steel sheets involves several steps to create a composite material that is stronger and more durable than traditional steel. First, the steel sheets are cleaned and prepped to remove any impurities or contaminants. This is important to ensure a strong bond between the layers and prevent any defects in the final product. Next, a layer of adhesive is applied to one or both sides of the steel sheets. The adhesive can be a thermosetting resin or a thermoplastic material, depending on the desired properties of the laminated steel. After the adhesive is applied, the steel sheets are stacked together, with the adhesive layer(s) in between. The sheets are then subjected to high temperature and pressure to initiate the bonding process. This can be done using a hydraulic press or a hot rolling mill. The combination of heat and pressure causes the adhesive to melt and flow, creating a strong chemical bond between the steel sheets. The high pressure ensures that the adhesive is evenly distributed and fills any gaps or irregularities between the sheets. Once the bonding process is complete, the laminated steel sheets are cooled and trimmed to the desired size and shape. They can then be further processed, such as by cutting, bending, or welding, to meet specific application requirements. Overall, the process of laminating steel sheets involves cleaning and prepping the sheets, applying adhesive, stacking the sheets, subjecting them to high temperature and pressure, cooling, and finalizing the shape. This process results in a composite material with improved strength, corrosion resistance, and other desirable properties compared to traditional steel.
- Q: What is the difference between a galvanized and aluminum steel sheet?
- The main difference between a galvanized steel sheet and an aluminum steel sheet lies in their composition and characteristics. Galvanized steel sheets are made from steel that has been coated with a layer of zinc, which helps to protect it from corrosion. This coating gives galvanized steel sheets a shiny, spangled appearance. On the other hand, aluminum steel sheets are made from aluminum alloy, which is naturally resistant to corrosion. Aluminum steel sheets are typically lighter and more malleable than galvanized steel sheets. Additionally, aluminum steel sheets have a duller, matte appearance compared to the shiny surface of galvanized steel sheets. Overall, the choice between galvanized and aluminum steel sheets depends on factors such as desired aesthetics, strength, corrosion resistance, and cost.
- Q: Can steel sheets be used for solar panel support structures?
- Yes, steel sheets can be used for solar panel support structures. Steel provides excellent strength, durability, and load-bearing capacity, making it a suitable material for supporting the weight of solar panels and withstanding environmental conditions. Additionally, steel sheets can be easily fabricated and customized to meet specific design requirements for solar panel installations.
- Q: What are the different surface finishes for pre-painted steel sheets?
- The different surface finishes for pre-painted steel sheets include smooth finishes, textured finishes, embossed finishes, and printed finishes. Smooth finishes have a glossy or matte appearance, while textured finishes have a patterned or grainy texture. Embossed finishes have raised or recessed designs on the surface, adding depth and visual interest. Printed finishes can mimic various patterns, such as wood grain or marble, providing a decorative and realistic look.
- Q: How do steel sheets handle expansion and contraction?
- Steel sheets handle expansion and contraction by allowing enough flexibility to accommodate changes in temperature. This is achieved through the inherent ductility and elasticity of steel, which enables it to expand and contract without significant deformation or damage. Additionally, steel sheets may be designed with specific expansion joints or gaps to further accommodate thermal changes and prevent buckling or warping.
Send your message to us
Hot dipped galvanized steel sheets/coils DX51D
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
Related keywords
