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
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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 is the difference between zinc-coated and zinc-aluminum coated steel sheets?
- Zinc-coated steel sheets are made by applying a layer of pure zinc onto the surface of the steel through a process called galvanization. On the other hand, zinc-aluminum coated steel sheets are created by combining zinc and aluminum in a specific ratio before applying it to the steel surface. The addition of aluminum enhances the corrosion resistance and durability of the coating compared to pure zinc-coated sheets.
- Q:Can steel sheets be used for construction purposes?
- Yes, steel sheets can be used for construction purposes. They are commonly used in various construction applications such as roofing, wall cladding, flooring, and structural components due to their durability, strength, and resistance to fire and corrosion.
- Q:What are the different bending radius options for steel sheets?
- The bending radius options for steel sheets can vary depending on the thickness and type of steel being used. Generally, the bending radius for steel sheets ranges from 0.5 to 2 times the thickness of the sheet. For thinner sheets, such as those with a thickness of 0.5mm to 2mm, a bending radius of 0.5 to 1 times the sheet thickness is typically recommended. This allows for a tighter bend without risking cracking or deformation of the steel. For thicker sheets, such as those with a thickness of 2mm to 6mm, a bending radius of 1 to 1.5 times the sheet thickness is commonly used. This ensures that the steel retains its structural integrity and prevents any excessive stress or strain during the bending process. For even thicker sheets, typically above 6mm, a bending radius of 1.5 to 2 times the sheet thickness is often required. This larger bending radius helps to avoid any potential damage or distortion to the steel, ensuring a successful bending operation. It is important to note that these bending radius options are general guidelines and may vary depending on the specific steel grade, composition, and intended application. It is always recommended to consult the manufacturer's recommendations or seek expert advice when determining the appropriate bending radius for steel sheets.
- Q:How do steel sheets handle expansion and contraction?
- Due to its unique properties, steel sheets are capable of managing expansion and contraction in a predictable and controlled manner. Steel is renowned for its remarkable strength and durability, enabling it to endure the forces exerted during expansion and contraction without compromising its structural integrity. When steel sheets are exposed to high temperatures, such as those experienced during welding or in extreme environmental conditions, expansion occurs. This expansion is a result of the accelerated movement of steel molecules due to heat, leading to an increase in size. However, steel possesses a relatively low coefficient of thermal expansion, causing it to expand less compared to materials like concrete or wood. This property makes steel an advantageous choice for applications where dimensional stability is crucial. To effectively manage expansion, steel sheets are often designed with expansion joints or gaps that allow for movement. These joints can be found in structures such as bridges, buildings, or pipelines. They are strategically placed to accommodate the anticipated expansion and contraction of steel sheets without causing damage or deformation. Furthermore, the ability of steel to contract is equally significant. When exposed to lower temperatures, steel sheets shrink or contract. Although this contraction is typically less noticeable than expansion, it still needs to be taken into consideration in engineering designs. Fortunately, the contraction of steel is generally within acceptable limits and does not compromise the material's structural integrity. Overall, steel sheets are engineered to effectively handle expansion and contraction. The combination of a low coefficient of thermal expansion and the presence of expansion joints allows steel to accommodate temperature fluctuations without inducing significant stress or deformation. This makes steel a reliable and versatile material for numerous industries, including construction, manufacturing, and infrastructure.
- Q:How do steel sheets perform in fire resistance?
- Steel sheets have excellent fire resistance properties due to their high melting point and low thermal conductivity. In the event of a fire, steel sheets retain their structural integrity and can prevent the spread of flames and smoke. They provide a reliable barrier against heat transfer, offering protection to the surrounding areas and reducing the risk of structural collapse.
- Q:Are the steel sheets resistant to impact or denting?
- Yes, steel sheets are highly resistant to impact and denting. Steel is known for its exceptional strength and durability, making it one of the most reliable materials for various applications. The inherent properties of steel, such as its high tensile strength and toughness, provide excellent resistance against impact and denting. Additionally, steel sheets can be further enhanced with special coatings or treatments to increase their resistance to impacts or dents, making them even more reliable in demanding environments. Overall, steel sheets are a preferred choice for applications where impact resistance and denting are significant concerns.
- Q:How do steel sheets perform in terms of corrosion resistance?
- Steel sheets possess good corrosion resistance in general, particularly when they are coated with protective layers like zinc or alloys. The corrosion resistance of steel sheets relies on the steel's composition and quality, as well as the environment in which they are employed. Stainless steel sheets, for instance, demonstrate remarkable resistance against corrosion due to the presence of chromium and other alloying elements. These sheets prove highly effective in environments with elevated humidity, exposure to saltwater, or acidic conditions. However, in aggressive environments, uncoated or low-alloy steel sheets may be vulnerable to rust and corrosion. Regular maintenance, such as the application of protective coatings or the use of corrosion inhibitors, can enhance the corrosion resistance of steel sheets and extend their lifespan.
- Q:Can steel sheets be used for elevator doors?
- Yes, steel sheets can be used for elevator doors. Steel is a commonly used material for elevator doors due to its strength, durability, and fire-resistant properties.
- Q:Can steel sheets be used for insulation cladding?
- No, steel sheets are not typically used for insulation cladding. Insulation cladding is usually made of materials with thermal insulation properties such as foam boards, mineral wool, or fiberglass. These materials are chosen for their ability to reduce heat transfer and improve energy efficiency. Steel sheets, on the other hand, are commonly used for structural purposes or as a protective layer due to their strength and durability. While steel sheets can provide some level of protection, they do not possess the necessary insulation properties to effectively prevent heat or cold transfer. Therefore, it is recommended to use appropriate insulation materials specifically designed for cladding purposes.
- Q:Can the steel sheets be used for kitchen countertops?
- Kitchen countertops can indeed be made from steel sheets. Steel proves itself as a durable and enduring material, capable of withstanding high temperatures, rendering it fitting for kitchen purposes. Moreover, it is resistant to stains, scratches, and water damage, simplifying cleaning and maintenance. Furthermore, steel countertops can lend a sophisticated and contemporary appearance to any kitchen. Nevertheless, it is essential to be mindful that steel is susceptible to scratches and dents, necessitating caution when handling sharp utensils or heavy objects on the countertop.
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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
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