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 hot dipped galvanized and electro galvanized steel sheets?
- Galvanized steel sheets can be categorized into two types: hot dipped galvanized and electro galvanized. These two types differ in how they are applied and the resulting characteristics of the coating. Hot dipped galvanized steel sheets are made by immersing the steel into a bath of molten zinc. This process creates a thick and durable coating that effectively prevents corrosion. The zinc completely covers the surface and edges of the steel, ensuring comprehensive protection against rust and other forms of degradation. The thickness of the coating can be adjusted based on the specific application and level of protection required. On the other hand, electro galvanized steel sheets are produced through electroplating the steel with a thin layer of zinc. First, the steel is cleaned and treated with an acid solution to remove impurities and enhance adhesion. Then, it is submerged in a solution of zinc electrolyte, and an electric current is applied to the bath. This causes the zinc ions to bond with the surface of the steel. As a result, the coating formed is much thinner compared to hot dipped galvanized steel. Due to the thinner coating, electro galvanized steel sheets offer less resistance to corrosion compared to their hot dipped counterparts. They are more suitable for indoor applications or environments with less exposure to harsh conditions. However, electro galvanized steel sheets have their own advantages, such as a smoother and more uniform appearance. This makes them a popular choice for applications where aesthetics play a significant role, such as automotive parts or appliances. In conclusion, the primary distinction between hot dipped galvanized and electro galvanized steel sheets lies in their application method and the resulting thickness of the coating. Hot dipped galvanized steel sheets have a thicker and more durable coating, providing superior protection against corrosion. On the other hand, electro galvanized steel sheets have a thinner coating, making them more suitable for indoor applications and offering a smoother appearance.
- Q:Is galvanized iron sheet the same as galvanized steel sheet? solve
- One is the same, but one is a thin plate, and the other is a thick plate
- Q:How are steel sheets protected during welding?
- Shielding plays a crucial role in safeguarding steel sheets during welding. Its purpose is to shield the sheets from oxygen and other atmospheric contaminants that can lead to oxidation and impurities in the weld. Multiple methods are utilized to shield the steel sheets during welding. One commonly employed approach involves using a shielding gas, such as argon or carbon dioxide, which is directed towards the welding area to establish a protective atmosphere. This gas displaces the surrounding oxygen, effectively preventing it from reacting with the heated metal and causing oxidation. In addition to the use of shielding gas, another widely used method involves employing flux. Prior to welding, a substance known as flux is applied to the joint area of the steel sheets. Acting as a protective barrier, the flux creates a molten slag that covers the weld and provides shielding from the atmosphere. Flux can take the form of a powder, paste, or even a continuous wire feed during welding. Furthermore, certain welding techniques, like submerged arc welding, combine the use of both shielding gas and flux to offer optimal protection for the steel sheets. This technique involves the continuous feeding of granular flux along with the welding wire. As the flux melts, it forms a protective layer over the weld, while the shielding gas effectively prevents any atmospheric contamination. Overall, the safeguarding of steel sheets during welding is crucial for ensuring the weld's quality and integrity. Shielding methods, such as the use of shielding gas and flux, establish a protective environment that prevents the formation of oxidation, impurities, and other defects in the weld. Consequently, this results in a robust and long-lasting joint between the steel sheets.
- Q:What is the process of applying anti-fingerprint coatings to steel sheets?
- The process of applying anti-fingerprint coatings to steel sheets typically involves several steps. First, the steel sheets are thoroughly cleaned to ensure there is no dirt, grease, or any other contaminants on the surface. This cleaning process may involve using solvents or chemical cleaners. Once the sheets are clean, a primer or base coat is applied to enhance adhesion of the anti-fingerprint coating. The primer is usually a thin layer that helps the subsequent coating adhere to the steel surface more effectively. After the primer has dried, the anti-fingerprint coating is applied. This coating is specifically designed to repel fingerprints, smudges, and other marks that can easily appear on steel surfaces. The coating is typically sprayed or rolled onto the steel sheets in a controlled environment to achieve a uniform and consistent coverage. Once the coating is applied, the steel sheets are usually cured or dried at specific temperature and time conditions to ensure proper bonding and durability of the anti-fingerprint coating. This curing process helps the coating to fully harden and form a protective layer on the steel surface. Overall, the process of applying anti-fingerprint coatings to steel sheets involves surface cleaning, primer application, anti-fingerprint coating application, and curing to achieve a durable and effective protective layer.
- Q:Can the steel sheets be used for skylights or roof windows?
- Yes, steel sheets can be used for skylights or roof windows. Steel is a strong and durable material that can withstand various weather conditions, making it suitable for these applications. Additionally, steel sheets can be fabricated and designed to meet the specific requirements of skylights or roof windows. They can be installed to provide natural light and ventilation while maintaining the structural integrity of the building. However, it is important to ensure proper insulation and glazing to prevent heat loss or gain and to optimize energy efficiency.
- Q:What are the different surface finishes for galvalume steel sheets?
- Some common surface finishes for galvalume steel sheets include regular spangle, minimized spangle, and zero spangle.
- Q:Can steel sheets be bent or formed?
- Yes, steel sheets can be bent or formed using various techniques such as press brakes, rollers, or specialized machinery. The flexibility and malleability of steel allow it to be shaped into various forms, making it a versatile material for construction and manufacturing purposes.
- Q:Can steel sheets be used for radiation shielding?
- Yes, steel sheets can be used for radiation shielding. Steel is a commonly used material for radiation shielding due to its high density and ability to absorb and scatter radiation. When it comes to protecting against radiation, the thickness of the shield is crucial. Thicker steel sheets are more effective in blocking radiation, as they have a higher absorption capacity. Steel sheets can be utilized for various applications such as in nuclear power plants, medical facilities, industrial radiography, and even in the construction of protective barriers in areas with high levels of radiation.
- Q:Are steel sheets resistant to rot or decay?
- Yes, steel sheets are highly resistant to rot or decay.
- Q:What is the process of embossing on steel sheets?
- Embossing on steel sheets involves the creation of raised or recessed designs on the surface. This technique is commonly used for texture enhancement, aesthetic improvement, or to enhance the mechanical properties of the steel. To begin the embossing process, the steel sheets are prepared. This involves cleaning the surface to remove any dirt, oils, or coatings that could interfere with the embossing. The sheets are then inspected for imperfections or defects that may impact the embossing quality. Once prepared, the steel sheets are placed in an embossing machine consisting of two or more rollers. These rollers have engraved patterns that will be transferred onto the steel sheets. They are typically made of hardened steel or other durable materials. As the steel sheets pass through the embossing machine, pressure is applied to the rollers, causing them to press against the steel surface. This creates a plastic deformation in the sheet, resulting in the desired raised or recessed pattern. The depth and intensity of the embossing can be adjusted by controlling the pressure applied by the rollers. In certain cases, heat may be used during the embossing process to soften the steel sheets, making them more malleable. This allows for deeper and more intricate embossing patterns. The temperature and duration of the heating process depend on the type of steel and desired outcome. After embossing, the steel sheets may undergo additional treatments such as cleaning, coating, or polishing to further enhance their appearance and protect them from corrosion. These finishing steps ensure that the embossed steel sheets meet quality standards and are ready for use. Overall, embossing on steel sheets is a versatile and effective method for adding texture and visual interest. It requires careful preparation, precise machinery, and skilled operators to achieve consistent and high-quality results.
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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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