Prime quality prepainted galvanized steel 690mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
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Construction building material galvanized color prepainted cold
rolled steel coil
Prepainted steel sheet is coated with organic layer, which provides higher anti-corrosion property and
a longer lifespan than that of galvanized steel sheets.
The base metals for prepainted steel sheet consist of cold-rolled, HDG electro-galvanized and hot-dip
Alu-zinc coated. The finish coats of prepainted steel sheets can be classified into groups as follows:
polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc
Standard and Grade :
Pre-paint galvanized steel coil | ||||
ASTM A755M-03 | EN10169:2006 | JISG 3312-2012 | ||
Commercial quality | CS | DX51D+Z | CGCC | |
Structure steel | SS GRADE 230 | S220GD+Z | CGC340 | |
SS GRADE 255 | S250GD+Z | CGC400 | ||
SS GRADE 275 | S280GD+Z | CGC440 | ||
SS GRADE 340 | S320GD+Z | CGC490 | ||
SS GRADE550 | S350GD+Z | CGC570 | ||
S550GD+Z | ||||
Application:
Outdoor | Roof, roof structure, surface sheet of balcony, frame of window, door of garage, rolled shutter door, booth, Persian blinds, cabana, etc |
Indoor | Door, isolater, frame of door, light steel structure of house, home electronic appliances, ect. |
Specifications
Commodity Name: Prepainted Galvanized Steel Coil
Standard: AISI, ASTM, DIN, GB, JIS
Grade: TDC52D+Z
Thickness 0.13-8.0mm
Width:600mm-1350mm
Zinc Coating:275g/m2
Polyester Coating Thickness:Top and Back coating thickness depend by Buyer Requirement.
Polyester Coating Type:2/2,1/2m,1/2.
Polyester Type: Polyester, silicone modified polyester, high durability polyester (HDP), polyvinylidene fluoride (PVDF)
Unit Roll Weight:5-20tons
Place of Origin Shanghai , China (Mainland)
Surface Treatment :Color Coated
Manufacture Progress:HRC-CRC-GALVANIZED-COLOR COATED
Application : Construction, electrical, transportation, steel plant, composite board plant, steel tile factory
Payment & Shipping Terms:T/T ,L/C, and FOB CHINA
Minimum Order Quantity: 25Tons
Packge Type: Moisture-proof paper inner,Steel outside,Bundle by steel rope.
Package in Container : Wood as a foot pad, wire rope reinforcement,PPGI steel coil tied together by steel rope.
- Q: How are steel billets labeled for identification purposes?
- Steel billets are typically labeled for identification purposes through various methods such as stamping or tagging, where important information such as size, grade, heat number, and production date are marked directly on the billet or attached to it. This labeling allows for easy traceability and identification throughout the manufacturing and supply chain processes.
- Q: How are steel billets used in the manufacturing of construction equipment?
- Steel billets are used as raw material in the manufacturing of construction equipment, particularly in the fabrication of heavy-duty components such as frames, chassis, and structural supports. These billets are heated, shaped, and machined to create the desired parts, ensuring strength, durability, and stability in construction equipment.
- Q: How do steel billets contribute to the overall recyclability of a product?
- The overall recyclability of a product is significantly improved with the use of steel billets. These semi-finished steel products are formed through the process of casting, where molten steel is poured into molds and allowed to solidify. To begin with, steel billets possess the remarkable ability to be melted down and reprocessed multiple times without compromising their structural integrity or quality. This characteristic renders steel billets highly recyclable and ideal for utilization as raw materials in the production of various steel products. When a steel product reaches the end of its lifespan, it can be melted down and transformed into new steel billets for further usage. Moreover, steel billets contribute to the circular economy by reducing the necessity for primary steel production. By recycling and reusing steel, the demand for extracting raw materials and consuming excessive energy during the manufacturing process is minimized. This conservation of natural resources not only diminishes greenhouse gas emissions but also mitigates the overall environmental impact associated with steel production. Additionally, steel billets enable the creation of products with a greater proportion of recycled content. By incorporating recycled steel into new products, the overall recyclability of the final product is heightened. This not only conserves energy and resources but also diminishes the amount of waste that would otherwise find its way into landfills. In conclusion, steel billets enhance the recyclability of a product by virtue of their own high recyclability, reduction in the demand for primary steel production, and augmentation of the recycled content in the final product. Their contribution to the circular economy and environmental sustainability makes them an indispensable component in the overall life cycle of steel products.
- Q: What are the disadvantages of using steel billets?
- There are several disadvantages of using steel billets in various industries. Firstly, steel billets are quite heavy and bulky, making them difficult to handle and transport. This can increase logistical challenges and costs, especially when large quantities of billets need to be moved. Secondly, steel billets require a significant amount of energy and resources to manufacture. The production process involves melting down iron ore and various additives, which consumes a substantial amount of energy and contributes to carbon emissions. This makes steel billets less environmentally friendly compared to other materials. Additionally, steel billets have limited versatility in terms of shape and size. Their initial form is typically a long, rectangular bar, which limits their applicability in certain industries that require complex or intricate shapes. This can lead to additional processing steps and costs to transform the billets into desired forms. Furthermore, steel billets have a high risk of surface defects and internal flaws. During the manufacturing process, impurities and non-uniformities can occur, leading to cracks, inclusions, or segregations within the billets. These defects can compromise the structural integrity and performance of the final product, potentially resulting in failures or safety risks. Lastly, steel billets are susceptible to corrosion, particularly in harsh or corrosive environments. This can significantly reduce their lifespan and necessitate frequent maintenance or protective coatings to prevent deterioration. The costs associated with corrosion prevention and maintenance can add up over time, making steel billets less cost-effective in certain applications. Overall, while steel billets are widely used due to their strength and durability, their disadvantages in terms of weight, energy consumption, limited versatility, potential defects, and susceptibility to corrosion should be taken into consideration when choosing the appropriate material for a specific application.
- Q: What are the key properties and characteristics of steel billets?
- Steel billets, which have a rectangular shape and typically a square cross-section, are semi-finished steel products. They serve as the initial stage for manufacturing various steel products such as bars, rods, and wire. Steel billets possess several important properties and characteristics: 1. Composition: Steel billets primarily consist of iron and carbon, with additional alloying elements incorporated to enhance specific properties. The carbon content generally ranges from 0.2% to 0.5%, depending on the desired strength and hardness. 2. Strength and Hardness: Due to their composition and heat treatment processes, steel billets offer excellent strength and hardness. This makes them suitable for applications requiring high load-bearing capacity and resistance to wear and tear. 3. Ductility: Despite their strength, steel billets also exhibit good ductility, allowing them to be easily shaped and formed into various products through processes like rolling, extrusion, and forging. This versatility enables their use in different manufacturing methods. 4. Homogeneity: Steel billets possess a uniform internal structure, ensuring consistent mechanical properties throughout the entire material. This homogeneity is achieved through precise casting and cooling processes, which minimize the presence of defects and impurities. 5. Dimensional Precision: Steel billets are manufactured with specific dimensions and tolerances, ensuring the desired size and shape for downstream processing. This dimensional precision enables efficient and accurate production, minimizing waste and maximizing productivity. 6. Surface Quality: Steel billets have a smooth and clean surface finish, free from significant imperfections or irregularities. This is crucial for subsequent processing steps, as it ensures proper bonding during welding, machining, or coating operations. 7. Heat Conductivity: Steel billets exhibit excellent thermal conductivity, efficiently transferring heat during various manufacturing processes like hot rolling or continuous casting. This property ensures uniform heating and cooling, resulting in consistent material properties. 8. Corrosion Resistance: Steel billets are prone to corrosion if left unprotected. However, they can be coated or treated with anti-corrosive measures to enhance their resistance to rust and other forms of degradation. In summary, steel billets are characterized by their strength, ductility, dimensional precision, and homogeneity. These properties make them a critical raw material in the steel industry, facilitating the production of high-quality steel products used in diverse sectors such as construction, automotive, and infrastructure.
- Q: Charcoal classification
- Hard charcoal. By hardwood such as Fagaceae Quercus, Castanopsis trees, secondary birch and etc..Broad-leaved charcoal. Charcoal made from a mixture of hard and soft hardwood.Pine charcoal. Carbon fired from pine or other needle wood. In addition to bamboo and bamboo charcoal burning with shells, stones (coconut shell, peach stone charcoal etc.) wood raw material firing. Charcoal collected from household stoves in the cell known as carbon. If the charcoal is crushed and mixed with proper adhesive, and then pressed, formed and roasted, the deposit is made. According to the burning process of silica and carbon black.
- Q: Are steel billets susceptible to corrosion?
- Yes, steel billets are susceptible to corrosion. Steel is primarily an alloy of iron and carbon, and the presence of iron makes it prone to corrosion. When exposed to moisture and oxygen, a chemical reaction occurs on the surface of the steel, leading to the formation of iron oxide, commonly known as rust. This corrosion process weakens the steel's structure and can ultimately lead to its failure. To prevent corrosion, steel billets are often coated with protective layers or treated with anti-corrosion agents. Common methods include applying a layer of zinc through a process called galvanization or coating the steel with paint or epoxy. Additionally, storing steel billets in dry environments and maintaining proper ventilation can help minimize the risk of corrosion. It is important to note that the susceptibility to corrosion can also depend on the specific composition and grade of the steel used in the billets. Certain types of stainless steel, for example, contain additional alloying elements like chromium and nickel, which provide enhanced corrosion resistance. However, even stainless steel can corrode under certain conditions, albeit at a slower rate compared to regular carbon steel. Regular inspection, maintenance, and appropriate corrosion prevention measures are crucial in ensuring the longevity and durability of steel billets.
- Q: What are the potential applications of steel billets in the mining industry?
- Steel billets have a wide range of potential applications in the mining industry. Firstly, steel billets can be used in the construction of mining equipment and machinery. These billets can be shaped and welded to form various components such as frames, supports, and chassis for heavy mining machinery. The strength and durability of steel make it an ideal material for withstanding the harsh conditions and heavy loads encountered in mining operations. Secondly, steel billets can be utilized in the fabrication of conveyor belts, which are essential for the transportation of bulk materials in mines. The high tensile strength of steel ensures that the conveyor belts can withstand the weight of the material being transported, as well as the continuous movement and impact from the mining process. Additionally, steel billets can be employed in the construction of underground support systems, such as mine shafts and tunnels. These structures require strong and reliable materials to ensure the safety of workers and the integrity of the mining operation. Steel billets can be used to manufacture support beams, rods, and plates, providing the necessary stability and reinforcement. Moreover, steel billets can be used in the production of wear-resistant components, such as grinding balls and liners, which are crucial in mineral processing. These components are used in grinding mills to crush and grind the ore, and the abrasion-resistant properties of steel make it a suitable material for this application. By using steel billets, mining companies can enhance the efficiency and longevity of their mineral processing operations. Overall, the potential applications of steel billets in the mining industry are extensive. From equipment manufacturing and conveyor belt fabrication to underground support systems and wear-resistant components, steel billets play a vital role in improving the productivity, safety, and efficiency of mining operations.
- Q: What are the main factors affecting the mechanical properties of steel billets?
- The main factors affecting the mechanical properties of steel billets include the composition of the steel, the heat treatment process, the grain size, and the presence of impurities or defects in the metal.
- Q: What are the main factors affecting the thermal expansion of steel billets?
- The main factors affecting the thermal expansion of steel billets include temperature, composition of the steel, and the grain structure of the material.
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Prime quality prepainted galvanized steel 690mm
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 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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