Hot Rolled Square Steel Billet 3SP Standard 145mm
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 m.t.
- Supply Capability:
- 10000 m.t./month
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Structure of Hot Rolled Square Steel Billet 3SP Standard 145mm
Description of Hot Rolled Square Steel Billet 3SP Standard 145mm
PPGI is made by cold rolled steel sheet and galvanized steel sheets as baseplate, through the surface pretreatment (degreasing, cleaning, chemical conversion processing), coated by the method of continuous coatings (roller coating method),
and after roasting and cooling. Zinc coating: Z60, Z80, Z100, Z120, Z180, Z275, G30, G60, G90
Alu-zinc coating: AZ60, AZ80, AZ100, AZ120, AZ180, G30, G60, G90
Main Feature of Hot Rolled Square Steel Billet 3SP Standard 145mm
1) Excellent corrosion resistance: The zinc layer provides a good protection of Pre-painted Galvanizeed Steel Sheet.
2) High heat resistance: The reflective surface of the material aids in efficiently reflecting the sunlight away and in turn reducing the amount of heat transmitted. The thermal reflectivity converts into energy savings.
3) Aesthetics: Pre-Painted Galvanized steel sheet is available in plethora of patterns and multiple sizes as per the requirements that given by our customers.
4) Versatility: can be used in the various areas.Standard seaworthy export packing: 3 layers of packing, inside is kraft paper, water plastic film is in the middle and outside GI steel sheet to be covered by steel strips with lock, with inner coil sleeve.
Applications of Hot Rolled Square Steel Billet 3SP Standard 145mm
1) Automotive bodies: filters, fuel tanks, etc.
2) Construction materials: roofings, welding pipes,
3) Electric and electronic appliances: computer cans, etc.
4) Steel cans: containers, etc.
5) Steel furniture: washing machines, refrigerators, microwaves, etc.
6) Drums
7) Office equipment: printer, recorders, etc.
8) Motors and transformers
Specifications of Hot Rolled Square Steel Billet 3SP Standard 145mm
| Classified symbol | Yield Point Minimum N/mm2 | Tensile Strength Minimum | Elongation Minimum % | Application | ||||
| N/mm2 | Nominal Thickness mm (t) | |||||||
| JIS | Yogic | 0.25-0.4 | 0.4-0.6 | 0.6-1.0 | 1.0-1.6 | |||
| G3312 | specification | |||||||
| CGCC | CGCC | -205 | -270 | -20 | -21 | -24 | -24 | Commercial |
| CGCD | CGCD | --- | 270 | --- | 27 | 31 | 32 | Drawing |
| --- | CG340 | 245 | 340 | 20 | 20 | 20 | 20 | Structural |
| CGC400 | CG400 | 295 | 400 | 16 | 17 | 18 | 18 | Structural |
| CGC440 | CG440 | 335 | 440 | 14 | 15 | 16 | 18 | Structural |
| CGC490 | CG490 | 365 | 490 | 12 | 13 | 14 | 16 | Structural |
| CGC570 | CG570 | 560 | 570 | --- | --- | --- | --- | Structural |
| ASTM Designation | Yield Point Minimum | Tensile Strength Minimum | Elongation Minimum % | Application | Q/BQB 445-2004(China standard) | ASM A653/A653M | JISG 3312 | |
| ksi(MPa) | ksi(MPa) | TDC51D+Z | (CS TYPE A+Z) | CGCC | ||||
| A653(M)-99 CS TYPE A,B,C | --- | --- | --- | Commercial | TDC52D+Z | CGCD | ||
| A653(M)-99 FS | --- | --- | --- | Lock Forming | TS250GD+Z | (G250+Z) | - | |
| A653(M)-99 DS | --- | --- | --- | Drawing | TS300GS+Z | (G300+Z) | CGC 400 | |
| A653(M)-99 SS Grade33(230) | 33(230) | 45(310) | 20 | Structural | TS350GD+Z | (G350+Z) | CGC490 | |
| A653(M)-99 SS Grade37(255) | 37(255) | 52(360) | 18 | Structural | TS550GD+Z | (G550+Z) | CGC570 | |
| A653(M)-99 SS Grade40(275) | 40(275) | 55(380) | 16 | Structural | ||||
| A653(M)-99 SS Grade50(345) | 50(345) | 65(450) | 12 | Structural | ||||
| A653(M)-99 SS Grade80(550) | 80(550) | 82(570) | --- | Structural | ||||
FAQ of Hot Rolled Square Steel Billet 3SP Standard 145mm
We have organized several common questions for our clients，may help you sincerely：
1. How Can I Visit There?
Our company is located in Tianjin City, China, near Beijing. You can fly to Tianjin Airport Directly. All our clients, from home or aboard, are warmly welcome to visit us!
2. How Can I Get Some Sample?
We are honored to offer you sample.
3. Why choose CNBM?
1, ISO, BV, CE, SGS approved.
2, Competitive price and quality.
3, Efficient service team online for 24 hours.
4, Smooth production ability(50000tons/month) .
5, quick delivery and standard exporting package.
6, Flexible payment with T/T, L/C, Paypal, Kunlun bank, etc.
- Q: What are the different types of cutting processes used for shaping steel billets?
- There are several different types of cutting processes used for shaping steel billets. These processes include: 1. Bandsaw cutting: Bandsaw cutting is a widely used method for cutting steel billets. It involves using a continuous band of toothed metal blade to cut through the billet. Bandsaws are known for their ability to cut through thick sections of steel quickly and accurately. 2. Abrasive cutting: Abrasive cutting involves using an abrasive wheel or disc to cut through the steel billet. This method is commonly used for cutting smaller billets or for cutting shapes and contours into the billet. Abrasive cutting is known for its versatility and ability to produce smooth and precise cuts. 3. Plasma cutting: Plasma cutting is a thermal cutting process that uses a high-velocity jet of ionized gas to melt and remove the steel from the billet. This method is often used for cutting thick sections of steel or for cutting intricate shapes. Plasma cutting is known for its speed and ability to produce clean cuts. 4. Waterjet cutting: Waterjet cutting is a process that uses a high-pressure jet of water to cut through the steel billet. In some cases, abrasive particles may be added to the water to enhance the cutting ability. Waterjet cutting is known for its ability to cut through thick sections of steel without creating heat-affected zones or distortion. 5. Laser cutting: Laser cutting involves using a high-powered laser beam to melt and vaporize the steel billet. The laser beam is guided by computer controls to cut the desired shape. Laser cutting is known for its precision and ability to cut intricate shapes with minimal distortion. These are just a few examples of the different types of cutting processes used for shaping steel billets. Each process has its own advantages and is chosen based on factors such as the size of the billet, the desired shape, and the required accuracy.
- Q: What are the different types of defects found in steel billets?
- Steel billets can commonly exhibit various types of defects. These defects may arise from the manufacturing process or external factors. A range of defects is often found in steel billets, including the following: 1. Surface defects: These defects are visible on the billet's surface and can comprise scale, scratches, cracks, or pits. Improper handling, inadequate cleaning, or excessive heat during manufacturing can lead to surface defects. 2. Internal defects: These defects are not apparent on the surface and can only be identified through non-destructive testing methods. Voids, inclusions, segregation, or non-uniform microstructures are examples of internal defects. They can impact the steel billet's mechanical properties and overall quality. 3. Decarburization: Exposure to high temperatures or oxygen can cause the surface layer of the billet to lose its carbon content, resulting in decarburization. This defect weakens the billet, reducing its strength and hardness. 4. Shrinkage cavities: When the steel billet solidifies and contracts unevenly, shrinkage cavities form. These cavities can compromise the mechanical properties and structural integrity of the billet. 5. Surface cracks: During the cooling and solidification process, thermal stresses can cause cracks to develop in the billet's surface. These cracks can extend into the interior, leading to additional defects and potential failure. 6. Segregation: Segregation refers to the uneven distribution of elements or impurities within the steel billet. This inconsistency can result in varying mechanical properties, reduced strength, and poor machinability. 7. Inclusions: Inclusions are foreign particles or impurities that become trapped within the steel billet during manufacturing. These inclusions can affect the mechanical properties and cause defects like porosity or brittleness. To ensure high-quality finished products, it is crucial to minimize and control these defects in steel billets. Implementing proper quality control measures, handling materials appropriately, and refining manufacturing processes can help reduce the occurrence of these defects and enhance the overall quality of steel billets.
- Q: How are steel billets used in the production of fasteners?
- Steel billets are used in the production of fasteners as they serve as the raw material for manufacturing various types of fasteners such as bolts, screws, and nuts. These billets are heated and then forged or rolled to shape them into the desired fastener form. The resulting fasteners possess high strength and durability, making them suitable for a wide range of applications in industries like construction, automotive, and manufacturing.
- Q: How are steel billets recycled?
- Steel billets undergo the process of steel billet recycling, wherein they are collected from different sources like manufacturing plants, construction sites, and scrap yards. These collected billets are then transported to a recycling facility where they go through a series of steps to become new steel products. The initial step in steel billet recycling involves sorting and cleaning. The collected billets are sorted based on their size, shape, and quality, and any impurities or foreign materials are eliminated during this stage. Once the billets are sorted and cleaned, they are prepared for the next step in the recycling process. The subsequent step is melting, in which the cleaned steel billets are melted down in a furnace at extremely high temperatures. This melting process helps in separating any remaining impurities and enables the steel to be shaped into new forms. The molten steel is then poured into molds or cast into different shapes according to the desired end product. Once the steel has cooled and solidified, it undergoes further processing to achieve the desired specifications. This may include rolling, forging, or extruding the steel billets to create various steel products like bars, rods, or sheets. These newly formed steel products are then thoroughly inspected for quality and undergo rigorous testing to ensure they meet industry standards. The final step in steel billet recycling is distribution and usage. The recycled steel products are transported to various industries such as construction, automotive, or manufacturing, where they are utilized to create a wide range of products. By recycling steel billets, we can reduce the demand for raw materials, conserve energy, and minimize environmental impact. In conclusion, the process of steel billet recycling involves sorting, cleaning, melting, shaping, and distributing. This recycling process allows us to reuse steel billets and transform them into new steel products, thereby contributing to a more sustainable and environmentally friendly approach to steel production.
- Q: What are the main challenges in the recycling of steel billets?
- Several challenges arise when it comes to recycling steel billets, which are semi-finished steel products. The recycling process of steel billets includes several main challenges: 1. Contamination: Throughout their usage, steel billets can become contaminated with various materials such as oil, grease, paint, or other metals. Removing these contaminants and ensuring the purity of the recycled steel can be a complex and costly process. 2. Sorting and segregation: Steel billets come in different grades and sizes, requiring them to be sorted and segregated accordingly for effective recycling. This necessitates advanced sorting technologies and manual labor to ensure that the correct billets are recycled in the appropriate manner. 3. Energy consumption: The recycling of steel billets involves melting and reprocessing the steel, which demands a significant amount of energy. This energy consumption presents a challenge as it contributes to greenhouse gas emissions and increases the overall environmental impact of the recycling process. 4. Infrastructure and logistics: The collection, transportation, and processing of steel billets necessitate a well-established infrastructure and logistics network. Insufficient facilities or transportation can impede the efficient recycling of steel billets. 5. Economic viability: The economic viability of recycling steel billets can be challenging, especially when the cost of recycling exceeds the value of the recycled material. This can discourage recycling efforts and lead to a greater reliance on primary steel production. 6. Consumer awareness and participation: It is crucial to educate consumers about the importance of recycling steel billets and encourage their participation in recycling programs. Lack of awareness and indifference towards recycling can hinder the collection of steel billets for recycling purposes. 7. International trade barriers: In certain cases, trade barriers and import/export restrictions can affect the recycling of steel billets. These barriers can limit the flow of recycled steel billets across different countries, impacting the overall recycling capacity and market dynamics. To address these challenges, a collaborative effort between industries, governments, and consumers is necessary. Investments in research and development, technological advancements, and policy support can help overcome these challenges and promote the sustainable recycling of steel billets.
- Q: How are steel billets used in the production of reinforcing bars?
- The production of reinforcing bars relies heavily on steel billets, a crucial element in the process. These billets, categorized as semi-finished steel products, act as the primary raw material. To facilitate the formation of reinforcing bars, the steel billets undergo heating within a furnace, reaching a specific temperature. This heating procedure serves to enhance the steel's malleability, making it more pliable and easier to mold. Once the desired temperature is achieved, the billets progress through a sequence of rolling mills. These mills exert substantial pressure on the billets, progressively reducing their size and shaping them into the necessary dimensions for reinforcing bars. Additionally, the rolling process enhances the steel's mechanical properties, augmenting its strength and durability. After the completion of the rolling process, the elongated steel bars are cut into precise lengths based on desired dimensions and requirements. Subsequently, these lengths are allowed to cool, promoting steel stabilization and averting any deformations. Ultimately, the reinforcing bars undergo a surface treatment process, such as hot-dip galvanization or epoxy coating. This treatment imparts corrosion resistance and extends the lifespan of the reinforcing bars. Consequently, the performance and durability of these bars are enhanced, rendering them suitable for utilization in construction projects. In conclusion, steel billets are indispensable in the initial phases of reinforcing bar production. By means of heating, rolling, cutting, and surface treatment processes, these billets are transformed into high-strength steel bars that reinforce concrete structures.
- Q: How do steel billets contribute to the overall fire resistance of a structure?
- Steel billets do not directly contribute to the fire resistance of a structure. However, steel is a fire-resistant material and when used in the construction of a building, it can enhance the overall fire resistance by providing structural integrity and stability even at high temperatures.
- Q: What is the typical length of a steel billet?
- The typical length of a steel billet can vary depending on several factors such as the intended use, production process, and specific industry standards. However, in general, steel billets are commonly produced in lengths ranging from 2 to 12 meters (6.5 to 40 feet). These lengths are commonly used for further processing, such as hot rolling or forging, to create various steel products like bars, rods, beams, or other structural components. It is important to note that the actual length of a steel billet can be tailored to meet the specific requirements of a particular application or customer order.
- Q: What are the main factors affecting the formability of steel billets?
- Steel billets' formability is influenced by various factors, including steel composition, microstructure, temperature, and strain rate. Steel composition plays a crucial role in determining formability. Elements like carbon, manganese, and silicon impact steel's strength and ductility. Higher carbon and alloying element levels increase strength but may decrease formability. Conversely, lower carbon content and higher manganese levels enhance formability. Microstructure is another significant factor. Grain size, distribution, and morphology affect formability. Finer grains enable more uniform deformation during shaping processes, improving formability. The presence of precipitates or inclusions in the microstructure can create localized stress concentrations, impacting formability. Temperature significantly influences steel billets' formability. Elevated temperatures increase ductility and reduce strength, facilitating easier forming. This hot forming process allows for greater deformation without fracture risk. However, excessively high temperatures can lead to excessive grain growth, negatively affecting formability. Strain rate, or the speed of steel deformation, also affects formability. Higher strain rates generally reduce formability due to strain hardening, which makes the steel harder and more resistant to deformation. Controlling the strain rate during forming processes is crucial for maintaining optimal formability. In conclusion, steel billets' formability is determined by factors such as composition, microstructure, temperature, and strain rate. Manufacturers can optimize formability by considering these factors to meet specific requirements during shaping processes.
- Q: What are the main factors affecting the hardenability of stainless steel billets?
- The hardenability of stainless steel billets, which refers to the material's ability to be hardened through heat treatment, can be influenced by various factors. These factors include: 1. Alloy composition: The composition of stainless steel, especially the presence of carbon, chromium, nickel, and molybdenum, plays a crucial role in determining its hardenability. Higher carbon content generally improves hardenability, while elements like chromium and nickel enhance corrosion resistance but may decrease hardenability. 2. Grain size: The grain size of stainless steel billets affects the rate and depth of hardening. Finer grain structures typically exhibit better hardenability compared to coarser ones. This is because smaller grains allow for a more even distribution of carbon and alloying elements, resulting in improved hardening response. 3. Heat treatment conditions: The specific heat treatment process utilized, including heating and cooling rates, soaking time, and quenching media, has a significant impact on the hardenability of stainless steel billets. Proper control of these parameters is essential to achieve the desired hardness and mechanical properties. 4. Cooling rate: The rate at which the billets are cooled during the quenching process is a critical factor in determining their hardenability. Rapid quenching, such as water or oil quenching, promotes martensitic transformation and leads to greater hardness. Slower cooling rates, such as air cooling, result in a softer and less hardened structure. 5. Cross-sectional thickness: The thickness of the stainless steel billets also affects their hardenability. Thicker sections tend to have lower hardenability due to slower heat transfer rates during quenching. Conversely, thinner sections can achieve higher hardness levels due to faster cooling rates. 6. Prior microstructure: The initial microstructure of the stainless steel billets, whether they are in an annealed or cold-worked state, can influence hardenability. Cold work can introduce dislocations and grain boundaries, which may impede the diffusion of carbon and alloying elements during heat treatment, leading to reduced hardenability. Considering these factors, manufacturers and engineers must carefully select stainless steel grades and tailor the heat treatment process to achieve the desired level of hardenability and mechanical properties in stainless steel billets.
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Hot Rolled Square Steel Billet 3SP Standard 145mm
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 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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