Steel billet for building 165 mm x 165mm
- Ref Price:
-
- Loading Port:
- Guangzhou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 29264 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Specification
Grade:
Q195/Q215/Q235/Q275
Length:
6~12meters
Size:
100mm to 165mm
Qaulity:
own factory, stable quality
Steel billet
Steel billets have distinct characteristics as compared with already furnished steel bars and products.
Billets have a specific grain structure, which enables the metal to be processed more intricately. Steel
billets are also known for their malleability and ductility, especially when exposed to varying temperatures
during shaping and molding.
The billet is mainly divided into two kinds from the shape:
Slab: cross section width and height of the ratio of the larger, mainly used for rolling plate.
Tolerance: Strictly according to the G/B and JIS standard
Delivery time: within 45 days after receiving the L/C or advanced T/T payment.
Price term: FOB/CIF/ CFR according to clients requirements
Payment terms: 100%Irrevercable L/C at sight or T/T
Gade:
Standard | C(%) | Mn(%) | S(%) | P(%) | Si(%) |
Q195 | ≤0.12 | ≤0.50 | ≤0.040 | ≤0.035 | ≤0.30 |
Q235 | ≤0.20 | ≤1.40 | ≤0.045 | ≤0.045 | ≤0.35 |
Q275 | ≤0.22 | ≤1.50 | ≤0.045 | ≤0.045 | ≤0.35 |
20MnSi | 0.17-0.25 | 1.2-1.6 | ≤ 0.050 | ≤ 0.050 | 0.40-0.80 |
3SP | 0.14-0.22 | 0.40-0.85 | ≤ 0.050 | ≤ 0.040 | 0.05-0.15 |
5SP | 0.28-0.37 | 0.50-1.00 | ≤ 0.050 | ≤ 0.040 | 0.15-0.30 |
Our service :
We have a plant and professional team to provide our best service, from the start of production until the
loading into the vessel, we have a complete quality follow up procedure, to assure our products arrives to the customer with satisfaction. Welcome new and old customers
to contact us for future business relationships! We will give you a surpise price.
Packing :
Within 30 days
1.Standard export package
2.In bundles with steel strips
3.As the requirements of the customers
FAQ:
Q: What is payment terms?
A: FOB 30% T/T IN ADVANCE AS DEPOSIT AND 70% T/T BEFORE SHIPMENT
CIF and CFR 30% T/T IN ADVANCE AS DEPOSIT AND 70% T/T AS THE COPY OF B/L OR L/C AT SIGHT
Q:How to guarantee the quality of the products?
A:We have established the international advanced quality management system,every link from raw material
to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market.
At the same time, we will provide necessary follow-up service assurance.
Q:How long can we receive the product after purchase?
A :In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.
The pecific time of receiving is related to the state and position of customers.
- Q: What are the international standards for steel billets?
- The international standards for steel billets are defined by organizations such as the International Organization for Standardization (ISO) and the American Society for Testing and Materials (ASTM). These standards typically encompass various aspects including chemical composition, mechanical properties, dimensions, tolerances, and surface quality, ensuring consistency and quality across different countries and manufacturers.
- Q: What is the standard tolerance for steel billet dimensions?
- The standard tolerance for steel billet dimensions can vary depending on the specific industry and application. However, commonly accepted tolerances for steel billet dimensions typically range from +/- 0.5% to +/- 2% of the specified dimensions.
- Q: How are steel billets used in the production of industrial boilers?
- Industrial boilers rely on steel billets as a vital component in their production. These billets, typically crafted from top-notch steel, serve as the primary material for creating the different parts and elements of a boiler. To commence the manufacturing process, the steel billets are subjected to specific temperatures, enabling them to be easily molded and shaped. Subsequently, they undergo a series of transformations in rolling mills, assuming various forms and sizes, such as plates, bars, or tubes, depending on the specific boiler design requirements. Following this, these billets are further refined to fashion the necessary boiler components. For instance, plates are cut and contoured to form the boiler shell, acting as the main structure of the boiler. Bars are utilized in creating the boiler tubes, which facilitate the transfer of heat from the combustion chamber to the water. Additionally, other components like flanges, fittings, and supports are also fashioned from steel billets. The quality and strength of the steel billets employed in industrial boiler production are pivotal in guaranteeing the durability and efficiency of the end product. Billets boasting high tensile strength and exceptional heat resistance properties are preferred, as they can withstand the elevated pressures and temperatures associated with boiler operations. In conclusion, steel billets assume a critical role in the manufacturing of industrial boilers by providing the requisite raw material for fabricating the diverse components. Their adaptability, strength, and longevity render them an ideal choice for constructing robust and reliable boilers required for a wide array of industrial applications.
- Q: What are the challenges faced in steel billet manufacturing?
- There are several challenges faced in steel billet manufacturing. One of the main challenges is achieving consistent quality and uniformity in the billets. Steel billets need to have a specific chemical composition and physical properties to meet the requirements of the end products they will be used for. However, variations in raw materials, such as iron ore and scrap metal, can affect the quality of the billets. Maintaining consistent quality throughout the production process is crucial but can be difficult due to the variable nature of the raw materials. Another challenge is ensuring the proper heat treatment of the billets. Heat treatment is necessary to enhance the mechanical properties of the steel billets, but it requires precise control of temperature, time, and cooling rates. Any deviation from the recommended heat treatment process can result in inconsistent mechanical properties, leading to a decrease in the overall quality of the billets. In addition, the production of steel billets involves complex and energy-intensive processes. The manufacturing facilities need to have advanced equipment and technology to handle the high temperatures required for melting and casting the steel. The continuous casting process, which is commonly used for billet production, also requires precise control of various parameters, such as casting speed and cooling rates. Maintaining the equipment and ensuring its proper functioning can be a challenge in itself. Moreover, environmental concerns pose challenges in steel billet manufacturing. The process generates significant emissions of greenhouse gases, particulate matter, and other pollutants. Strict environmental regulations and the need to reduce the carbon footprint of the manufacturing process require steel producers to invest in energy-efficient technologies and implement sustainable practices. Lastly, the market demand for steel billets can be volatile, leading to challenges in production planning and inventory management. Fluctuations in demand can result in overproduction or stockouts, which can impact the overall efficiency and profitability of the manufacturing process. Overall, steel billet manufacturing faces challenges in maintaining consistent quality, achieving proper heat treatment, managing energy-intensive processes, addressing environmental concerns, and adapting to market dynamics. Overcoming these challenges requires continuous improvement, investment in technology, and adherence to stringent quality standards.
- Q: What are the different surface finishes available for stainless steel billets?
- There are several surface finishes available for stainless steel billets, depending on the desired aesthetic appearance and functional requirements. Some of the most common surface finishes for stainless steel billets include: 1. Mill Finish: This is the standard finish produced by the steel mill during the manufacturing process. It has a dull appearance with visible oxidation marks and can vary in smoothness. 2. Hot Rolled: This finish is achieved by heating the stainless steel billet and then rolling it through a series of rollers. It results in a rougher surface with visible scale and a characteristic orange peel texture. 3. Cold Rolled: This finish is obtained by subjecting the stainless steel billet to cold rolling, which reduces its thickness and improves its surface smoothness. It has a slightly reflective appearance and is often used for applications requiring a smooth finish. 4. Brushed Finish: Also known as satin finish, this surface finish is achieved by mechanically brushing the stainless steel billet with abrasive materials. It creates a consistent linear pattern, giving the steel a matte appearance. 5. Polished Finish: This finish involves polishing the stainless steel billet using abrasives to create a smooth and reflective surface. The level of polish can vary from a low-gloss satin finish to a mirror-like, highly reflective finish. 6. Bead Blasted Finish: In this finish, the stainless steel billet is bombarded with tiny glass or ceramic beads under high pressure, which creates a uniform matte texture. It is commonly used for architectural and decorative applications. 7. Electropolished Finish: This surface finish is achieved by immersing the stainless steel billet in an electrolyte bath and applying an electric current. It removes a thin layer of material, resulting in a smooth, reflective surface with improved corrosion resistance. These are just a few examples of the different surface finishes available for stainless steel billets. Each finish has its own unique characteristics and is chosen based on the specific requirements of the application, such as aesthetics, corrosion resistance, and ease of cleaning.
- Q: What are the specifications for alloy steel billets used in the defense industry?
- The defense industry requires alloy steel billets that meet specific criteria for each project. However, there are commonly followed specifications. Firstly, strict material standards must be met, and certification to military or industry specifications is necessary. These specifications cover the chemical composition, mechanical properties, and heat treatment of the alloy steel. The chemical composition is crucial as it determines the material's strength, hardness, and resistance to corrosion and high temperatures. Alloying elements like chromium, molybdenum, vanadium, and nickel are commonly used. Additionally, the carbon content is controlled to achieve desired strength and toughness. In terms of mechanical properties, defense applications require high strength, toughness, and impact resistance. The billets must withstand extreme conditions like high pressure, shock, and vibrations. Specific heat treatments, such as quenching and tempering, may be employed. Dimensional specifications are also important, including precise size and shape tolerances and surface finish requirements. This ensures compatibility with manufacturing processes and final products. Furthermore, certification to industry or military standards like MIL-STD or ASTM specifications may be necessary. These standards outline testing methods, quality control requirements, and performance criteria for the alloy steel billets. Overall, the specifications for alloy steel billets used in the defense industry cover chemical composition, mechanical properties, dimensional tolerances, and adherence to industry or military standards. These specifications are vital for ensuring the performance, durability, and safety of defense products.
- Q: How do steel billets contribute to the manufacturing of HVAC equipment?
- Steel billets are an essential raw material in the manufacturing of HVAC equipment because they serve as the base material for various components such as ductwork, frames, and structural supports. The high strength and durability of steel billets make them suitable for withstanding the demanding operating conditions of HVAC systems. Additionally, steel billets can be easily shaped and formed into intricate designs, allowing manufacturers to create complex components that optimize the efficiency and performance of HVAC equipment.
- Q: What are the different types of defects that can occur in steel billets?
- There are several types of defects that can occur in steel billets, including surface cracks, internal voids, segregation, inclusions, and dimensional inconsistencies. These defects can affect the quality and structural integrity of the billets and may require further processing or remedial measures to ensure their suitability for use in various applications.
- Q: What are the factors that affect the mechanical properties of steel billets?
- There are several factors that affect the mechanical properties of steel billets. 1. Chemical composition: The chemical composition of steel, including the levels of carbon, manganese, silicon, and other alloying elements, plays a significant role in determining its mechanical properties. These elements affect the strength, hardness, and ductility of the steel billets. 2. Heat treatment: The heat treatment process, including the temperature and duration of heating and cooling, can greatly influence the mechanical properties of steel billets. Heat treatment techniques such as annealing, quenching, and tempering can be used to enhance the hardness, toughness, and overall strength of the steel. 3. Microstructure: The microstructure of steel, which is determined by factors such as cooling rate and alloying elements, greatly influences its mechanical properties. The presence of different phases, such as ferrite, pearlite, and martensite, affects the strength, ductility, and toughness of the steel billets. 4. Grain size: The size and distribution of grains in the steel billets can impact their mechanical properties. Finer grain sizes are generally associated with improved strength and toughness, while larger grain sizes may result in reduced mechanical properties. 5. Processing conditions: The processing conditions during the production of steel billets, such as the temperature and rate of deformation, can affect their mechanical properties. Factors such as rolling, forging, and extrusion can influence the grain structure and overall mechanical behavior of the steel. 6. Surface condition: The surface condition of steel billets, including the presence of defects such as cracks, voids, or surface contamination, can have a significant impact on their mechanical properties. Surface defects can act as stress concentration points and reduce the overall strength and integrity of the steel. 7. Environmental factors: Environmental conditions, such as temperature, humidity, and exposure to corrosive substances, can affect the mechanical properties of steel billets. Corrosion can lead to reduced strength and structural integrity, while high temperatures can cause softening or thermal degradation of the steel. It is important to consider these factors when designing and manufacturing steel billets to ensure that the desired mechanical properties are achieved for specific applications.
- Q: What are the specifications for steel billets used in the aerospace industry?
- The specifications for steel billets used in the aerospace industry are highly precise and stringent. These billets are required to meet specific standards in order to ensure the safety and durability of aircraft components. First and foremost, the steel used for aerospace billets must have exceptional strength and toughness. It should have a high tensile strength and be capable of withstanding extreme forces and stresses that may be encountered during flight. The steel must also have excellent fracture resistance to minimize the risk of catastrophic failure. Additionally, the steel billets must possess excellent resistance to corrosion and oxidation. This is crucial as aircraft often operate in harsh environments, including high altitudes and exposure to various chemicals. The steel should be resistant to rust, pitting, and other forms of degradation that can compromise its structural integrity over time. Furthermore, the steel billets used in aerospace applications must have precise dimensional tolerances and uniformity. The billets should be manufactured to exact specifications to ensure consistency in the production of aircraft components. This includes the size, shape, and surface finish of the billets, which are crucial for proper fitting and assembly. In terms of chemical composition, the steel used for aerospace billets may vary depending on the specific application and component being manufactured. However, it typically includes elements such as carbon, manganese, chromium, nickel, and molybdenum. These alloying elements enhance the mechanical properties of the steel, such as hardness, toughness, and heat resistance. Furthermore, the steel billets used in the aerospace industry undergo rigorous testing and quality control procedures. This includes non-destructive testing methods like ultrasonic inspection, magnetic particle inspection, and dye penetrant inspection to detect any internal defects or discontinuities. In summary, the specifications for steel billets used in the aerospace industry involve exceptional strength, toughness, corrosion resistance, dimensional accuracy, and precise chemical composition. These strict requirements ensure the reliability and safety of aircraft components, making them capable of withstanding the demanding conditions faced during flight.
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Steel billet for building 165 mm x 165mm
- Ref Price:
-
- Loading Port:
- Guangzhou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 29264 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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