Mild steel billet in China Q215/Q195/Q235/Q275
- Ref Price:
-
- Loading Port:
- Guangzhou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 24531 m.t./month
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Specification
Size:
100mm to 165mm
Price term:
FOB/CIF/ CFR according to clients requirements
Grade:
Q195/Q215/Q235/Q275
Length:
6~12meters
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.
Billet: equal cross section width and height, or a huge difference, mainly used for rolling steel, wire rod. ,
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.
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:How is the quality of steel billets ensured during the manufacturing process?
- The quality of steel billets is ensured during the manufacturing process through various measures such as rigorous inspection and testing procedures. These include visual inspections, dimensional checks, and non-destructive testing techniques like ultrasonic testing or magnetic particle inspection. Additionally, chemical analysis is conducted to verify the composition of the steel billets, ensuring they meet the required specifications. By implementing these quality control measures, any potential defects or inconsistencies can be identified and addressed promptly, ensuring the production of high-quality steel billets.
- Q:How are steel billets used in the manufacturing of oil and gas equipment?
- The production of oil and gas equipment heavily relies on steel billets. These semi-finished steel products act as the foundation for creating various equipment used in the oil and gas industry. Steel billets are primarily used in pipe manufacturing. To withstand high pressure, extreme temperatures, and corrosive environments, oil and gas pipes require raw materials that can meet these demanding requirements. Steel billets are heated, pierced, and elongated through extrusion to form seamless pipes. Alternatively, they can be rolled and welded to create longitudinally welded pipes. Additionally, steel billets are essential in the production of valves, fittings, and flanges. Valves are critical in controlling the flow of oil and gas, while fittings connect pipes and change their direction. Flanges provide a means of connecting pipes, valves, and other equipment through bolting. All of these components require steel billets as a starting material, which are then machined, shaped, and heat-treated to meet necessary specifications. Furthermore, steel billets are utilized in the fabrication of drilling equipment and offshore structures. Drilling equipment, including drill bits, drill collars, and drill pipes, are vital for oil and gas exploration and extraction. High-quality steel billets are crucial to ensure the strength and durability of these components, which endure intense forces and harsh conditions. Offshore structures, such as platforms and rigs, also rely on steel billets to construct frameworks and support systems that withstand the challenging marine environment. In conclusion, steel billets are irreplaceable in the manufacturing of oil and gas equipment. They serve as the raw material for pipes, valves, fittings, flanges, drilling equipment, and offshore structures. By starting with high-quality steel billets, manufacturers can produce durable and reliable equipment capable of withstanding the demanding conditions of the oil and gas industry.
- Q:What are the main factors affecting the thermal conductivity of steel billets?
- The thermal conductivity of steel billets is influenced primarily by several factors. Firstly, the chemical composition of the steel plays a crucial role in determining its thermal conductivity. Elements like carbon, manganese, and silicon can impact the crystal structure and atom arrangement within the steel, thereby affecting its ability to conduct heat. Generally, steels with higher carbon content have lower thermal conductivity due to increased impurities and non-conductive carbide formation. Secondly, the microstructure of the steel also affects its thermal conductivity. Heat conduction in steel happens through lattice vibrations called phonons. Grain boundaries, dislocations, and other defects within the microstructure can hinder phonon movement, resulting in reduced thermal conductivity. Conversely, a more uniform and fine-grained microstructure enhances thermal conductivity. Furthermore, the temperature of the steel billet significantly impacts its thermal conductivity. As the temperature rises, the thermal conductivity of steel generally decreases due to increased scattering of phonons by lattice vibrations and higher thermal resistance. Another factor influencing the thermal conductivity of steel billets is their physical dimensions, specifically cross-sectional area and length. A larger cross-sectional area leads to higher thermal conductivity as there is more space for heat transfer. Similarly, longer billets tend to have lower thermal conductivity due to increased distance for heat conduction. Lastly, the presence of impurities and alloying elements in the steel can also affect its thermal conductivity. For instance, alloying elements like nickel, chromium, and copper can alter the crystal structure and lattice vibrations, thereby influencing the thermal conductivity of the steel billet. In conclusion, the thermal conductivity of steel billets is influenced by factors such as chemical composition, microstructure, temperature, physical dimensions, and the presence of impurities and alloying elements. Understanding these factors is crucial in various industrial applications where heat transfer and thermal management are critical.
- Q:How are steel billets priced in the market?
- Steel billets are typically priced in the market based on various factors such as supply and demand dynamics, production costs, and market conditions. The pricing is influenced by factors such as raw material costs, energy prices, transportation costs, and any applicable taxes or duties. Additionally, market participants consider factors like global economic trends, industry forecasts, and geopolitical events that may impact the overall steel market. Ultimately, steel billet pricing is determined through negotiations between buyers and sellers based on these various factors.
- Q:Can steel billets be used in the production of mining equipment?
- Steel billets, being semi-finished products, find extensive use in the manufacturing industry for the production of mining equipment. The robustness and durability of steel make it an ideal material for mining equipment, which often operates in tough and demanding conditions. By processing and shaping steel billets, essential components like gears, shafts, frames, and buckets can be created, all of which are vital for mining equipment. Moreover, steel billets can be easily welded, machined, and heat-treated to meet the specific requirements and standards of mining equipment. Therefore, steel billets play a critical role in ensuring the strength and dependability necessary for safe and efficient mining operations.
- Q:What are the challenges in welding steel billets?
- Welding steel billets presents various obstacles that need to be addressed. One of the primary hurdles involves achieving proper heat distribution throughout the welding process. Given their considerable size and thickness, steel billets make it difficult to evenly distribute heat across the material. Consequently, this can lead to inconsistencies in the weld, resulting in weak areas or even joint failure. Another challenge revolves around the possibility of distortion and warping during the welding process. The application of heat to the steel causes the material to expand and contract, leading to undesired changes in shape and dimensions. This issue becomes particularly problematic when dealing with larger or more intricate structures, as maintaining the desired shape and dimensions becomes crucial. Furthermore, steel billets may contain impurities and contaminants that can impact the weld's quality. These impurities, such as sulfur, phosphorus, and other elements, can trigger the formation of brittle zones or other defects in the weld. To mitigate these challenges, it is necessary to adequately clean and prepare the billet surface, as well as employ appropriate welding techniques and filler materials. Moreover, the high carbon content commonly found in steel billets makes them susceptible to cracking during the welding process. Carbon acts as a hardening agent in steel and can increase its vulnerability to cracking, particularly if proper preheating and post-weld heat treatment procedures are not followed. Essential measures include controlling the cooling rate and implementing stress-relieving techniques to prevent cracking and ensure weld integrity. Lastly, the sheer size and weight of steel billets can pose logistical challenges during welding. The handling and positioning of these heavy objects necessitate specialized equipment and skilled operators to guarantee safety and accuracy. Additionally, achieving precise alignment and fit-up becomes more complex with larger billets, demanding careful planning and execution. To summarize, welding steel billets involves overcoming challenges such as heat distribution, distortion and warping, impurities and contaminants, carbon-induced cracking, and logistical issues. Successfully navigating these obstacles requires expertise, appropriate equipment, and adherence to proper welding techniques and procedures.
- Q:What are the properties of alloy steel billets?
- Alloy steel billets possess a combination of properties that make them highly desirable for various applications. These properties include high strength, excellent hardness and wear resistance, good toughness, and improved corrosion resistance compared to carbon steel. Additionally, alloy steel billets have the ability to withstand high temperatures and exhibit excellent machinability, making them ideal for use in industries such as automotive, aerospace, construction, and manufacturing.
- Q:How are steel billets used in the manufacturing of medical devices?
- Steel billets are used in the manufacturing of medical devices as a raw material for shaping and forming various components. They are often melted down and poured into molds to create intricate shapes and designs required for medical devices such as surgical instruments, implants, and prosthetics. The high strength and durability of steel make it an ideal choice for ensuring the longevity and reliability of these devices, ensuring they can withstand the rigorous demands of medical applications.
- Q:What are the different types of steel billet rolling mill automation systems?
- There are several different types of steel billet rolling mill automation systems that are commonly used in the industry. These systems are designed to improve the efficiency, accuracy, and overall productivity of the rolling mill operations. Here are some of the most commonly used automation systems: 1. Level 1 Automation: This is the basic level of automation that includes basic control and monitoring functions. It typically involves the use of programmable logic controllers (PLCs) to control and monitor various aspects of the rolling mill, such as speed, temperature, and pressure. This level of automation provides basic functionality but may require manual intervention for certain tasks. 2. Level 2 Automation: This level of automation goes beyond the basic control and monitoring functions of level 1. It includes advanced process control algorithms and models to optimize the rolling mill operations. Level 2 automation systems can automatically adjust the mill parameters, such as roll gap, roll speed, and cooling water flow, to achieve the desired product specifications. These systems also provide real-time process monitoring and data analysis capabilities. 3. Level 3 Automation: This level of automation focuses on the integration of the rolling mill with other systems in the plant, such as the material handling system and the quality control system. It includes features like automatic scheduling, inventory management, and seamless data exchange between different systems. Level 3 automation systems enable better coordination and synchronization of the entire production process, resulting in improved efficiency and reduced downtime. 4. Artificial Intelligence (AI) and Machine Learning: Some advanced automation systems leverage AI and machine learning algorithms to continuously learn from the data collected during the rolling mill operations. These systems can predict equipment failures, optimize production parameters, and even suggest process improvements. AI and machine learning-based automation systems enable proactive maintenance, better decision-making, and increased overall productivity. 5. Robotics and Robotics-assisted Automation: In some steel billet rolling mills, robots are used for various tasks, such as loading and unloading, quality inspection, and maintenance. Robotic automation systems offer precision, speed, and repeatability, reducing the need for manual labor and improving safety. These systems can be integrated with other automation systems to create a fully automated and efficient rolling mill operation. Overall, the different types of steel billet rolling mill automation systems offer varying levels of functionality and sophistication. The choice of automation system depends on the specific requirements of the mill, the desired level of automation, and the available budget.
- Q:What are the challenges faced by the steel billet industry?
- The steel billet industry faces several challenges, including fluctuating raw material costs, intense competition from alternative materials, and the need for continuous technological advancements to remain efficient and sustainable. Additionally, market demand volatility, trade barriers, and regulatory compliance are significant challenges that impact the industry's growth and profitability.
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Mild steel billet in China Q215/Q195/Q235/Q275
- Ref Price:
-
- Loading Port:
- Guangzhou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 24531 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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