Hot rolled Carbon Steel Billets Square Billets
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 16021 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Specification
Price term:
FOB/CIF/ CFR according to clients requirements
Payment terms:
100%Irrevercable L/C at sight or T/T
Length:
6~12 meters
Size:
100mm to 165mm
Grade:
Q195/Q215/Q235/Q275
Steel billet :
Rectangular billet continuous casting billet and mainly general carbon steel, low carbon low silicon cold-rolled material, high quality carbon structural steel, high strength low alloy steel, special steel, etc.
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.
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 |
Other Specifications
Squar Tolerance: ±4
Length Tolerance: +100mm
Romboidity/Difference Diagonals: no more than 0.7%
Camber: no more than 1.5%(%)
Twist: no more than 3 degrees per 1 meter length
Our Advantage
* Professional Personnel of Steel Trading
* Strong Steel Industry Background
* Conveniently Geographic Location
Our Commitment
* Sincere, Practical, Efficient and Developing
* High Quality Steel Production
* Competitive Price and Timely Delivery
Packing :
Within 30 days
1.Standard export package
2.In bundles with steel strips
3.As the requirements of the customers
FAQ:
Q: How to get quotation?
A: When we receive your detailed enquiry, we will set the best price based on standard,
steel grade, outer diameter, wall thickness, quantity, country.
And we will send quotation to your mailbox.
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 main factors affecting the metallurgical properties of steel billets?
- The metallurgical properties of steel billets are influenced by several key factors. These factors encompass the steel's composition, the applied heat treatment, the presence of impurities, and the rate at which it cools. The composition of the steel plays a pivotal role in determining its metallurgical properties. The steel's strength, hardness, and ductility are significantly impacted by the amount of carbon present, as well as the inclusion of other alloying elements like manganese, chromium, and nickel. Additionally, different compositions can affect the steel's ability to resist corrosion or exhibit magnetic properties. Heat treatment is another crucial factor that affects the metallurgical properties of steel billets. Through this process, the steel is heated to a specific temperature and then cooled at a controlled rate. By altering the steel's microstructure, heat treatment influences its hardness, toughness, and overall mechanical properties. Various methods of heat treatment, such as annealing, quenching, and tempering, can be employed to achieve desired metallurgical properties. The presence of impurities in the steel also has an impact on its metallurgical properties. Impurities like sulfur, phosphorus, and oxygen can have negative effects on the steel's mechanical properties, diminishing its strength and ductility. Hence, minimizing the level of impurities is crucial to ensure the desired metallurgical properties. Lastly, the cooling rate during the solidification process plays a pivotal role in determining the steel billets' microstructure and properties. Rapid cooling, as seen in quenching, leads to a fine-grained microstructure that enhances the steel's strength and hardness. Conversely, slow cooling, such as during annealing, results in a coarse-grained microstructure that improves the steel's ductility and toughness. In conclusion, the metallurgical properties of steel billets are influenced by factors such as composition, heat treatment, impurities, and cooling rate. These factors are interconnected and must be carefully controlled to achieve the desired properties for various applications.
- Q: How are steel billets stored?
- Steel billets are typically stored in open yards or covered warehouses, stacked neatly on top of each other in rows or piles. They are often placed on wooden or steel skids to protect them from moisture and to facilitate easy movement using forklifts or cranes. Additionally, billets are commonly stored in a way that allows proper ventilation and accessibility for inspection and transportation purposes.
- Q: What is the process of heat treatment for steel billets?
- The process of heat treatment for steel billets involves heating the billets to a specific temperature, typically above the transformation temperature, followed by controlled cooling. This process helps to modify the microstructure of the steel, improving its mechanical properties such as strength and toughness. Different heat treatment techniques, such as annealing, quenching, and tempering, are used to achieve desired material properties for specific applications.
- Q: How are steel billets used in the manufacturing of chemical processing equipment?
- Steel billets are used in the manufacturing of chemical processing equipment as raw material for forging or casting various components such as valves, pumps, heat exchangers, and reactors. These billets are shaped, machined, and treated to meet the specific requirements of the equipment, ensuring strength, durability, and resistance to corrosion and high temperatures.
- Q: How are steel billets used in the production of seamless tubes?
- Steel billets are used in the production of seamless tubes as they serve as the raw material for the manufacturing process. These billets are heated and pierced to create a hollow tube shape, which is then elongated and shaped to the desired dimensions. The high-quality and consistent properties of steel billets ensure seamless tubes with excellent strength, durability, and resistance to corrosion, making them suitable for various industries such as construction, automotive, and oil and gas.
- Q: What is the role of steel billets in the manufacturing of conveyor belts?
- The manufacturing process of conveyor belts heavily relies on steel billets, which are essential in creating the various components of the belt. These billets, derived from molten steel, serve as the initial stage in production. To begin, the steel billets undergo heating and rolling processes to form thin sheets or strips, depending on the desired thickness of the conveyor belt. These sheets are then further processed to construct the core structure of the belt, providing the necessary strength and durability to withstand demanding conditions. Moreover, steel billets play a crucial role in producing the metal reinforcements within the belt. These reinforcements, typically in the form of steel cords or wires, are embedded into the belt to enhance its tensile strength, preventing stretching or breaking under heavy loads and ensuring longevity and reliability. Additionally, steel billets are utilized in manufacturing the pulley system of the belt. Pulleys are essential components that facilitate the movement of materials along the belt. Made from solid steel billets, these pulleys are machined and designed to smoothly guide the belt while maintaining proper tension. In conclusion, steel billets serve as the foundation for creating the core structure, reinforcements, and pulleys of conveyor belts. Their strength and versatility make them an ideal material for producing belts that can withstand the rigorous conditions of industrial applications, guaranteeing efficient and reliable material handling processes.
- Q: How does the market demand for steel billets fluctuate over time?
- The market demand for steel billets fluctuates over time due to various factors such as economic conditions, industrial growth, infrastructure projects, and global trade dynamics. During periods of economic growth and expansion, there is typically an increased demand for steel billets as it is a crucial raw material for construction, manufacturing, and transportation sectors. Conversely, during economic downturns or recessions, the demand may decrease as construction projects are delayed, manufacturing activities reduce, and consumer spending declines. Additionally, market demand for steel billets can be influenced by changes in government policies, trade tariffs, and technological advancements in alternative materials. Overall, the market demand for steel billets is subject to cyclical fluctuations driven by economic conditions and industrial activities.
- Q: How do steel billets contribute to the automotive industry?
- Steel billets play a crucial role in the automotive industry as they are the raw materials used to manufacture various components such as engine blocks, transmission gears, axles, and chassis. These billets are forged and shaped into specific parts, providing the required strength, durability, and performance characteristics needed for automobiles. Additionally, steel billets offer excellent resistance to corrosion and high temperatures, ensuring the safety and reliability of vehicles on the road.
- Q: How is a steel billet made?
- Continuous casting is a common method used to produce steel billets. This process includes several steps that involve the gathering and processing of raw materials, the transformation of these materials into molten pig iron, and the refining of the molten pig iron in either a basic oxygen furnace or an electric arc furnace. In these refining furnaces, impurities are eliminated and alloying elements may be added to achieve specific properties. Once the molten steel is chemically balanced and refined, it is ready for casting. To do this, the steel is poured into a water-cooled copper mold known as a continuous caster. As it flows into the mold, the steel solidifies and takes the shape of a long rectangular or square billet. During the casting process, water is circulated through the mold to cool the steel quickly and aid in solidification. This controlled cooling ensures that the billet has a consistent structure and the desired mechanical properties. After solidification, the billet is cut into predetermined lengths using a torch or a shear. These billets can vary in size and weight depending on their intended use. Once cut, the billets can undergo further processing through rolling, forging, or other shaping methods to create various steel products such as bars, rods, tubes, or structural shapes. In summary, the production of a steel billet involves the transformation of raw materials into molten steel, the refining of the molten steel, and the casting of it into a solid shape using continuous casting. These billets then serve as the starting point for the production of a wide range of steel products used in various industries.
- Q: After processing to the color coating board, is there a fare increase of 1000?The price of galvanized coil is about +350 per ton of cold-rolled steel at present What about the cost of billet to cold rolling?What is the final cost of making the color coated sheet? How do you figure that?
- I think that the cost of steel billet plus manual consumption plus electricity and other costs divided by the finished product is greater than the cost per ton
Send your message to us
Hot rolled Carbon Steel Billets Square Billets
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 16021 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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