Steel Square Billet Bar For Rebar Production
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 100000 m.t./month
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Range of thickness: 150-240 - mm +/- 5 mm width range: 880-1530 - mm +/- 20 mm
Length: 3700-10000 - mm +/- 500 - mm
Cross-sectional size: 64 * 64; 82 * 82; 98 * 98; 124 * 124; 120 * 150; 152 * 164; 152 * 170 mm
Length: 9000 mm
Section of tolerance: billet: 1.0 +/- 2.0-1.0 +/- 1.0 mm slab: width: +/- 2.0 mm thickness: +/- 3.0 mm
The length tolerance: +/- 200 mm
Section diagonal tolerance: 3.5-8.0 MM
Billet section size protrusions requirements: < 1242 mm, do not allow; > = 1242 mm, < = 2 mm 1242 mm, < = 3 mm
Beheading (shear) extension deformation: < 1242 mm billet: no control; The slab: < = 15 mm
Surface tilt: no more than billet section 0.1
Bending: every 1 m length is not more than 10 mm.
Notes:
1, The theoretical weights in the list, base on the density of 7.85 g/cm3.
2, Formula for theoretical weight of Square bar: (length of a side)2 * 0.00785
3, The numbers with ＊mean that they are not regular or we don’t offer them.
-Regular length of Square Bar:
Steel | Length of a side (mm) | Length of steel (m) |
Normal steel | < 25 | 4~10 |
> 25 | 3~9 | |
Steel of high quality | All measure | 2~6 |
Tool steel >75 | 1~6 |
Usage/Applications
-The Square Bar is normally used as structure steel.
-Row material for other structure steel like steel angles, channels, I-beams, H-beams, etc…
Packaging & Delivery
-Packing Detail: The products can be packed in bundles by steel wires.
-Marks: We make tag marks and color marks. The tag marks with white background and red company logo will be tied up to each bundle of the products. The information is usually including basic information of products and company and other information requested by customers. As for color marks, we will paint both ends of bundles to make sure that it will be more convenient for customers to distinguish them from other products.
-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.
Transportation
-The products can be delivered by bulk vessel or by container. As for container, products with the length of 6m will be loaded in 20’ container, with 9m or 12m, in 40’ container.
-The maximum quantity of loading of container is 25 tons.
-The products are usually transported to the nearest port from the production place.
- Q:What are the main factors affecting the heat resistance of steel billets?
- There are several main factors that can affect the heat resistance of steel billets. Firstly, the chemical composition of the steel plays a crucial role. Elements such as carbon, chromium, and nickel can enhance the heat resistance of steel by forming stable oxide layers on the surface that act as a protective barrier against high temperatures. Additionally, the presence of alloying elements like molybdenum and vanadium can also improve the heat resistance of steel by increasing its hardenability and reducing grain growth during heat treatment. Another important factor is the microstructure of the steel. Fine-grained structures tend to have higher heat resistance due to their increased strength and reduced susceptibility to thermal fatigue. Heat treatment processes like quenching and tempering can also alter the microstructure and improve the heat resistance of steel billets. The rate of heating and cooling also affects the heat resistance of steel. Rapid heating or cooling can lead to thermal shock and result in the formation of cracks or distortion in the billets. It is essential to control the heating and cooling rates to minimize these detrimental effects and maintain the desired heat resistance. Furthermore, the presence of impurities or defects within the steel can significantly impact its heat resistance. Inclusions, such as sulfur, phosphorus, and non-metallic oxides, can act as stress concentrators and reduce the heat resistance of steel. Similarly, internal defects like voids, cracks, or segregation regions can promote crack initiation and propagation during thermal cycles, thereby reducing the overall heat resistance of the steel billets. Lastly, the mechanical properties of the steel, such as its tensile strength, hardness, and ductility, can influence its heat resistance. Higher strength and hardness can generally enhance the heat resistance, while excessive ductility may lead to deformation or failure under high-temperature conditions. In summary, the main factors affecting the heat resistance of steel billets include the chemical composition, microstructure, rate of heating and cooling, presence of impurities or defects, and the mechanical properties of the steel. Understanding and optimizing these factors can help in producing steel billets with improved heat resistance for various applications.
- Q:What is the difference between steel billets and steel ingots?
- Steel billets and steel ingots, although both semi-finished steel products, differ in terms of their shape and manufacturing process. Rectangular or square-shaped bars, steel billets are typically produced through a continuous casting process. This process involves pouring molten steel into molds, allowing it to solidify into the desired shape. Billets are commonly used as raw material for further processing, such as rolling or forging, to create finished steel products like bars, rods, or wire. On the contrary, steel ingots are large, solid blocks of steel that are usually produced through a traditional casting process. In this process, molten steel is poured into large molds, left to cool and solidify. Ingots are mainly used for the production of larger steel components or as feedstock for forging or rolling operations. Prior to being processed into the final product, they are often remelted and refined. In terms of size, billets are generally smaller, with a cross-sectional area ranging from 36 to 155 square inches. On the other hand, ingots are larger, with a cross-sectional area exceeding 155 square inches. Both steel billets and steel ingots act as intermediary products in the steel manufacturing industry. The decision to use billets or ingots depends on the specific requirements of the final steel product and the manufacturing process involved.
- Q:What are the different methods of surface treatment for steel billets?
- Various methods exist for surface treatment of steel billets, each serving a distinct purpose and offering unique advantages. Among the most commonly employed techniques are: 1. Pickling: This involves immersing the steel billets in an acid solution to eliminate surface impurities like rust or scale. Pickling enhances surface finish and readies the steel for subsequent treatment or processing. 2. Shot blasting: In this method, high-speed steel shots or grits are used to bombard the steel billets, eliminating surface contaminants and creating a uniform texture. Shot blasting is frequently employed to remove rust, scale, or paint, and it can enhance the adhesion of subsequent coatings or paints. 3. Galvanizing: This treatment entails coating the steel billets with a layer of zinc to provide corrosion resistance. Galvanizing can be accomplished through hot-dip galvanizing, where the steel is immersed in a molten zinc bath, or through electroplating, where a thin layer of zinc is deposited on the surface using an electric current. 4. Painting or powder coating: Steel billets can be painted or coated with powder to deliver both aesthetic appeal and protection against corrosion. Paints or powder coatings create a barrier between the steel surface and the environment, preventing moisture and other corrosive agents from reaching the metal. 5. Passivation: This method requires treating the steel billets with a chemical solution, typically an acid, to remove any free iron or iron oxide from the surface. Passivation enhances the corrosion resistance of stainless steel and other alloys by creating a passive oxide layer that safeguards against further oxidation or rusting. 6. Nitriding: Nitriding is a surface hardening treatment where the steel billets are exposed to an atmosphere rich in nitrogen at elevated temperatures. This process diffuses nitrogen into the steel's surface, forming a hardened layer that enhances wear resistance and improves fatigue strength. 7. Chrome plating: Steel billets can be coated with a layer of chromium through electroplating, providing enhanced corrosion resistance and a glossy appearance. Chrome plating is frequently utilized in applications where aesthetics and durability are crucial, such as automotive parts or decorative fixtures. These examples represent only a fraction of the available surface treatment methods for steel billets. The selection of a particular technique depends on factors such as the desired outcome, the specific properties required, and the intended application of the steel billets.
- Q:What is the global production and consumption of steel billets?
- The global production and consumption of steel billets is significant and plays a crucial role in the construction and manufacturing sectors worldwide. Steel billets are semi-finished products that are used as raw material for the production of various steel products. In terms of production, several countries are major players in steel billet manufacturing. China, which is the largest producer of steel globally, accounts for a significant portion of the global steel billet production. Other prominent producers include India, Japan, Russia, the United States, and Turkey. These countries have well-established steel industries and infrastructure to support large-scale production. The consumption of steel billets is driven by the demand for steel products across various sectors. Construction and infrastructure development are the primary drivers of steel billet consumption, as steel is widely used in the construction of buildings, bridges, roads, and other structures. The automotive industry is another major consumer of steel billets, as they are used for manufacturing automobile parts and components. It is challenging to provide an exact figure for the global production and consumption of steel billets due to the constantly changing market dynamics and varying industry reports. However, it is estimated that global steel production exceeded 1.8 billion metric tons in 2020, with a substantial portion of this production being in the form of steel billets. The consumption of steel billets is closely linked to the overall steel demand, which is influenced by economic growth, infrastructure development, industrial activity, and construction projects worldwide. Overall, the global production and consumption of steel billets are significant, reflecting the importance of steel as a crucial material in various industries. The continuous growth in infrastructure development and industrialization across the globe is expected to further drive the production and consumption of steel billets in the coming years.
- Q:What is the process of hot rolling steel billets?
- The process of hot rolling steel billets involves heating the billets to a high temperature and then passing them through a series of rollers to reduce their thickness and shape them into desired forms such as sheets, plates, or bars. This process improves the mechanical properties of the steel and enhances its overall quality and usability.
- Q:How are steel billets used in the production of sheet metal?
- Steel billets are used in the production of sheet metal through a process known as rolling. Rolling is a technique that involves passing steel billets through a series of rollers to reduce their thickness and create a flat sheet. The first step in the process is to heat the steel billets to a specific temperature to make them more malleable. Once heated, the billets are then fed into a rolling mill, where they pass through a series of rollers that gradually decrease the thickness of the steel. As the billets are rolled, they are compressed and elongated, resulting in a thinner and longer piece of steel. This process is repeated multiple times, with each pass reducing the thickness of the steel sheet. Once the desired thickness is achieved, the sheet is cooled and cut into specific lengths. The final product is a flat sheet of sheet metal that can be further processed and used in various industries, such as construction, automotive, and manufacturing. Steel billets play a crucial role in the production of sheet metal as they provide the raw material from which the sheets are formed. Their malleability and ability to withstand the rolling process make them an ideal choice for creating thin and durable sheet metal.
- Q:How do steel billets contribute to the overall seismic resistance of a structure?
- Steel billets contribute to the overall seismic resistance of a structure by providing strength, ductility, and energy dissipation capabilities. Due to their high strength-to-weight ratio, steel billets help in resisting the lateral forces generated during an earthquake. Their ductility allows them to undergo significant deformation without failure, absorbing and dissipating the seismic energy. Additionally, their uniformity and consistency in material properties make them reliable components for structural systems, enhancing the overall stability and resilience of the structure against seismic events.
- Q:What do you mean by adding carbon to a table tennis racket?
- What a professional? I don't know what is known but with carbon carbon line take this hit the ball the more comfortable to take shape
- Q:What are the different types of steel billet defect detection methods?
- There are several different types of steel billet defect detection methods, including visual inspection, ultrasonic testing, magnetic particle inspection, eddy current testing, and radiographic testing. Each method has its own advantages and limitations, and they are often used in combination to ensure comprehensive defect detection in steel billets.
- Q:What are the different surface finishes available for stainless steel billets?
- Some of the different surface finishes available for stainless steel billets include mill finish, brushed finish, mirror finish, satin finish, and bead blasted finish.
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Steel Square Billet Bar For Rebar Production
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 100000 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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