Prime Mild Steel Bar Carbon Steel Billets from Manufactures China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 16210 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Credit Rating, Credit Services, Credit Purchasing
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Specification
Size:
100mm to 165mm
Tolerance:
Strictly according to the G/B and JIS standard
Grade:
Q195/Q215/Q235/Q275
Length:
6~12meters
Billets, or ingots (as they sometimes referred to), are not of practical use until they have been formed
into more functional shapes and sizes. While they have already been put in the furnace, they still require
a series of shaping and molding procedures such as hot and cold working, milling and cutting before they
are sold in hardware stores, or used for different applications. The unformed billets, however, can be used
in striking currency such as coins and as reserves, similar to gold bars.
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: Can steel billets be used in the production of kitchenware?
- Kitchenware can indeed be made using steel billets. Steel billets, which are essentially unfinished steel products that have been cast into a rectangular shape, can undergo further processing through methods such as forging, rolling, or extrusion. These processes allow for the creation of a wide range of kitchenware items, including pots, pans, utensils, and cutlery. The use of steel in kitchenware production is popular due to its exceptional strength, durability, and resistance to heat. It is also well-known for its ability to resist corrosion, making it safe for contact with food and liquids. Furthermore, steel is easy to clean and maintain, making it a hygienic choice for kitchenware. The typical manufacturing process involves heating and shaping the steel billets into the desired form, followed by finishing processes like polishing or coating to improve both the aesthetics and functionality of the kitchenware. With the versatility to produce kitchenware in various shapes, sizes, and designs, steel billets provide a flexible solution for creating high-quality and long-lasting kitchenware items.
- Q: What are the main factors affecting the corrosion resistance of carbon steel billets?
- Several primary factors influence the corrosion resistance of carbon steel billets. 1. Composition: The composition of carbon steel billets plays a vital role in determining their resistance to corrosion. Certain alloying elements, such as chromium, nickel, and copper, can enhance their corrosion resistance by forming a protective layer on the steel surface and preventing the formation of rust or other corrosive products. 2. Environmental conditions: The corrosion resistance of carbon steel billets is also influenced by the environment in which they are exposed. Factors like humidity, temperature, pH level, and the presence of corrosive substances like acids or salts can accelerate the corrosion process. For example, high humidity and acidic conditions can increase the rate of corrosion. 3. Surface condition: The condition of the carbon steel billet's surface is crucial for its corrosion resistance. Any imperfections, scratches, or roughness on the surface can serve as initiation sites for corrosion. To minimize the chances of corrosion, it is essential to maintain a smooth and clean surface. 4. Protective coatings: The application of protective coatings, such as paints, varnishes, or corrosion inhibitors, can significantly enhance the corrosion resistance of carbon steel billets. These coatings act as a barrier between the steel surface and the corrosive environment, thereby reducing direct contact and slowing down the corrosion rate. 5. Galvanic corrosion: Carbon steel billets can experience galvanic corrosion when they come into contact with dissimilar metals or alloys in the presence of an electrolyte. The difference in electrical potential between the metals creates a galvanic cell, leading to accelerated corrosion of the less noble metal (carbon steel). Proper insulation or the use of sacrificial anodes can help mitigate galvanic corrosion. In conclusion, the corrosion resistance of carbon steel billets is influenced by factors such as composition, environmental conditions, surface condition, protective coatings, and the possibility of galvanic corrosion. By taking these factors into account and implementing appropriate measures, the corrosion resistance of carbon steel billets can be effectively improved.
- Q: What are the common grades of steel used for billets?
- The common grades of steel used for billets include mild steel, carbon steel, and alloy steel.
- Q: Is the reaction of carbon and carbon dioxide a redox reaction?
- The reaction of carbon and carbon dioxide is redox reaction.Turn left and turn right |Oxidation reduction reaction is a kind of reaction that changes the number of oxidation of elements before and after chemical reaction. The essence of redox reaction is the gain or loss of electrons or the offset of common electron pairs. The oxidation number of the element changes before and after the redox reaction.
- Q: How are steel billets used in the manufacturing of valves and pumps?
- Steel billets are an essential raw material used in the manufacturing of valves and pumps. Billets are semi-finished steel products that are cast into a specific shape, usually in the form of a square or a rectangle. These billets serve as the starting point for the production of valves and pumps. To manufacture valves, steel billets are first heated and then forged or rolled into the desired shape. The billets undergo a series of processes such as cutting, drilling, and machining to form the various components of a valve, including the body, bonnet, disc, stem, and seat. These components are then assembled to create the valve, which regulates the flow of fluids or gases in a system. Similarly, in the manufacturing of pumps, steel billets are heated and shaped into the necessary parts such as impellers, casings, shafts, and housings. These components are then assembled to create a pump, which is responsible for moving fluids or gases from one place to another. The use of steel billets in the manufacturing of valves and pumps is crucial due to the inherent properties of steel. Steel is known for its strength, durability, and resistance to corrosion, making it ideal for applications in industries where valves and pumps are subjected to high pressures, temperatures, and corrosive environments. Furthermore, the versatility of steel allows for customization, enabling manufacturers to create valves and pumps of various sizes, shapes, and specifications to meet the specific needs of different industries and applications. This adaptability ensures that valves and pumps made from steel billets can perform reliably and efficiently in a wide range of environments and conditions. In conclusion, steel billets play a vital role in the manufacturing of valves and pumps. Through the forging, shaping, and assembly processes, steel billets are transformed into the essential components that make up these crucial industrial devices. The use of steel ensures the strength, durability, and corrosion resistance required for valves and pumps to function effectively and withstand demanding operating conditions.
- Q: How are steel billets used in the production of pump parts?
- Steel billets are used in the production of pump parts by being heated, shaped, and then machined into specific components such as impellers, casings, or shafts. These billets, which are semi-finished products made of solid steel, provide the raw material needed for manufacturing durable and high-performance pump parts. The process involves melting the steel billets in a furnace, pouring the molten metal into molds, and allowing it to solidify into the desired shape. After cooling, the billets are further processed through machining operations like cutting, drilling, and grinding to achieve the final dimensions and surface finish required for pump components.
- Q: What are the common testing methods used for quality control of steel billets?
- Steel billets undergo several common testing methods to ensure their quality and suitability for further processing. These methods are essential in meeting the required specifications. To begin, a visual inspection is conducted to identify surface defects like cracks, seams, or discontinuities. This step is crucial in quality control. Dimensional inspection follows, where instruments are used to measure the billets' length, width, and thickness. This ensures they meet the specified requirements. Ultrasonic testing (UT) is then employed as a non-destructive method. It utilizes high-frequency sound waves to detect internal defects such as inclusions, voids, or invisible cracks. Magnetic particle inspection (MPI) is another method used. By magnetizing the billets and applying iron particles, surface and near-surface defects can be detected. The gathering of particles indicates the presence of a defect. Dye penetrant inspection (DPI) involves applying a liquid dye to the billets' surface. The dye seeps into any cracks or defects, and after a designated time, excess dye is removed. A developer is then applied to make the defects visible. Hardness testing is conducted to measure the billets' hardness and resistance to deformation. Techniques like Rockwell, Brinell, or Vickers hardness testing are employed. Chemical analysis is carried out to ensure the steel billets meet the required chemical specifications. Spectroscopic techniques like Optical Emission Spectroscopy or X-Ray Fluorescence are used for this purpose. Lastly, a microscopic examination is performed to study the steel billets' microstructure. This examination helps determine grain size, presence of inclusions, and overall quality of the steel. By utilizing these testing methods, manufacturers can guarantee the quality and reliability of steel billets, subsequently ensuring the safety and performance of the final steel products.
- Q: How are steel billets made?
- The process of making steel billets is known as casting. It begins by melting raw materials like iron ore, coal, and limestone in a blast furnace until they become molten iron. This molten iron is then further purified in either a basic oxygen furnace or an electric arc furnace to adjust its composition and remove impurities. Once the desired composition is achieved, the molten iron is poured into a continuous casting machine. This machine contains a copper mold that is cooled by water, which shapes the molten iron into a solid billet. As the molten iron is poured into the mold, it cools rapidly and solidifies, creating a continuous length of solid steel. The billet is then cut to the desired length and moved to a storage area to cool down even more before undergoing further processing. The cooling process is vital as it helps improve the internal structure and overall quality of the billet. After cooling, the steel billets can undergo various treatments, such as heat treatment or surface conditioning, to enhance their mechanical properties and surface finish. They can also be processed further into different shapes and sizes through methods like rolling, forging, or extrusion to meet specific requirements of customers. In summary, the production of steel billets involves melting the raw materials, purifying the molten iron, casting it into a continuous mold, and subsequently cooling and processing the solid billets. This process guarantees the production of high-quality steel billets that are essential components for industries such as construction, automotive, and manufacturing.
- Q: How do steel billets contribute to the overall durability of a structure?
- The construction industry heavily relies on steel billets, which play a vital role in enhancing the durability of structures. To create these billets, molten steel is cast into a solid form and then further processed into various shapes and sizes for construction projects. Steel billets contribute to the durability of a structure primarily through their strength and ability to bear heavy loads. Steel has an exceptional strength-to-weight ratio, meaning it can withstand significant loads and stresses without compromising its structural integrity. When used in construction, steel billets provide the necessary strength to support the weight of the entire structure, ensuring it can withstand various environmental and operational factors for an extended period. In addition, steel billets offer excellent corrosion resistance, making them ideal for structures exposed to moisture, humidity, or harsh weather conditions. Steel is inherently resistant to rust and other forms of corrosion, ensuring the structure remains intact and structurally sound over time, reducing the need for frequent maintenance and repairs. Steel billets also have the ability to withstand extreme temperatures due to their high melting point. This property is especially crucial for structures in high-temperature environments, such as industrial facilities or buildings near fire-prone areas, as it ensures their safety and longevity. Moreover, steel billets enhance the overall resilience of a structure against external forces like earthquakes or strong winds. Steel's high elasticity and ductility allow it to absorb and dissipate energy more effectively than other materials, reducing the risk of structural failure during seismic events or extreme weather conditions. In conclusion, steel billets contribute to the durability of structures in various ways. Their strength, load-bearing capacity, corrosion resistance, ability to withstand extreme temperatures, and resilience against external forces make them an ideal material for constructing long-lasting and robust structures. By incorporating steel billets into construction projects, engineers can ensure the durability and safety of structures for many years.
- Q: What are the different surface treatments for steel billets?
- The different surface treatments for steel billets include hot rolling, cold rolling, shot blasting, and pickling.
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Prime Mild Steel Bar Carbon Steel Billets from Manufactures China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 16210 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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