Square Steel Billet Q235 3SP Grade Prime Quality 13#
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 m.t
- Supply Capability:
- 50000 m.t/month
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Quality Product, Order Online Tracking, Timely Delivery
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Description of Square Steel Billet Q235 3SP Grade Prime Quality 13#
M. S. Billets are used for rolling of TMT Re-Bars of Fe415 and Fe500 Grade and various other structural steel products.
CRS Billets are used for rolling of CRS TMT Re-Bars.
Special Alloy Billets are used for rolling of any special grade TMT Re-Bars like Earthquake resistant TMT Re-Bars and for special grade structural steel products.
Main Feature Square Steel Billet Q235 3SP Grade Prime Quality 13#
Raw elements(C,Fe,Ni,Mn,Cr,Cu.)---Smelted ingots by AOD finery---hot rolled into black suface---pickling in acid liquid---cold drawn----polished by automatically machine--- cutting into pieces---checking quanlity
Applications of Square Steel Billet Q235 3SP Grade Prime Quality 13#
Widely Used in the areas such as Stainless Steel Fasteners, Chains, Kitchen and Sanitary wares, Furniture handles, Handrails, Electroplating and Electrolyzing pendants, Foods, Electron, Petroleum, Construction and Decoration, etc. Products have a high strength after cold-working. Electronic products parts, Medical appliance, Springs, Bus Inside and Outside packaging and building, Street Lamp Posts, etc. Decoration materials and Outdoor Publicity Billboard. Used for the products which have the Anti-Stress Corrosion requirement. Electron Products, Table-wares, Bolts, Nuts, Screen Meshes, Cumbustors and so on.
Specifications of Square Steel Billet Q235 3SP Grade Prime Quality 13#
| 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 |
FAQ of Square Steel Billet Q235 3SP Grade Prime Quality 13#
We have organized several common questions for our clients，may help you sincerely：
1. How Can I Visit There?
Our company is located in Tianjin City, China, near Beijing. You can fly to Tianjin Airport Directly. All our clients, from home or aboard, are warmly welcome to visit us!
2. How Can I Get Some Sample?
We are honored to offer you sample.
3. Why choose CNBM?
Our delivery time about 15-20days for standard sizes, if you have other requirements like hardness, quanity and width ,it is about 20-40days. But don't worry we also try our best for the delivery time ,because time longer and our cost is higher.
- Q: What are the main factors affecting the tensile strength of steel billets?
- There are several main factors that affect the tensile strength of steel billets. Firstly, the composition of the steel plays a significant role. The presence of certain elements, such as carbon, manganese, and silicon, can greatly influence the strength of the steel. Carbon, in particular, is a key element in increasing the strength of steel through its ability to form strong interatomic bonds. Secondly, the heat treatment process employed during the production of steel billets is crucial. Heat treatment, such as quenching and tempering, can significantly enhance the tensile strength of the steel by manipulating its microstructure. Quenching involves rapidly cooling the steel, which creates a hardened structure, while tempering involves reheating the steel to a specific temperature to achieve the desired balance of hardness and toughness. Additionally, the grain size of the steel also affects its tensile strength. Fine-grained steel generally exhibits higher strength due to the increased number of grain boundaries, which act as barriers to dislocation movement. On the other hand, coarse-grained steel tends to have lower strength as it allows for easier dislocation movement. Moreover, the presence of impurities or defects in the steel can weaken its tensile strength. Inclusions, such as sulfur, phosphorus, and non-metallic inclusions, can act as stress concentration points and promote crack initiation, leading to reduced strength. Similarly, the presence of voids, porosity, or other structural defects can compromise the overall strength of the steel billets. Lastly, the processing conditions during the manufacturing of steel billets can affect their tensile strength. Parameters such as rolling and forging temperatures, deformation rate, and cooling rate can influence the resulting microstructure and, consequently, the strength of the steel. In conclusion, the main factors affecting the tensile strength of steel billets include the steel composition, heat treatment process, grain size, impurities or defects, and processing conditions. Understanding and optimizing these factors are crucial for producing steel billets with the desired mechanical properties.
- Q: How are steel billets inspected for surface defects?
- Steel billets are inspected for surface defects through visual inspection, magnetic particle inspection, and ultrasonic testing. Visual inspection involves a thorough examination of the surface for any visible defects such as cracks, pits, or rough spots. Magnetic particle inspection uses magnetic particles and a magnetic field to identify any surface or near-surface defects that may not be visible to the naked eye. Ultrasonic testing utilizes high-frequency sound waves to identify internal and surface defects by analyzing the reflected waves. These inspection methods ensure the quality and integrity of steel billets before further processing.
- Q: What are the potential applications of steel billets in the electronics aftermarket?
- Steel billets have limited applications in the electronics aftermarket due to their material properties. However, they can be used in certain components such as structural supports, mounting brackets, or enclosures that require high strength and durability.
- Q: Are steel billets used in the production of household goods?
- No, steel billets are not typically used in the production of household goods. Steel billets are semi-finished products that are used as raw material for various industries, such as construction, automotive, and manufacturing. They are usually hot-rolled into different shapes, such as bars, rods, or sheets, which are then further processed to create the desired household goods. For household goods, manufacturers often use specific types of steel, such as stainless steel or carbon steel, that have been processed and shaped according to the particular product requirements.
- Q: What are the main types of defects found in steel billets?
- The main types of defects found in steel billets are surface defects, internal defects, and segregations. Surface defects refer to any irregularities, cracks, or discontinuities present on the outer surface of the steel billet. These defects can include scale, scratches, pits, and surface cracks. Surface defects can be caused by improper handling during transportation or storage, improper handling during the manufacturing process, or inadequate surface cleaning. Internal defects are flaws or imperfections that occur within the inner structure of the steel billet. These defects can include inclusions, cavities, blowholes, porosity, and non-metallic inclusions. Internal defects can be caused by improper melting and casting processes, improper cooling and solidification, or the presence of impurities in the steel. Segregations refer to the non-uniform distribution of elements or impurities within the steel billet. This can result in areas of the billet having different chemical compositions or mechanical properties. Segregations can be caused by inadequate mixing during the melting process, improper pouring and solidification, or the presence of impurities in the raw materials. Detecting and removing these defects is crucial to ensure the quality and integrity of steel billets. Various non-destructive testing techniques such as visual inspection, ultrasonic testing, magnetic particle testing, and eddy current testing are used to identify and characterize these defects. Once detected, appropriate measures such as grinding, machining, or heat treatment can be employed to remove or mitigate the defects.
- Q: What are the different methods of steel billet surface polishing?
- There are several methods available for steel billet surface polishing, each with its own advantages and applications. These methods include mechanical polishing, chemical polishing, electrochemical polishing, and abrasive blasting. Mechanical polishing is a widely used method that involves the use of abrasive materials to remove surface imperfections and create a smooth finish. This can be done manually using sandpaper or with the help of machinery such as buffing machines or belt sanders. Mechanical polishing is effective in removing scratches, oxidation, and other surface defects, resulting in a polished and reflective surface. Chemical polishing is a non-mechanical method that utilizes chemical reactions to remove surface imperfections. This process involves the immersion of the steel billet in a chemical solution that dissolves a thin layer of the material, resulting in a smoother surface. Chemical polishing is often used for intricate or delicate parts, as it can achieve a high level of precision and uniformity. Electrochemical polishing, also known as electropolishing, is a method that combines chemical and electrical processes to polish the steel billet surface. It involves immersing the billet in an electrolyte solution and applying an electric current. The electrical current removes microscopic peaks and imperfections, resulting in a smoother and brighter surface. Electrochemical polishing is commonly used for stainless steel billets due to its ability to remove surface contaminants and enhance corrosion resistance. Abrasive blasting, also known as sandblasting, is a method that uses high-pressure air or water to propel abrasive materials onto the steel billet surface. This process effectively removes rust, scale, and other surface contaminants, resulting in a clean and textured finish. Abrasive blasting can be done using various abrasive materials such as sand, steel shot, or glass beads, depending on the desired surface finish. In summary, the different methods of steel billet surface polishing include mechanical polishing, chemical polishing, electrochemical polishing, and abrasive blasting. Each method has its own advantages and applications, offering a range of options to achieve the desired surface finish for steel billets.
- Q: Can steel billets be cold rolled?
- Steel billets cannot be cold rolled, as this process specifically involves reducing the thickness of a metal sheet or strip by passing it through a series of rollers at room temperature. Instead, steel billets are primarily utilized as raw material for producing steel bars, rods, and other long products through hot rolling. During hot rolling, the steel billets are heated to high temperatures and subsequently passed through rolling mills to achieve the desired shape and dimensions. Cold rolling is not appropriate for steel billets because it necessitates heating to enhance the steel's malleability and ability to deform, which cannot be achieved with solid, unheated billets.
- Q: What are the different international standards for steel billets?
- Steel billets, which serve as raw materials for the production of various steel products, must comply with several international standards. Notable examples of these standards include: 1. ASTM A615/A615M: This standard specifies the characteristics of deformed carbon-steel bars used for reinforcing concrete. It also covers the requirements for billets utilized in the manufacturing process of these bars. 2. EN 10025: Of European origin, this standard outlines the technical delivery conditions for structural steel products. It encompasses a wide range of steel grades, including billets, which find application in construction and engineering. 3. JIS G3112: Hailing from Japan, this Industrial Standard defines the specifications for steel bars, including billets, used in concrete reinforcement. It guarantees the quality and performance of steel billets within the construction industry. 4. GB/T 699: A Chinese standard, this document establishes the technical requirements for high-quality carbon structural steel, including billets. It encompasses aspects such as chemical composition, mechanical properties, and heat treatment. 5. IS 2830: This Indian Standard outlines the specifications for carbon steel billets used in general engineering purposes. It encompasses requirements related to chemical composition, mechanical properties, and dimensional tolerances. By adhering to these international standards, industries across the globe can ensure the consistency, quality, and safety of steel billets. The adherence to such standards facilitates the uniformity and encourages global trade of steel products.
- Q: Is the reaction of carbon and carbon dioxide a redox reaction?
- According to the increase or decrease of the oxidation number, the redox reaction can be split into 2.5 reactions: the half reaction of increasing oxidation number is called the oxidation reaction, and the reaction of reducing the oxidation number is called the reduction reaction.In the reaction, the oxidizing substance, called the reducing agent, forms the oxidation product. The reducing reaction substance is called the oxidant, and the reduced product is produced. The oxidation product is oxidized but weaker than the oxidant; the reducing product is reductive but weaker than the reducing agent.Whether a chemical reaction belongs to an oxidation-reduction reaction depends on whether the reaction has an increase in the number of oxidation, or whether there is an electronic gain or loss.Turn left and turn right |In this reaction, carbon dioxide carbon has a valence of +4 price, after the reaction of carbon monoxide in the carbon price is +2, the carbon dioxide is reduced to carbon monoxide; elemental carbon has a valence of 0 by the price to rise to +2 price, is oxidized to carbon monoxide; carbon is oxidized to carbon dioxide reduction.
- Q: How are steel billets used in the production of industrial valves?
- Steel billets are used in the production of industrial valves as they serve as the raw material for shaping and forming various valve components, such as bodies, bonnets, stems, and discs. Through machining, forging, and welding processes, the steel billets are transformed into the required shapes and sizes, ensuring the strength and durability of the valves.
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Square Steel Billet Q235 3SP Grade Prime Quality 13#
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 m.t
- Supply Capability:
- 50000 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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