• Square Steel Billet Q235 3SP Grade Prime Quality 5# System 1
  • Square Steel Billet Q235 3SP Grade Prime Quality 5# System 2
  • Square Steel Billet Q235 3SP Grade Prime Quality 5# System 3
  • Square Steel Billet Q235 3SP Grade Prime Quality 5# System 4
  • Square Steel Billet Q235 3SP Grade Prime Quality 5# System 5
  • Square Steel Billet Q235 3SP Grade Prime Quality 5# System 6
Square Steel Billet Q235 3SP Grade Prime Quality 5#

Square Steel Billet Q235 3SP Grade Prime Quality 5#

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
2000 m.t
Supply Capability:
50000 m.t/month

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Description of Square Steel Billet Q235 Grade Prime Quality 5#

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.

Square Steel Billet Q235 3SP Grade Prime Quality 5#

Main Feature Square Steel Billet Q235 Grade Prime Quality 5#

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 Grade Prime Quality 5#

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.

Square Steel Billet Q235 3SP Grade Prime Quality 5#

Specifications of Square Steel Billet Q235 Grade Prime Quality 5#


StandardC(%)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
20MnSi0.17-0.251.2-1.6≤ 0.050≤ 0.0500.40-0.80
3SP0.14-0.220.40-0.85≤ 0.050≤ 0.0400.05-0.15
5SP0.28-0.370.50-1.00≤ 0.050≤ 0.0400.15-0.30
 

Square Steel Billet Q235 3SP Grade Prime Quality 5#

FAQ of Square Steel Billet Q235 Grade Prime Quality 5#

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: How are steel billets heated for rolling?
To prepare steel billets for rolling, they undergo a process known as billet heating or billet reheating. This involves subjecting the billets to high temperatures, making them more malleable and easier to shape during rolling. Various methods can be used to heat steel billets for rolling. One commonly employed technique involves the utilization of a walking beam furnace. Here, the billets are positioned on a conveyor that moves them through a furnace. The furnace is heated to a specific temperature, typically ranging from 1100 to 1250 degrees Celsius, and the billets are exposed to this heat for a predetermined duration. Continuously moving the billets through the furnace ensures uniform heating. Another method for billet heating involves the use of a rotary hearth furnace. In this approach, the billets are placed on a rotating hearth, which is heated by burners located beneath it. As the billets rotate on the hearth, they gradually absorb the heat emitted by the burners, gradually reaching the desired temperature. Induction heating is also a popular option for billet heating. This method employs an induction coil to generate an alternating magnetic field. The billets are placed within the coil, and the magnetic field induces electrical currents within them, resulting in the billets heating up. Induction heating is renowned for its efficiency and precise temperature control. Once the steel billets attain the desired temperature, they are ready for the rolling process. The heated billets are then transferred to a rolling mill, where they undergo further processing and shaping into various forms, such as bars, rods, or sheets. The heating process is crucial, as it enhances the ductility of the steel billets, minimizing the risk of cracking or failure during rolling.
Q: What are the main challenges in steel billet production?
Some of the main challenges in steel billet production include maintaining consistent quality, optimizing production processes to minimize energy consumption and waste, ensuring proper inventory management to meet customer demand, and dealing with fluctuations in raw material prices. Additionally, meeting environmental regulations and addressing safety concerns are also significant challenges in steel billet production.
Q: What are the different methods of steel billet cutting and machining?
There are several methods of steel billet cutting and machining, including bandsaw cutting, flame cutting, plasma cutting, water jet cutting, and machining processes such as milling, drilling, and turning. Each method has its own advantages and is chosen based on factors like the desired shape, accuracy, speed, and cost-effectiveness of the cutting or machining operation.
Q: How are steel billets used in the manufacturing of medical equipment?
Steel billets are an essential raw material used in the manufacturing of medical equipment. These billets are semi-finished steel products that serve as a starting point for various manufacturing processes. In the medical equipment industry, steel billets are utilized to produce a wide range of components and devices that are crucial for healthcare professionals and patients. Firstly, steel billets are often transformed into stainless steel through a process called stainless steel casting. Stainless steel is highly desirable in medical equipment manufacturing due to its excellent corrosion resistance, durability, and hygienic properties. It is commonly used in the production of surgical instruments, such as scalpels, forceps, and scissors, as well as implantable devices like orthopedic implants, pacemakers, and stents. Furthermore, steel billets are also used to manufacture medical equipment components through precision machining. These billets are machined into various shapes and sizes, allowing the production of parts like connectors, valves, brackets, and frames for medical devices and equipment. Precision machining ensures that these components meet the strict quality and dimensional requirements necessary for medical applications. In addition, steel billets are employed in the production of medical equipment casings and enclosures. These components provide protection and support for sensitive internal components, ensuring the durability and longevity of medical devices. Steel billets are often used to create casings for devices like X-ray machines, CT scanners, and MRI machines, as well as smaller equipment like infusion pumps and monitors. Overall, steel billets play a vital role in the manufacturing of medical equipment by providing the necessary raw material for the production of components, casings, and instruments. The inherent properties of steel, such as strength, durability, and corrosion resistance, make it an ideal material for medical applications. The use of steel billets ensures the production of high-quality, reliable, and safe medical equipment that is essential for the healthcare industry.
Q: What are the applications of steel billets?
Steel billets are primarily used as raw material in the production of various steel products such as bars, rods, wire, and seamless tubes. They are also used in the manufacturing of components for automotive, construction, and machinery industries. Additionally, steel billets can be further processed to produce forgings, which are used in heavy machinery and equipment.
Q: How do steel billets contribute to the oil and gas industry?
Steel billets are essential components in the oil and gas industry, playing a significant role in various applications. These billets are semi-finished metal products that are used as raw materials for manufacturing pipes, valves, fittings, and other equipment required in the extraction, transportation, and refining of oil and gas. One of the primary uses of steel billets in the industry is for the production of seamless pipes. These pipes are crucial for the transportation of oil and gas over long distances, as they provide a secure and reliable means of conveying these valuable resources. Steel billets are heated and then rolled into seamless pipes, which offer excellent strength, durability, and resistance to high-pressure environments. These pipes are utilized in offshore drilling, subsea pipelines, and other critical applications within the oil and gas sector. Moreover, steel billets are also utilized in the manufacturing of various valves and fittings used in oil and gas infrastructure. Valves are crucial for controlling the flow of oil and gas throughout the production and transportation processes. Steel billets are shaped into valve bodies, which are then machined to precise specifications, ensuring proper functionality and reliability. Similarly, fittings, such as couplings, elbows, and tees, are manufactured from steel billets to connect different sections of pipelines and equipment, providing a secure and leak-free system. Furthermore, steel billets contribute to the oil and gas industry by being a primary material for constructing storage tanks and pressure vessels. These tanks are used for the storage of crude oil, natural gas, and various petroleum products. Steel billets are transformed into plates, which are then welded together to form these large-scale storage containers. The inherent strength and corrosion resistance of steel make it an ideal material for such applications, ensuring the safe containment of valuable resources. In summary, steel billets are essential to the oil and gas industry as they are transformed into various components used in the extraction, transportation, and refining processes. From seamless pipes for long-distance transportation to valves, fittings, and storage tanks, steel billets provide the necessary strength, durability, and reliability required in this demanding industry.
Q: What are the main factors affecting the formability of stainless steel billets?
The main factors affecting the formability of stainless steel billets include the composition of the steel, its microstructure, temperature, strain rate, and lubrication during the forming process. Additionally, the presence of impurities, such as sulfur and phosphorus, can also impact formability.
Q: Are steel billets used in the production of electrical transmission towers?
The utilization of steel billets is widespread in the manufacturing of electrical transmission towers. At the onset of the production process, steel billets serve as the primary form of steel. They are typically shaped and sized through hot rolling, resulting in various sections and components required for constructing transmission towers. Due to its remarkable strength and durability, steel emerges as the perfect material for such structures, which must endure harsh environmental conditions and uphold heavy electrical conductors. Additionally, steel possesses exceptional electrical conductivity properties, a vital characteristic for ensuring the efficient transmission of electricity through the towers. In summary, steel billets assume a pivotal role in the creation of electrical transmission towers, guaranteeing their strength, durability, and efficiency.
Q: How are steel billets used in the manufacturing of electrical appliances?
Steel billets are essential for the manufacturing process of electrical appliances, serving as semi-finished steel products in a rectangular shape. They are used as raw materials for various components of electrical appliances. One primary application of steel billets in electrical appliance manufacturing is in producing motor cores. Motor cores are crucial parts of electric motors found in appliances like refrigerators, washing machines, and air conditioners. The steel billets are processed and shaped into laminated cores, which are then stacked together to form the motor core. These cores provide the necessary structural support and magnetic properties for generating rotational motion. In addition, steel billets are also used in manufacturing electrical wires and cables, which are vital for transmitting electricity within appliances. The billets are processed and drawn into thin wires, which are then insulated and bundled to create the required electrical connections within the appliances. Furthermore, steel billets are utilized in making housings and frames for electrical appliances. These components offer structural support and protection for the internal electrical parts. The billets are processed and molded into various shapes and sizes to create durable and rigid housings capable of withstanding everyday stress and environmental conditions. Overall, steel billets play a crucial role in the manufacturing of electrical appliances, providing the necessary raw materials for motor cores, electrical wires, cables, and housing components. Their strength, durability, and magnetic properties make them an ideal choice for ensuring the quality and performance of electrical appliances.
Q: What are the main factors affecting the hardenability of stainless steel billets?
The main factors affecting the hardenability of stainless steel billets are the chemical composition of the steel, the cooling rate during heat treatment, and the presence of alloying elements such as chromium, nickel, and molybdenum. The chemical composition determines the steel's ability to form martensite, a hard and brittle phase, during quenching. The cooling rate influences the transformation of austenite, the high-temperature phase, into martensite. Alloying elements enhance the hardenability by promoting the formation of martensite and improving the steel's ability to retain its hardness upon cooling.

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