• Square Steel Billet Q235 Grade Prime Quality 7# System 1
  • Square Steel Billet Q235 Grade Prime Quality 7# System 2
  • Square Steel Billet Q235 Grade Prime Quality 7# System 3
  • Square Steel Billet Q235 Grade Prime Quality 7# System 4
  • Square Steel Billet Q235 Grade Prime Quality 7# System 5
  • Square Steel Billet Q235 Grade Prime Quality 7# System 6
Square Steel Billet Q235 Grade Prime Quality 7#

Square Steel Billet Q235 Grade Prime Quality 7#

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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 7#

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 Grade Prime Quality 7#

Main Feature Square Steel Billet Q235 Grade Prime Quality 7#

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 7#

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 Grade Prime Quality 7#


Specifications of Square Steel Billet Q235 Grade Prime Quality 7#

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 Grade Prime Quality 7#

FAQ of Square Steel Billet Q235 Grade Prime Quality 7#

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 used in the production of crankshafts?
Steel billets are an essential component in the production of crankshafts. A crankshaft is a vital part of an engine that converts the reciprocating motion of the pistons into rotational motion, thus providing power to the vehicle or machinery. The manufacturing process of crankshafts involves several steps, and steel billets play a crucial role in forming the base material for this intricate component. A steel billet is a semi-finished product, typically in a square or rectangular shape, which is obtained through the continuous casting or rolling of molten steel. To produce a crankshaft, the steel billet is first heated to a specific temperature, usually through induction heating, to enhance its malleability and make it easier to shape. The heated billet is then placed into a forging machine, where it undergoes a series of compressive forces and plastic deformation to gradually form the desired shape of the crankshaft. During the forging process, the steel billet is subjected to immense pressure to ensure that the metal grain structure aligns in the optimal direction, resulting in a stronger and more durable crankshaft. The precise shaping of the crankshaft's main bearing journals, crankpin journals, and counterweights is achieved through carefully controlled forging techniques. Once the forging process is complete, the partially finished crankshaft undergoes various machining operations, including milling, turning, and grinding, to refine its dimensions and surface finish. These operations help ensure the crankshaft meets the required specifications for smooth operation and efficient power transmission. In summary, steel billets serve as the raw material for crankshaft production. Through the forging process, the billet is shaped and transformed into a strong and resilient crankshaft that can withstand the demanding conditions of an engine. The use of steel billets helps produce crankshafts with superior strength, durability, and performance, making them a critical component in the automotive and machinery industries.
Q:How are steel billets measured?
Steel billets are measured using various techniques and tools to ensure accurate dimensions and specifications. One common method is through the use of calipers or micrometers. These tools allow for precise measurements of the billet's diameter, length, and any other required dimensions. In addition to physical measurements, steel billets may also undergo non-destructive testing methods such as ultrasonic testing or eddy current testing. These techniques can detect any internal defects or inconsistencies in the billet, ensuring its quality and integrity. Furthermore, steel billets are often weighed to determine their mass. This can be done using different weighing scales or load cells, depending on the size and weight of the billet. The weight measurement is crucial in determining the billet's mass per unit length, which is important for calculating its density and other mechanical properties. Overall, the measurement of steel billets is a crucial step in the manufacturing process, as it ensures that the billets meet the required specifications for further processing and usage in various industries such as construction, automotive, and manufacturing.
Q:What are the potential applications of steel billets in the oil and gas aftermarket?
Steel billets possess a wide range of potential uses within the oil and gas aftermarket. Initially, they find application in the production of various components for the industry, including valves, flanges, and fittings. These components are indispensable for the efficient functioning and upkeep of pipelines, refineries, and drilling facilities. Moreover, steel billets serve a critical role in the manufacturing of seamless pipes, which are essential for the long-distance transportation of oil and gas. The seamless pipes crafted from steel billets exhibit exceptional strength, durability, and resistance to corrosion, rendering them suitable for the often challenging conditions encountered in the oil and gas industry. Furthermore, steel billets find utility in the production of downhole tools and equipment. These tools are instrumental during drilling operations, enabling the extraction of oil and gas from beneath the Earth's surface. Steel billets provide the necessary strength and toughness to withstand the extreme pressures and temperatures encountered in downhole environments. Additionally, steel billets contribute to the fabrication of storage tanks and vessels utilized in the oil and gas industry. These tanks serve as storage facilities for crude oil, refined products, and natural gas. Steel billets offer exceptional weldability and structural integrity, guaranteeing the reliability and safety of these storage facilities. Moreover, steel billets find application in the construction of offshore platforms and structures. These platforms are integral to drilling, production, and processing activities in offshore oil and gas fields. Steel billets are highly favored in this context due to their outstanding strength, resistance to corrosion, and ability to withstand the harsh marine environment. In conclusion, the potential uses of steel billets within the oil and gas aftermarket are extensive. Whether it is the production of components, seamless pipes, and downhole tools, or the fabrication of storage tanks and offshore platforms, steel billets play a crucial role in supporting the operations of the oil and gas industry.
Q:What is the maximum temperature that a steel billet can withstand?
The maximum temperature a steel billet can withstand is largely dependent on the specific type and grade of steel being used. However, as a general rule, most steels will lose their structural integrity and mechanical properties when exposed to temperatures above 800 degrees Celsius (1472 degrees Fahrenheit). At these elevated temperatures, steel experiences significant thermal expansion, resulting in distortion, warping, and eventual failure. In specialized applications, certain high-temperature alloys or superalloys have the ability to withstand even higher temperatures. These materials are purposefully designed to maintain their strength and durability under extreme heat, often surpassing 1000 degrees Celsius (1832 degrees Fahrenheit) or more. Nevertheless, it is crucial to understand that determining the maximum temperature a steel billet can endure should always involve consulting the technical data sheet specific to the material or seeking advice from experts in the field. Factors such as alloy composition, heat treatment, and intended usage can all contribute to establishing the maximum temperature limit for a steel billet.
Q:How is the quality of steel billets ensured during production?
The quality of steel billets is ensured through various measures implemented during the production process. Here are some key factors that contribute to ensuring the quality of steel billets: 1. Raw Material Selection: The quality of steel billets starts with the selection of high-quality raw materials, such as iron ore, coal, and scrap metal. These materials undergo rigorous testing to ensure they meet the required specifications and standards. 2. Melting and Refining: Steel billets are produced through the process of melting and refining the raw materials. During this stage, advanced technologies and equipment are used to control the temperature and chemical composition, ensuring uniformity and consistency in the final product. 3. Continuous Casting: The molten steel is then poured into a continuous casting machine, where it solidifies into billet form. Continuous casting allows for precise control over the cooling process, resulting in billets with uniform dimensions and internal structure. 4. In-line Inspection: Modern production facilities incorporate in-line inspection systems that continuously monitor and analyze the quality of the steel billets during the production process. These systems use various techniques such as laser measurement, ultrasonic testing, and magnetic particle inspection to detect any defects or abnormalities. 5. Heat Treatment: After the initial production, steel billets may undergo heat treatment processes such as annealing or quenching to enhance their mechanical properties and eliminate any residual stresses. These treatments are carefully controlled to achieve the desired results and improve the overall quality of the billets. 6. Testing and Quality Control: Steel billets undergo comprehensive testing to ensure they meet the required standards and specifications. This includes various mechanical and chemical tests, such as tensile strength, hardness, and chemical composition analysis. Additionally, non-destructive testing methods like ultrasonic testing and X-ray inspection are employed to detect any internal defects or flaws. 7. Traceability and Documentation: Throughout the production process, comprehensive documentation is maintained to track each batch of steel billets, from the raw materials used to the final testing results. This ensures traceability and provides a record for quality control purposes. By implementing these measures and following strict quality control procedures, steel manufacturers can ensure that the steel billets produced meet the required quality standards and are suitable for further processing and use in various industries.
Q:What are the main factors affecting the fatigue strength of alloy steel billets?
The main factors affecting the fatigue strength of alloy steel billets include the composition of the alloy, the presence of impurities or defects, the heat treatment process, surface conditions, and the presence of residual stresses. Additionally, the applied load, frequency, and environmental conditions can also influence the fatigue strength of alloy steel billets.
Q:How are steel billets inspected for internal defects?
Various non-destructive testing (NDT) techniques are utilized to inspect steel billets for internal defects. Ultrasonic testing (UT) is a common method wherein high-frequency sound waves are employed to detect flaws within the billet. By sending ultrasonic waves into the billet and analyzing the reflected waves, any internal flaws can be identified. UT has the capability to detect defects such as cracks, voids, inclusions, and other irregularities. Another technique used is magnetic particle inspection (MPI), which is particularly effective for identifying surface and near-surface defects in ferromagnetic materials like steel. By applying a magnetic field to the billet and spreading iron particles over its surface, any defects will cause the particles to form visible indications, thereby providing a clear indication of internal flaws. Liquid penetrant testing (PT) is another widely employed method for inspecting steel billets. This process involves applying a liquid dye to the billet's surface and allowing it to penetrate any surface-breaking defects. After a designated time, excess dye is removed and a developer is applied. The developer draws out the penetrant from any defects, making them visible under suitable lighting conditions. Furthermore, radiographic testing (RT) can be utilized to detect internal defects in steel billets. This method utilizes X-rays or gamma rays to capture images of the billet's internal structure. As the radiation passes through the billet, a film or digital detector records the transmitted radiation. Any internal defects will appear as shadows on the image, facilitating their identification. In summary, a combination of these NDT techniques is often employed to ensure a comprehensive inspection of steel billets for internal defects. This aids in maintaining the quality and integrity of the billets, ensuring they meet the necessary specifications and standards.
Q:How do steel billets contribute to the manufacturing of renewable energy equipment?
Steel billets are an essential component in the manufacturing of renewable energy equipment, such as wind turbines and solar panels. These billets are used to create sturdy and durable structures, including tower bases for wind turbines and frames for solar panels. Additionally, steel billets are crucial in the production of transmission and distribution infrastructure required for renewable energy systems. Their strength and versatility make them an indispensable material in the renewable energy industry, enabling the efficient and reliable generation of green energy.
Q:What is the composition of steel billets?
Steel billets, typically rectangular in shape, are solid and semi-finished products widely used as raw material in the production of various steel products. The specific grade and type of steel being produced determine the composition of these billets, which generally consist mainly of iron and carbon, with small amounts of other elements. Iron, the primary component of steel billets, provides the steel with structural strength and durability. Carbon, another essential element, enhances the hardness and strength of the steel. The proportion of carbon in the billets determines the type of steel produced, such as low carbon, medium carbon, or high carbon steel. Apart from iron and carbon, steel billets also contain trace amounts of other elements. These elements, including manganese, silicon, sulfur, phosphorus, and various alloying elements like chromium, nickel, and molybdenum, are added to improve specific properties of the steel, such as corrosion resistance, toughness, and heat resistance. It is crucial to consider that the composition of steel billets can vary significantly depending on the intended application and specific requirements. Different industries and manufacturers may have their own unique blends or specifications for steel billets. Therefore, consulting the appropriate standards and specifications is essential to determine the precise composition of steel billets for a given application.
Q:How do steel billets contribute to the energy sector?
Various reasons make steel billets an essential component in the energy sector. Firstly, they find use in constructing power plants and energy infrastructure. Steel billets are often employed in fabricating critical structures like beams, columns, and support systems that ensure stability and safety in these facilities. These structures create the required framework for housing generators, turbines, and other equipment necessary for energy production. Additionally, steel billets are utilized in manufacturing pipelines and storage tanks for the transportation and storage of different energy resources. Whether it's oil, natural gas, or even renewable sources like hydrogen, steel billets are crucial for creating durable and reliable pipeline systems capable of withstanding high pressures and harsh environmental conditions. Similarly, steel billets are involved in constructing storage tanks that securely hold energy resources and allow easy access when needed. Steel billets also play a vital role in the production of wind turbines. Their high strength and durability make them ideal for constructing the towers that support the blades and nacelle, which houses the generator and other components. The ability of steel billets to withstand extreme weather conditions and support the weight of the turbine is crucial for efficient and reliable wind energy generation. Furthermore, steel billets find use in manufacturing equipment and machinery used for extracting and exploring energy resources. For instance, steel billets are often used to construct drilling rigs and equipment for oil and gas exploration due to their high tensile strength and corrosion resistance. This ensures efficient and safe drilling operations, contributing to the overall energy production process. In conclusion, steel billets play a significant role in the energy sector by providing the necessary infrastructure, pipelines, storage tanks, and equipment essential for energy production, transportation, and exploration. Their strength, durability, and versatility make them a vital component in constructing and operating power plants, pipelines, wind turbines, and various other energy-related applications.

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