Q235/3SP 185MM Blast Furnace Hot Rolled Steel Billet

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
2000 m.t.
Supply Capability:
30000 m.t./month
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Description of Q235/3SP 185MM Blast Furnace Hot Rolled Steel Billet

Our hot dip galvanised steels consist of a steel substrate with a metallic zinc coating applied by means of a continuous hot dip galvanising process. Metallic zinc coatings are available in steel grades ranging from steel for bending and deep drawing applications, to structural steels and high yield strength steels.

A glossy surface finish obtained under specific skin-pass conditions (either non-skin-passed or skin- passed with smooth cylinders to obtain low roughness) can be provided if required at time of enquiry.


Advantage of Q235/3SP 185MM Blast Furnace Hot Rolled Steel Billet

Uncoated CR steel sheet With the features of in line with the international highest standards in demension and shape, excellent surface finish and properties, the products are mainly used in home appliance and automobile industries.

Galvanized steel sheet(include HDG and EG)

With the features of good corrosion resistance, the products are mainly used in automobile, home appliance, electronics, building and machinery manufacture industries, etc.

Precoated steel sheet With the features of enviromental protection and good processablility, long lasting surface durability, rich in colors, the products are maily used in building, home appliance and furniture industries, etc.

Q235/3SP 185MM Blast Furnace Hot Rolled Steel Billet

Applications of Q235/3SP 185MM Blast Furnace Hot Rolled Steel Billet

Our hot dip galvanised steels can be used in a very wide range of applications for industrial markets, both indoors and outdoors. Some of the most common applications are:

Building: wide sections for roofing and cladding, doors, door frames, metallic ceilings, partitions, structural members etc
Domestic appliances: all appliances for this sector (both white and brown goods) are manufactured with hot dip galvanised steels
Miscellaneous: electrical cabinets, aeraulic components, air conditioners, road signs etc 

Zinc hot dip galvanised steel is suitable for contact with foodstuffs under certain conditions, as specified in European directive 89/109/EEC and French standard NF A 36-712-1. Please contact us for further information on this subject.

Q235/3SP 185MM Blast Furnace Hot Rolled Steel Billet

Specifications of Q235/3SP 185MM Blast Furnace Hot Rolled Steel Billet

Quality

Q/BQB 440-2003

JIS G3312-1994

JIS G3321

EN 10326-2004

ASTM A653-02a

EN 10327-2004

(BASE PLATE)

(BASE PLATE)


Commercial Steel

DC51D

SGCC

SGLCC

DX51D+Z

DX51D+AZ

CS Type A/B/C

Forming Steel

St01,St02,St03

SGCD1

SGLCD1

FS Type A, Type B

Drawing

DC52D /DC53D

-

DX52D+Z

DX52D+AZ

DDS TYPE A/C

Steel

DX53D+Z

DX53D+AZ

Structural

S280GD (StE28)

SGC400

SGLC400

S280D+Z

DX54D+AZ

SS275

Steel

S350GD (StE34)

SGC440

SGLC440

S350D+Z

S350D+AZ

SS340 Class1


FAQ of Q235/3SP 185MM Blast Furnace Hot Rolled Steel Billet

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:
Steel billets are a crucial raw material in the chemical industry as they are used in the production of various chemical equipment and machinery. These billets serve as a foundation for manufacturing components such as pipes, valves, tanks, and reactors, which are essential in carrying out chemical processes. Their strength, durability, and resistance to high temperatures make steel billets an ideal choice for constructing reliable and safe equipment used in the chemical industry.
Q:
There are several types of steel billet rolling processes, including hot rolling, cold rolling, and warm rolling. Hot rolling involves heating the billet to a high temperature and then passing it through a series of rollers to shape it into the desired form. Cold rolling, on the other hand, is performed at room temperature and involves passing the billet through rollers to achieve a desired thickness or shape. Warm rolling is a combination of hot and cold rolling, where the billet is heated to a lower temperature compared to hot rolling but higher than room temperature. Each of these processes has its own advantages and is used for different applications in the steel industry.
Q:
Steel billets are typically marked for identification using a variety of methods such as stamping, engraving, or laser marking. This allows for important information like the grade, size, and batch number to be permanently etched onto the surface of the billet, ensuring easy identification and traceability throughout the manufacturing process.
Q:
Steel billets play a vital role in the manufacturing of electrical appliances by providing a strong and durable material for various components. Electrical appliances, such as refrigerators, washing machines, and air conditioners, require sturdy structures to withstand constant usage and external forces. Steel billets, which are semi-finished metal products, are used as a raw material in the manufacturing process to create these robust structures. Firstly, steel billets are forged or rolled into different shapes and sizes to create the frames, chassis, and housing of electrical appliances. These components provide the necessary support and protection for the internal parts of the appliances. The strength and stability of steel make it an ideal choice for withstanding the weight and vibrations generated during the operation of electrical appliances. Additionally, steel billets are used to fabricate the motor cores and transformer cores in electrical appliances. Motor cores are essential for converting electrical energy into mechanical energy, while transformer cores are responsible for regulating the voltage in electrical circuits. Steel's magnetic properties, such as high electrical conductivity and low hysteresis loss, make it an excellent choice for these applications, ensuring efficient energy conversion and transmission. Moreover, steel billets are utilized to manufacture heating elements and electrical contacts in appliances like stoves, ovens, and switches. These components require materials that can withstand high temperatures, resist corrosion, and provide excellent electrical conductivity. Steel billets are often alloyed with other metals, such as nickel or chromium, to enhance these properties, making them highly suitable for such applications. In conclusion, steel billets contribute significantly to the manufacturing of electrical appliances by providing a durable and versatile material for various components. The strength, stability, and magnetic properties of steel make it an essential raw material for creating the frames, motor cores, transformer cores, heating elements, and electrical contacts used in these appliances. Thanks to steel billets, electrical appliances can perform reliably and efficiently, meeting the needs and expectations of consumers.
Q:
The typical size and shape of steel billets can vary depending on the specific application and industry requirements. However, they are commonly rectangular or square in shape, with dimensions ranging from a few inches to several feet in length, width, and height.
Q:
Steel billets can contain various types of surface defects, which may arise from the manufacturing process or external factors. Common surface defects in steel billets include: 1. Scale: During heating and cooling, an oxide layer called scale can form on the billet's surface. This thin layer resembles rust and can impact the steel's quality and appearance. 2. Cracks: Improper cooling or excessive stress can cause cracks during manufacturing. These cracks may be longitudinal or transverse and weaken the billet's structural integrity. 3. Pits: Small depressions or cavities known as pits can develop on the billet's surface. They may result from impurities or corrosion. 4. Seam: Improperly joined sections during manufacturing can lead to a linear defect called a seam along the billet's surface. 5. Lamination: Lamination defects occur when layers or flakes detach from the billet's surface. This can be due to inadequate bonding between layers or improper rolling. 6. Inclusions: Non-metallic particles or impurities can become trapped within the steel billet during manufacturing. These inclusions can impact the steel's mechanical properties and overall quality. 7. Decarburization: Decarburization is a surface defect where the steel's carbon content is reduced, resulting in a softer and weaker surface layer. This defect may arise from improper heating or cooling processes. Detecting and addressing these surface defects in steel billets is crucial to ensure the quality and performance of the final steel products. Manufacturers employ various inspection methods and quality control measures during the manufacturing process to minimize the occurrence of these defects.
Q:
Steel billets are marked for identification and traceability using various methods. One common method is through the use of unique identification numbers or codes. These numbers or codes can be engraved or stamped onto the surface of the billet, making it easily identifiable. This marking can be done using specialized equipment such as laser engraving machines or steel stamping tools. In addition to identification numbers, other important information such as the grade, heat number, and production date can also be marked on the billet. This information is crucial for traceability purposes and helps in tracking the origin and quality of the steel. Furthermore, some manufacturers may opt to use additional marking techniques such as paint or ink marking. This can involve using specific colors or symbols to represent different characteristics or attributes of the billet. For instance, a specific color may indicate the steel's intended use or a symbol may represent the manufacturer's logo or quality certification. Overall, marking steel billets for identification and traceability is essential in ensuring quality control, verifying compliance with industry standards, and facilitating efficient inventory management throughout the supply chain.
Q:
To ensure the quality of steel billets, various measures are implemented during the production process. Here are several key factors that contribute to this: 1. Raw materials selection: High-quality raw materials like iron ore, coal, and scrap metal are carefully chosen for the production of steel billets. These materials undergo rigorous testing to ensure they meet the necessary specifications and standards. 2. Melting and refining: The raw materials are melted and refined to produce the steel billets. This stage utilizes advanced technologies and equipment to control temperature and chemical composition, ensuring consistency and uniformity in the final product. 3. Continuous casting: The molten steel is poured into a continuous casting machine, where it solidifies into billet form. This process allows for precise control over cooling, 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. Techniques like laser measurement, ultrasonic testing, and magnetic particle inspection are used to detect defects or abnormalities. 5. Heat treatment: Steel billets may undergo heat treatment processes like annealing or quenching to enhance their mechanical properties and eliminate residual stresses. These treatments are carefully controlled to achieve desired results and improve overall quality. 6. Testing and quality control: Comprehensive testing is conducted on the steel billets to ensure they meet required standards. Mechanical and chemical tests, such as tensile strength, hardness, and chemical composition analysis, are performed. Non-destructive testing methods like ultrasonic testing and X-ray inspection are used to detect internal defects or flaws. 7. Traceability and documentation: Detailed documentation is maintained throughout the production process to track each batch of steel billets. This includes information on the raw materials used and final testing results, ensuring traceability and providing a record for quality control purposes. By implementing these measures and following strict quality control procedures, steel manufacturers can ensure that the produced steel billets meet required standards and are suitable for further processing and use in various industries.
Q:
There are several surface treatments that can be applied to steel billets to improve machinability. Some of the commonly used treatments include machining with a controlled feed rate and cutting tool selection, which helps in reducing tool wear and improving surface finish. Additionally, coatings such as ceramic or diamond-like carbon coatings can be applied to the billet surface to reduce friction and increase tool life. Heat treatments like carburizing or nitriding can also be employed to create a hardened surface layer, improving wear resistance during machining operations. Overall, these surface treatments aim to enhance the machinability of steel billets by minimizing tool wear, improving surface finish, and increasing productivity.
Q:
Steel billets are used in the manufacturing of automotive engine components as they serve as the raw material from which various engine parts are forged or machined. These billets are heated and shaped into different forms such as crankshafts, connecting rods, camshafts, and valves, which are integral to the functioning of an engine. By using steel billets, manufacturers can ensure the strength, durability, and reliability of these components, resulting in high-performance engines.

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