• Q235/3SP 85MM Blast Furnace Hot Rolled Steel Billet System 1
  • Q235/3SP 85MM Blast Furnace Hot Rolled Steel Billet System 2
  • Q235/3SP 85MM Blast Furnace Hot Rolled Steel Billet System 3
  • Q235/3SP 85MM Blast Furnace Hot Rolled Steel Billet System 4
  • Q235/3SP 85MM Blast Furnace Hot Rolled Steel Billet System 5
  • Q235/3SP 85MM Blast Furnace Hot Rolled Steel Billet System 6
Q235/3SP 85MM Blast Furnace Hot Rolled Steel Billet

Q235/3SP 85MM 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 85MM 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 85MM 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 85MM Blast Furnace Hot Rolled Steel Billet

Applications of Q235/3SP 85MM 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 85MM Blast Furnace Hot Rolled Steel Billet

Specifications of Q235/3SP 85MM 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 85MM 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: What is the role of steel billets in the manufacturing of construction cranes?
Steel billets play a crucial role in the manufacturing of construction cranes as they serve as the raw material for creating the structural components of the crane. These billets are heated and then shaped into various sections such as beams and columns, which provide the strength and stability required for the crane to lift heavy loads. The use of steel billets ensures the durability and reliability of construction cranes, enabling them to withstand the demanding conditions of construction sites and safely perform their lifting tasks.
Q: How are steel billets used in the manufacturing of construction equipment?
Steel billets are a crucial component in the manufacturing of construction equipment. These billets, which are essentially semi-finished steel products, serve as the primary raw material for creating various components and structures used in construction machinery. One of the main applications of steel billets in construction equipment manufacturing is for forging and casting processes. Billets are heated to high temperatures and then forged or cast into different shapes and sizes based on the specific requirements of the equipment being produced. Components such as gears, connecting rods, axle shafts, and hydraulic cylinders are commonly manufactured using this method. Furthermore, steel billets are also used in the production of structural components in construction equipment. These billets are typically shaped into beams, columns, and plates through hot rolling or cold drawing processes. These structural components provide the necessary strength and stability to the construction equipment, ensuring durability and long-lasting performance. Moreover, steel billets are utilized in the fabrication of frames and chassis of construction machinery. The billets are cut, shaped, and welded together to form a robust and sturdy framework that serves as the backbone of the equipment. This framework provides structural integrity, support, and rigidity to the construction equipment, allowing it to withstand heavy loads, vibrations, and harsh working conditions. In addition to the aforementioned applications, steel billets are also used to create other essential parts of construction equipment, such as buckets, blades, cutting edges, and tracks. These parts are crucial for the efficient operation of machinery like excavators, bulldozers, cranes, and loaders. Overall, steel billets play a vital role in the manufacturing of construction equipment by providing the necessary raw material for forging, casting, and fabricating various components and structures. The use of high-quality steel billets ensures that the construction equipment possesses the required strength, durability, and resilience to perform optimally in demanding construction environments.
Q: How do steel billets contribute to the overall recyclability of a product?
The overall recyclability of a product is significantly improved with the use of steel billets. These semi-finished steel products are formed through the process of casting, where molten steel is poured into molds and allowed to solidify. To begin with, steel billets possess the remarkable ability to be melted down and reprocessed multiple times without compromising their structural integrity or quality. This characteristic renders steel billets highly recyclable and ideal for utilization as raw materials in the production of various steel products. When a steel product reaches the end of its lifespan, it can be melted down and transformed into new steel billets for further usage. Moreover, steel billets contribute to the circular economy by reducing the necessity for primary steel production. By recycling and reusing steel, the demand for extracting raw materials and consuming excessive energy during the manufacturing process is minimized. This conservation of natural resources not only diminishes greenhouse gas emissions but also mitigates the overall environmental impact associated with steel production. Additionally, steel billets enable the creation of products with a greater proportion of recycled content. By incorporating recycled steel into new products, the overall recyclability of the final product is heightened. This not only conserves energy and resources but also diminishes the amount of waste that would otherwise find its way into landfills. In conclusion, steel billets enhance the recyclability of a product by virtue of their own high recyclability, reduction in the demand for primary steel production, and augmentation of the recycled content in the final product. Their contribution to the circular economy and environmental sustainability makes them an indispensable component in the overall life cycle of steel products.
Q: What is the drop per minute of the billet temperature at 850?
Generally, the temperature decreases gradually during the rolling process (a small section of high speed wire has a temperature rising process), usually above 750 degrees
Q: What are the different methods of surface treatment for steel billets?
Various methods exist for surface treatment of steel billets, each serving a distinct purpose and offering unique advantages. Among the most commonly employed techniques are: 1. Pickling: This involves immersing the steel billets in an acid solution to eliminate surface impurities like rust or scale. Pickling enhances surface finish and readies the steel for subsequent treatment or processing. 2. Shot blasting: In this method, high-speed steel shots or grits are used to bombard the steel billets, eliminating surface contaminants and creating a uniform texture. Shot blasting is frequently employed to remove rust, scale, or paint, and it can enhance the adhesion of subsequent coatings or paints. 3. Galvanizing: This treatment entails coating the steel billets with a layer of zinc to provide corrosion resistance. Galvanizing can be accomplished through hot-dip galvanizing, where the steel is immersed in a molten zinc bath, or through electroplating, where a thin layer of zinc is deposited on the surface using an electric current. 4. Painting or powder coating: Steel billets can be painted or coated with powder to deliver both aesthetic appeal and protection against corrosion. Paints or powder coatings create a barrier between the steel surface and the environment, preventing moisture and other corrosive agents from reaching the metal. 5. Passivation: This method requires treating the steel billets with a chemical solution, typically an acid, to remove any free iron or iron oxide from the surface. Passivation enhances the corrosion resistance of stainless steel and other alloys by creating a passive oxide layer that safeguards against further oxidation or rusting. 6. Nitriding: Nitriding is a surface hardening treatment where the steel billets are exposed to an atmosphere rich in nitrogen at elevated temperatures. This process diffuses nitrogen into the steel's surface, forming a hardened layer that enhances wear resistance and improves fatigue strength. 7. Chrome plating: Steel billets can be coated with a layer of chromium through electroplating, providing enhanced corrosion resistance and a glossy appearance. Chrome plating is frequently utilized in applications where aesthetics and durability are crucial, such as automotive parts or decorative fixtures. These examples represent only a fraction of the available surface treatment methods for steel billets. The selection of a particular technique depends on factors such as the desired outcome, the specific properties required, and the intended application of the steel billets.
Q: What are the different methods of steel billet casting?
In the industry, various methods are commonly used for steel billet casting. These methods encompass continuous casting, ingot casting, and direct casting. Continuous casting stands as the most widely employed method for steel billet casting. In this process, molten steel is poured into a water-cooled mold, typically made of copper. As the steel cools and solidifies, a seamless billet is formed, which is subsequently cut into desired lengths. Continuous casting allows for high production rates and precise control over billet dimensions and quality. Ingot casting represents an alternative method for steel billet casting. It involves pouring molten steel into individual molds to create ingots. These ingots are then allowed to solidify before being reheated and hot rolled into billets. Ingot casting is often utilized for small-scale production or for specialty steel alloys that require specific compositions. Direct casting, also known as strand casting, emerges as a newer method for steel billet casting, eliminating the need for solidification and reheating processes. In this method, molten steel is directly poured into billets through a series of water-cooled copper molds. The billets are subsequently cooled and cut to the desired lengths. Direct casting offers advantages such as reduced energy consumption and improved yield by eliminating the intermediate steps of ingot casting. Ultimately, the selection of the steel billet casting method relies on factors like production volume, desired quality, and specific requirements of the steel alloy being produced. Each method possesses its own advantages and limitations, and choosing the appropriate method is vital for ensuring efficient and cost-effective steel billet production.
Q: What are the common surface treatments for steel billets?
Common surface treatments for steel billets include hot-dip galvanizing, electroplating, painting, and powder coating.
Q: How do steel billets contribute to sustainable construction?
Steel billets contribute to sustainable construction in several ways. Firstly, steel is a highly durable and long-lasting material, which means that structures made from steel billets have a longer lifespan and require less maintenance and repair over time. This reduces the need for frequent reconstruction and minimizes waste generation. Secondly, steel is a recyclable material, and steel billets can be easily melted down and reused in the production of new steel products without losing their quality. This reduces the demand for raw materials and energy consumption, reducing the environmental impact of construction. Furthermore, steel is known for its strength and load-bearing capacity, allowing for the design of lighter and more efficient structures. This not only reduces the amount of steel required in construction but also decreases the overall weight of the building, which can lead to energy savings during transportation and construction. Lastly, steel is resistant to pests, such as termites, and is not susceptible to rot or decay. This eliminates the need for chemical treatments and preservatives, making it a safer and more sustainable choice for construction. Overall, steel billets contribute to sustainable construction by promoting durability, recyclability, energy efficiency, and reduced environmental impact.
Q: What are the different methods of corrosion protection for steel billets?
There are several methods of corrosion protection for steel billets, including coating, galvanization, cathodic protection, and the use of corrosion inhibitors. Coating involves applying a protective layer, such as paint or epoxy, to the surface of the billets to prevent direct contact with corrosive elements. Galvanization involves coating the steel with a layer of zinc, which acts as a sacrificial anode and provides a barrier against corrosion. Cathodic protection involves connecting the steel billets to a sacrificial metal or an impressed current system to protect them from corrosion. Corrosion inhibitors are chemicals that are added to the environment or applied directly to the steel to inhibit the corrosion process. Each method has its advantages and considerations depending on the specific application and environmental factors.
Q: How are steel billets used in the construction of bridges?
Steel billets are an essential component in the construction of bridges due to their exceptional strength and durability. These cylindrical pieces of raw steel are heated and shaped into various structural components, such as beams, columns, and girders, which form the backbone of bridge structures. The first step in using steel billets for bridge construction involves heating them in a furnace to make them malleable. Once heated to the desired temperature, the billets are then passed through a series of rollers to shape them into the required sections. This process, known as hot rolling, ensures that the steel attains the necessary strength and structural integrity. The shaped steel billets are then further processed and fabricated to create different bridge components. Beams, for instance, are made by cutting and welding steel billets to form long, horizontal members that support the weight of the bridge deck. These beams are often designed to withstand heavy loads and provide stability to the overall structure. Columns, on the other hand, are vertical members that transfer the load from the bridge deck to the foundations. Steel billets are shaped and welded together to form these load-bearing columns, ensuring that they have the required strength to withstand compression forces. Girders are another crucial component in bridge construction, serving as horizontal supports that span across the bridge's width. Steel billets are shaped into girders, which are then fabricated and connected to the bridge's piers or abutments. These girders provide the necessary strength to distribute the weight of the bridge deck evenly. In addition to their strength, steel billets offer several advantages in bridge construction. They have a high resistance to corrosion, ensuring the durability and longevity of the bridge structure. Steel billets are also highly versatile, allowing for various shapes and sizes to be created, which enables engineers to design bridges that can meet specific project requirements. Overall, steel billets are extensively used in the construction of bridges due to their strength, durability, and versatility. They form the backbone of bridge structures, providing the necessary support and stability to ensure the safe and efficient transportation of people and goods.

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