Carbon Steel Billets Square Billets 5sp 3sp& Q235

Carbon Steel Billets Square Billets 5sp 3sp& Q235

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 800000 m.t./month

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Quick Details

Place of Origin:	Tianjin, China (Mainland)	Brand Name:	cnbm	Grade:	3SP,5SP,Q235,20MnSi.
Shape:	Square	Length:	5.8-12m or as per request	Standard:	GB
Technique:	Hot Rolled	Dimensions:	100100-150150mm	Alloy Or Not:	Non-alloy
Secondary Or Not:	Non-secondary	place of origin:	Tianjin	MOQ:	1O tons at least one container
trade term:	FOB, CIF, CFR	packing:	in bundles,seaworthy packing	delivery date:	15-20 days after receiving the down payment or LC.
payment term:	Down payment 30% T/T and balance 70% T/T or L/C.	Carbon Steel Billets with Max Carbon:	0.30%

Packaging & Delivery

Packaging Details:	in bundles
Delivery Detail:	within 25 days after we received your advanced payment

Carbon Steel Billets Square Billets 5sp 3sp& Q235

PRODUCT NAME	Carbon Steel Billets Square Billets
material	3SP,5SP,Q235,20MnSi.
size	100100MM 120120MM 130130MM 150150MM
length	6M,9M,12M or as per request
capability	20000MT PER MONTH
technique	hot rolled
certification	GB
delivery time	within 25 days after we received your advanced payment
packing	in bundles

Thanks for your interest on our product carbon square steel billets. If you have any special requirments , please feel free to contanct us.

We would reply you in the first time.

Best regards.

Q: How are steel billets used in the production of structural sections?: Steel billets are used in the production of structural sections by being heated and then passed through a series of rollers to form the desired shape, such as I-beams, angles, or channels. These sections are essential in construction and engineering projects as they provide strength, support, and stability to buildings and structures.

Q: What are the different production methods for steel billets?: There are several different production methods for steel billets, including continuous casting, ingot casting, and direct hot rolling. Continuous casting involves pouring molten steel into a water-cooled mold to form a continuous strand, which is then cut into desired lengths. Ingot casting involves pouring molten steel into individual molds to form solid blocks, which are later reheated and rolled into billets. Direct hot rolling involves passing a large steel ingot through a series of rolling mills to reduce its size and shape it into a billet.

Q: Can steel billets be used in the production of railway infrastructure?: Yes, steel billets can be used in the production of railway infrastructure. Steel billets are semi-finished products that are typically used as raw material in the manufacturing of various steel products. In the case of railway infrastructure, steel billets can be further processed and shaped into different components such as rails, sleepers, and fasteners. Rails, the tracks on which trains run, are usually made from steel billets. These billets are heated and passed through a rolling mill to form the desired rail profile. The resulting rail is then further processed to meet specific requirements such as strength, durability, and resistance to wear and fatigue. Similarly, steel billets can also be used in the production of sleepers, which are the supporting structures that hold the rails in place. Sleepers are typically made from prestressed concrete or steel, and steel billets can be used as the raw material for manufacturing steel sleepers. Additionally, steel billets can be used in the production of various fasteners that are essential for railway infrastructure. These include rail clips, bolts, nuts, and washers, which are used to securely fasten rails to sleepers and other components. Overall, steel billets play a crucial role in the production of railway infrastructure. They provide the necessary raw material for manufacturing rails, sleepers, and fasteners, thereby contributing to the construction and maintenance of railway tracks, bridges, and other essential infrastructure elements.

Q: What are the main factors affecting the quality of steel billets?: The main factors affecting the quality of steel billets include the composition of the raw materials used, the temperature and duration of the heating process, the cooling rate, and the presence of impurities or defects in the final product. Additionally, the quality of the equipment and machinery used during the production process, as well as the expertise and experience of the workers, can also significantly impact the quality of steel billets.

Q: Can steel billets be used for making furniture?: Indeed, furniture can be made using steel billets. Generally, steel billets serve as the primary material in manufacturing steel bars, rods, and other steel goods. Through appropriate equipment and production techniques, steel billets can be converted into diverse furniture elements like table frames, chair legs, or even complete steel furniture items. Steel furniture is renowned for its robustness, resilience, and contemporary visual allure. Nevertheless, it is crucial to acknowledge that steel furniture might necessitate supplementary treatments like painting or powder coating to prevent rust and improve its aesthetic appeal.

Q: What are the main factors affecting the dimensional tolerances of steel billets?: Various factors can influence the dimensional tolerances of steel billets. The manufacturing process itself is one of the main factors. The method employed to produce the billets, whether it be casting or hot rolling, can impact the final dimensions. Casting processes, for instance, can introduce variations in the cooling rate, thereby affecting the overall shape and size of the billets. Another crucial factor is the initial quality of the raw material. The composition and homogeneity of the steel utilized in billet production can contribute to dimensional variations. Impurities or uneven distribution of alloying elements can result in inconsistencies in the size and shape of the billets. The temperature maintained during the manufacturing process is also significant. High temperatures have the potential to cause thermal expansion, leading to dimensional changes in the billets. Proper control of cooling rates and the cooling process is vital to maintaining the desired tolerances. The design and condition of the manufacturing equipment can also impact dimensional tolerances. Adequate maintenance and calibration of machinery are essential to ensure consistent and accurate production. Lastly, external factors like handling and transportation can affect the dimensional tolerances of steel billets. Improper handling or rough transportation conditions can result in physical deformations or damage to the billets, leading to variations in their dimensions. In summary, achieving the desired dimensional accuracy in steel billets necessitates attention to factors such as the manufacturing process, raw material quality, temperature control, equipment condition, and handling and transportation practices.

Q: What are the different surface finishes available for stainless steel billets?: Some of the different surface finishes available for stainless steel billets include mill finish, brushed finish, mirror finish, satin finish, and bead blasted finish.

Q: What are the different surface defects found in alloy steel billets?: There are several different surface defects that can be found in alloy steel billets. These defects can occur during the production process and can have an impact on the quality and performance of the final product. Some of the common surface defects found in alloy steel billets include: 1. Scale: Scale is a thin layer of oxide that forms on the surface of the billet during the heating and cooling process. It can be caused by exposure to air or by the presence of impurities in the steel. Scale can negatively affect the surface finish and can also lead to corrosion. 2. Cracks: Cracks can occur on the surface of the billet due to various reasons such as improper cooling, excessive stress, or improper handling. These cracks can weaken the structural integrity of the billet and can lead to failure during subsequent processing or in the final product. 3. Pits: Pits are small depressions or cavities that can be found on the surface of the billet. They can be caused by the presence of impurities or by the reaction of the steel with the environment. Pits can affect the surface finish and can also act as stress concentration points, leading to further damage or failure. 4. Laminations: Laminations are layers or sheets of non-metallic material that can be found within the billet. They can occur due to incomplete bonding during the production process or due to the presence of impurities in the steel. Laminations can weaken the billet and can lead to failure under load. 5. Inclusions: Inclusions are non-metallic particles or impurities that can be found within the steel. They can be introduced during the production process or can be present in the raw materials. Inclusions can affect the mechanical properties of the steel and can lead to reduced strength, toughness, and ductility. 6. Decarburization: Decarburization is the loss of carbon from the surface of the steel. It can occur during the heating process or due to exposure to air. Decarburization can result in reduced hardness and strength in the affected area. It is important to detect and address these surface defects in alloy steel billets to ensure the production of high-quality and reliable products. Various inspection and testing methods, such as visual inspection, ultrasonic testing, and magnetic particle inspection, can be employed to identify and assess these defects.

Q: What are the different types of steel billet casting defects?: There are several different types of steel billet casting defects that can occur during the casting process. These defects can have varying degrees of severity and can impact the quality and performance of the final product. Some of the most common types of steel billet casting defects include: 1. Shrinkage: Shrinkage defects occur when there is inadequate feeding of liquid metal into the solidifying billet. This can result in voids or cavities within the billet, leading to reduced strength and potential failure under stress. 2. Porosity: Porosity defects are characterized by the presence of small gas bubbles or voids within the billet. These defects can weaken the material, reduce its density, and impair its performance in terms of mechanical properties such as tensile strength and ductility. 3. Inclusions: Inclusions are foreign substances that become trapped within the billet during the casting process. These can include non-metallic particles, oxides, or impurities. Inclusions can negatively impact the mechanical properties, such as reducing ductility and increasing brittleness. 4. Surface defects: Surface defects can occur during the casting process and can include issues such as cracks, scabs, or uneven surfaces. These defects can affect the appearance of the billet and may also impact its structural integrity. 5. Segregation: Segregation defects occur when there is an uneven distribution of alloying elements within the billet. This can result in areas of varying composition, which can lead to inconsistencies in mechanical properties and reduced overall performance. 6. Hot tears: Hot tears are cracks that occur in the billet during solidification due to thermal stresses. These defects can weaken the material and result in reduced strength and failure under stress. 7. Misruns: Misruns occur when the liquid metal does not completely fill the mold cavity, resulting in an incomplete billet. This defect can lead to reduced dimensions, poor surface finish, and compromised mechanical properties. It is important to identify and address these steel billet casting defects to ensure the production of high-quality and reliable steel products. Various techniques such as proper mold design, controlling casting parameters, and process optimization can be employed to minimize these defects and improve the overall quality of the billet.

Q: What are the different types of surface treatment defects found in steel billets?: Some of the different types of surface treatment defects found in steel billets include scale, pits, cracks, scratches, and surface contamination. These defects can occur due to various factors such as improper cleaning, handling, or storage, as well as the presence of impurities in the steel or the surface treatment process itself.

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