chrome alloy square mild steel billets prime billet steel for building
- Ref Price:
-
- 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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square steel billets
Specifications of square steel billets
100 X 100
125 X 125
150 X 150
Physical Properties:
Description | As per IS 2830 | Shyam Billets |
Bend (max.) | 5 mm per meter | >= 5 mm per meter |
Carbon (max.) | 3mm per meter | >= 3 mm per meter |
Length | 3 mt - 13 mt | 3 mt - 9 mt |
Chemical Properties:
Ladle Analysis: | ||
Designation | Carbon | Manganese |
C15 | 0.12-0.18 | 0.30-0.60 |
C18 | 0.15-0.21 | 0.30-0.60 |
C20 | 0.17-0.23 | 0.30-0.60 |
C15 MMn | 0.12-0.18 | 0.60-1.00 |
C18 MMn | 0.15-0.21 | 0.60-1.00 |
C20 MMn | 0.17-0.23 | 0.60-1.00 |
C15 HMn | 0.12-0.18 | 1.00-1.50 |
C18 HMn | 0.15-0.21 | 1.00-1.50 |
C20 HMn | 0.17-0.23 | 1.00-1.50 |
Chemical Analysis: | |||
Grade | Sulphur | Phosphorous | Carbon Equivalent (CE)1 |
Max | Max | Max | |
A | 0.05 | 0.05 | 0.42 |
B | 0.045 | 0.045 | 0.41 |
C | 0.04 | 0.04 | 0.39 |
The Detail of steel billet
Name: | steel billets |
LENGTH: | 6 meter to 12 meter (+ 50mm) |
Size: | 100*100, 120*120, 150*150, 200*200 |
Grade: | 3SP,5SP,Q235,20MnSi. |
Shape: | Square, Round |
Technique: | Hot-Rolled |
Standard: | ASTM/GB |
BENDING | No more than 5mm in 1 meter |
ANGULAR TWIST | No more than 1 degree per meter and not more than 6 degree over 12 meter length. |
Chemical composition | C, Si, Mn, P, S, N, Cr |
Chemical Properties steel billet
Size | 60*60/90*90/100*100/120*120/150*150 |
Length | 6000mm-12000mm |
Standard | GB |
Applicaton | To produce bars or other applications |
Grade | Q195/Q235/Q275/3SP/5SP/20MnSi |
Packing terms | TT/LC |
Package | Mill's standard packing or as client's requirment |
Delivery time | Within 10-30 days after receiving the deposit or LC |
Chemical Composition steel billet
Standard | C(%) | 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 |
20MnSi | 0.17-0.25 | 1.2-1.6 | ≤ 0.050 | ≤ 0.050 | 0.40-0.80 |
3SP | 0.14-0.22 | 0.40-0.85 | ≤ 0.050 | ≤ 0.040 | 0.05-0.15 |
5SP | 0.28-0.37 | 0.50-1.00 | ≤ 0.050 | ≤ 0.040 | 0.15-0.30 |
- Q:What are the different types of surface finish defects found in steel billets?
- There are several types of surface finish defects that can be found in steel billets. These defects can occur during the manufacturing process or as a result of handling and transportation. Some common types of surface finish defects in steel billets include: 1. Scale: Scale is a type of oxide layer that forms on the surface of steel billets during the heating and rolling process. It appears as a rough, flaky layer that can vary in thickness. Scale can be removed through various surface cleaning methods. 2. Pitting: Pitting is the formation of small, localized depressions or craters on the surface of the steel billet. It can be caused by various factors such as corrosion, improper handling, or contamination during processing. Pitting can weaken the steel and compromise its integrity. 3. Scratches: Scratches are visible marks or lines on the surface of the steel billet. They can occur during handling, transportation, or processing. Scratches can be superficial or deep, depending on the severity. Deep scratches may require further inspection or surface treatment. 4. Roll marks: Roll marks are impressions or patterns left on the surface of the steel billet by the rolling process. These marks can be caused by improper alignment or wear and tear of the rolling equipment. Roll marks can affect the aesthetic appearance of the billet but generally do not impact its structural integrity. 5. Lamination: Lamination is the separation of layers or flakes within the steel billet. It can be caused by inadequate bonding during the manufacturing process or as a result of excessive rolling. Lamination can weaken the steel and compromise its performance. 6. Decarburization: Decarburization is the loss of carbon from the surface of the steel billet. It occurs when the billet is exposed to high temperatures or oxidizing environments. Decarburization can lead to reduced hardness and strength of the steel. 7. Surface irregularities: Surface irregularities refer to any distortion or unevenness on the surface of the steel billet. These can include dents, bulges, or uneven textures. Surface irregularities can be caused by various factors such as improper handling, machining, or defects in the manufacturing process. It is important to note that these surface finish defects can vary in severity and impact on the steel billet. Some defects may be cosmetic and have minimal effect on the performance of the steel, while others may require further inspection or treatment to ensure the structural integrity of the billet.
- Q:Billet heating furnace billet temperature reached, steel will be adhesion
- As soon as the melting point is reached, the part melts before sticking. But heating will swell a lot, you need to leave enough space.
- Q:How are steel billets used in the production of sheet metal?
- Steel billets are heated and then rolled into thin sheets to create sheet metal. This process involves passing the billets through a series of rollers, which gradually reduce their thickness. These sheets can then be further processed and shaped to create various products, such as car bodies, appliances, and construction materials.
- Q:What are the different types of steel billet rolling mill equipment?
- There are various types of steel billet rolling mill equipment, including pusher-type, continuous, and semi-continuous rolling mills. Each type is designed to handle different production capacities and provide different levels of automation and efficiency.
- Q:How are steel billets used in the shipbuilding industry?
- Steel billets are an integral component in the shipbuilding industry, primarily used for the construction of various parts and structures of ships. These billets serve as the raw material for manufacturing essential components such as hulls, frames, bulkheads, and other structural elements. Shipbuilding requires steel with exceptional strength, durability, and corrosion resistance, making steel billets an ideal choice due to their high-quality composition and properties. The billets are first shaped and formed into the desired dimensions, which can vary depending on the specific requirements of the ship's design. Once the steel billets are prepared, they are then used in various shipbuilding processes. One of the key applications is in the construction of the ship's hull, which is the external structure that provides the necessary strength and buoyancy. Steel billets are cut and welded together to form the hull's framework, ensuring the ship's structural integrity and stability. Additionally, steel billets are employed in manufacturing frames, bulkheads, and decks. Frames provide the structural support and rigidity to the ship's framework, while bulkheads divide the ship's internal space into separate compartments, enhancing safety and preventing water ingress in case of any damage. Decks, on the other hand, serve as the floors of different levels within the ship. Moreover, steel billets are used in the fabrication of various equipment and machinery installed on the ship. These include propulsion systems, cranes, winches, and other heavy-duty components that contribute to the ship's functionality and operational capabilities. Overall, steel billets play a crucial role in the shipbuilding industry as they form the foundation for constructing ships and their essential components. The high-quality steel and its versatility allow shipbuilders to create vessels that meet stringent safety standards, withstand harsh marine conditions, and ensure the longevity of the ships throughout their service life.
- Q:How are steel billets used in the manufacturing of hydraulic equipment?
- Steel billets are commonly used in the manufacturing of hydraulic equipment as they serve as the raw material for creating various components, such as cylinders, valves, and pistons. These billets are heated and then shaped through forging or extrusion processes to form the desired hydraulic equipment parts. The strength, durability, and versatility of steel make it a preferred material choice for hydraulic equipment, enabling it to withstand the high pressures and demanding working conditions in this industry.
- Q:How are steel billets used in the manufacturing of shipbuilding parts?
- The manufacturing of shipbuilding parts heavily relies on steel billets, which are vital in this process. These billets are essentially semi-finished steel products, usually in the form of rectangular or square bars, and are utilized as raw material for further processing in shipbuilding. To initiate the process, steel billets undergo rolling, where they pass through a series of rollers to decrease their cross-sectional area and increase their length. This rolling process converts the billets into elongated, slender sections of steel known as plates or sheets. These plates or sheets are then employed to fabricate diverse shipbuilding components, including hulls, decks, bulkheads, and superstructures. After the rolling process, the steel plates or sheets are cut into desired sizes and shapes using cutting machines or torches. These cut pieces are subsequently molded, bent, and welded together to form the necessary shipbuilding parts. For example, the steel plates can be bent and welded to create curved sections for the ship's hull, or they can be shaped into intricate forms for other components. Furthermore, steel billets are also utilized in the production of forged shipbuilding parts. In this scenario, the billets are heated to high temperatures and then subjected to intense pressure to reshape the steel. This forging process results in shipbuilding parts that are stronger and more durable, often used for critical components such as propeller shafts, crankshafts, and turbine blades. In conclusion, steel billets serve as the starting point in the manufacturing of shipbuilding parts. Through processes such as rolling, cutting, molding, and forging, these billets are transformed into plates, sheets, and forged components, all of which are crucial in constructing the various structural and functional elements of ships.
- Q:What are the potential applications of steel billets in the automotive industry?
- Due to their exceptional strength and durability, steel billets offer a wide range of potential applications in the automotive industry. One notable use is in the manufacturing of automotive components such as engine blocks, crankshafts, and transmission parts. These components necessitate a material that can endure high temperatures, heavy loads, and repetitive stress, which steel billets can provide. Another significant application is in the production of chassis and body panels. Steel billets are frequently employed to construct the structural framework of a vehicle, ensuring safety and stability by delivering the necessary strength and rigidity. Additionally, steel billets can be shaped and sized in various ways, permitting the customization of chassis components to meet the specific requirements of different vehicle models. Steel billets are also utilized in the production of suspension systems and steering mechanisms. These parts require a material capable of absorbing vibrations, damping shocks, and providing precise control. Steel billets possess these properties, making them an ideal choice for these essential automotive components. Furthermore, steel billets find applications in the production of exhaust systems due to their ability to withstand high temperatures and corrosive environments. The resistance of steel to rust and corrosion guarantees the longevity of the exhaust system, contributing to the overall performance and efficiency of the vehicle. In conclusion, the potential applications of steel billets in the automotive industry are extensive. From engine components to chassis parts, suspension systems to exhaust systems, steel billets offer the required strength, durability, and versatility to meet the demanding needs of the automotive sector.
- Q:How are steel billets used in the manufacturing of power transmission towers?
- Power transmission towers rely on steel billets as a vital element for their construction. These towers, which provide support for electrical power lines, demand a robust and lasting material capable of withstanding the weight and stress of the overhead cables. Steel billets, essentially semi-finished steel products, serve as the raw material for fabricating power transmission towers. Typically composed of high-quality steel with exceptional strength and structural properties, these billets undergo a specific temperature heating process called forging in a furnace. Once they reach the desired temperature, the billets are transferred to a rolling mill where they are shaped and molded into the necessary sections required for power transmission towers. Employing various rolling techniques, the heated steel billets are transformed into elongated, slim sections referred to as angles, channels, or I-beams. These sections are meticulously crafted to provide the required structural strength and load-bearing capacity essential for power transmission towers. After the formation of steel sections, they undergo further processes including cutting, drilling, and welding to create the tower's components such as legs, braces, cross arms, and other reinforcements integral to the tower's structure. The steel billets utilized in the manufacturing of power transmission towers are vital in guaranteeing the towers possess the necessary strength, stability, and durability. Steel's exceptional strength-to-weight ratio makes it an ideal material for bearing the weight of cables and resisting external forces such as wind and ice loads. Furthermore, steel's resilience and durability enable it to endure harsh environmental conditions, including extreme temperatures and corrosive elements. To conclude, steel billets are an essential material in the production of power transmission towers. Through a sequence of heating, rolling, and fabrication processes, these billets are converted into various structural sections and components that comprise the towers. The use of steel ensures that power transmission towers possess the needed strength, stability, and resilience to effectively support electrical power lines.
- Q:Can the production of continuous casting billet be damaged by using intermediate frequency electric furnace?
- If there are no other major facts of harm, it seems that there is no such mandatory legal provisions to bear criminal responsibility. Mandatory closing and fines at most.
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chrome alloy square mild steel billets prime billet steel for building
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 800000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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