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 quality standards for steel billets?
- Steel billets undergo assessment based on various quality standards to determine their overall quality and suitability for different purposes. Notable quality standards include: 1. ASTM A615/A615M: This standard outlines the criteria for deformed and plain carbon-steel bars used in concrete reinforcement. It encompasses billets utilized in the production of reinforcing bars, focusing on their specific mechanical properties and dimensional tolerances. 2. ASTM A706/A706M: This standard specifies the requirements for low-alloy steel utilized in the production of reinforcing bars. It details the chemical composition, mechanical properties, and dimensional tolerances of the billets. 3. EN 10025-2: A European standard that stipulates the requirements for non-alloy structural steels. It covers billets used in the production of various structural elements, including beams, columns, and plates. The standard defines the chemical composition, mechanical properties, and technical delivery conditions of the steel billets. 4. JIS G3112: A Japanese industrial standard that addresses steel bars employed in concrete reinforcement. It outlines the chemical composition, mechanical properties, and tolerances for billets used in the production of reinforcing bars. 5. GB/T 699: A Chinese standard that establishes the quality requirements for carbon structural steels. It defines the chemical composition, mechanical properties, and technical delivery conditions of steel billets used in diverse structural applications. These quality standards guarantee that steel billets meet specific criteria concerning strength, durability, and dimensional accuracy. By adhering to these standards, one ensures that the steel billets are of superior quality and suitable for their intended use in construction, manufacturing, and reinforcement applications.
- Q:What are the different types of cutting processes used for shaping steel billets?
- There are several different types of cutting processes used for shaping steel billets. These processes include: 1. Bandsaw cutting: Bandsaw cutting is a widely used method for cutting steel billets. It involves using a continuous band of toothed metal blade to cut through the billet. Bandsaws are known for their ability to cut through thick sections of steel quickly and accurately. 2. Abrasive cutting: Abrasive cutting involves using an abrasive wheel or disc to cut through the steel billet. This method is commonly used for cutting smaller billets or for cutting shapes and contours into the billet. Abrasive cutting is known for its versatility and ability to produce smooth and precise cuts. 3. Plasma cutting: Plasma cutting is a thermal cutting process that uses a high-velocity jet of ionized gas to melt and remove the steel from the billet. This method is often used for cutting thick sections of steel or for cutting intricate shapes. Plasma cutting is known for its speed and ability to produce clean cuts. 4. Waterjet cutting: Waterjet cutting is a process that uses a high-pressure jet of water to cut through the steel billet. In some cases, abrasive particles may be added to the water to enhance the cutting ability. Waterjet cutting is known for its ability to cut through thick sections of steel without creating heat-affected zones or distortion. 5. Laser cutting: Laser cutting involves using a high-powered laser beam to melt and vaporize the steel billet. The laser beam is guided by computer controls to cut the desired shape. Laser cutting is known for its precision and ability to cut intricate shapes with minimal distortion. These are just a few examples of the different types of cutting processes used for shaping steel billets. Each process has its own advantages and is chosen based on factors such as the size of the billet, the desired shape, and the required accuracy.
- Q:What are the different types of steel billet packaging materials?
- Some of the different types of steel billet packaging materials include wooden crates, steel drums, plastic wrapping, and cardboard boxes.
- Q:What are the different heat treatment processes for alloy steel billets?
- There are several different heat treatment processes that can be used for alloy steel billets, depending on the desired properties and intended application of the material. Some of the most common heat treatment processes for alloy steel billets include: 1. Annealing: This process involves heating the billets to a specific temperature and then slowly cooling them, usually in a furnace. Annealing helps to relieve internal stresses and improve the machinability of the alloy steel. 2. Normalizing: Normalizing is similar to annealing, but the cooling process is done in still air instead of a furnace. This process helps to refine the grain structure of the alloy steel and improve its mechanical properties, such as strength and hardness. 3. Quenching and tempering: Quenching involves rapidly cooling the heated alloy steel in a liquid medium, such as oil or water, to achieve high hardness and strength. After quenching, the billets are then tempered by reheating them to a lower temperature, which helps to reduce the brittleness and improve toughness. 4. Precipitation hardening: This process is commonly used for alloy steels that contain elements such as aluminum, copper, or titanium. Precipitation hardening involves a series of heat treatments that cause the alloying elements to form fine particles within the steel, resulting in improved strength and hardness. 5. Case hardening: Case hardening is a surface heat treatment process that is used to increase the hardness of the outer layer of the alloy steel billets. This is achieved by heating the billets in the presence of a carbon-rich atmosphere or by applying a carbon-rich compound to the surface, followed by quenching and tempering. These are just a few of the many heat treatment processes that can be used for alloy steel billets. The specific process chosen will depend on factors such as the alloy composition, desired properties, and intended application of the material. It is important to carefully consider these factors and consult with heat treatment experts to ensure the desired results are achieved.
- Q:How do steel billets contribute to the overall cost-effectiveness of a project?
- Steel billets contribute to the overall cost-effectiveness of a project in several ways. Firstly, steel billets are the starting material for various steel products, such as beams, bars, and sheets. By using steel billets, manufacturers can produce these products in a cost-effective manner, as billets are usually cheaper than finished steel products. Moreover, steel billets allow for efficient use of resources. They can be easily melted down and molded into different shapes and sizes, minimizing waste during the production process. This flexibility reduces the amount of raw material required, leading to cost savings. Furthermore, steel billets have excellent strength and durability properties. By using steel billets in construction projects, engineers can ensure that the structures are sturdy and long-lasting. This helps to reduce maintenance and repair costs over time, making the project more cost-effective in the long run. Additionally, steel billets are readily available in the market, making them a cost-effective choice for projects with tight timelines. Manufacturers can easily source steel billets from various suppliers, ensuring a steady supply of material for the project. Lastly, steel billets contribute to cost-effectiveness through their recyclability. Steel is one of the most recycled materials globally, and using recycled steel billets can significantly reduce the cost of production. Recycling steel billets also helps to minimize the environmental impact of a project, making it a more sustainable and cost-effective option. Overall, steel billets play a vital role in the cost-effectiveness of a project by providing a cost-effective starting material, minimizing waste, ensuring durability, offering availability, and promoting recycling.
- Q:How are steel billets used in the manufacturing of consumer goods?
- Steel billets are an essential component in the manufacturing of various consumer goods. These billets are semi-finished steel products that are typically hot-rolled into various shapes, such as bars, rods, or sheets before they are used in the production process. One way steel billets are used in the manufacturing of consumer goods is in the production of automobiles. They are often transformed into different parts of a car's body, such as doors, fenders, or hoods. The strength and durability of steel make it an ideal material for these components, ensuring the safety and longevity of the vehicle. Another significant application of steel billets is in the construction industry. They are commonly used to produce beams, columns, and other structural elements that are crucial for building infrastructure like bridges, buildings, and stadiums. Steel's high tensile strength and ability to withstand heavy loads make it an ideal material for these applications. Steel billets also play a vital role in the manufacturing of appliances and household goods. For instance, they are used to produce refrigerators, washing machines, and ovens, where steel's resistance to corrosion and heat is highly valued. Additionally, steel billets are utilized in the production of furniture, tools, and kitchenware, providing strength and stability to these consumer goods. In the production of consumer goods, steel billets are typically subjected to various processes such as cutting, welding, and shaping to achieve the desired final product. These billets serve as the raw material that undergoes further manufacturing steps, including machining, forging, or casting, to create the specific components or parts needed. Overall, steel billets are an integral part of the manufacturing process for a wide range of consumer goods. The versatility, strength, and durability of steel make it a preferred material in industries such as automotive, construction, appliances, and furniture.
- Q:How are steel billets rolled into rails?
- Steel billets are rolled into rails through a process called hot rolling. In this process, the steel billets are heated to high temperatures and then passed through a series of rolling mills. As the billets are rolled, they are gradually shaped into the desired rail profile. This process ensures that the steel retains its strength and durability, making it suitable for use as railway tracks.
- Q:What are the common defects found in steel billets?
- Steel billets can exhibit various defects, both from the manufacturing process and external factors. One such defect is surface cracks, which can arise from inadequate cooling, handling, or excessive stress during rolling or forming. These cracks can weaken the billet and compromise its strength and integrity. Internal voids or inclusions are another common defect, caused by impurities or foreign particles in the steel. These voids create weak points in the billet, potentially leading to structural failures or diminished mechanical properties. Misalignment or misshaping is a defect that occurs during cooling or forming, resulting in uneven thickness or dimensions. This flaw adversely impacts the billet's performance and suitability for its intended application. Furthermore, excessive segregation of alloying elements can lead to uneven property distribution within the billet. This inconsistency hampers the mechanical properties and overall quality. Lastly, surface defects like scale, pitting, or imperfections can manifest due to improper handling, storage, or exposure to harsh environments. Though these defects may not affect the billet's structural integrity, they do impact the surface finish and aesthetics of the final product. To ensure the production of high-quality and reliable steel products, it is crucial to identify and address these common defects in steel billets. Regular inspections, quality control measures, and appropriate handling and storage techniques play vital roles in minimizing and preventing these defects.
- Q:How are steel billets used in the manufacturing of storage tanks?
- Steel billets are used in the manufacturing of storage tanks as the primary raw material. These billets are heated and shaped into the desired form, typically through processes like rolling or extrusion. They provide the necessary strength and durability required for storage tanks to safely contain and store various liquids or gases.
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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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