Alloy steel billet square prime from china
- Ref Price:
-
- Loading Port:
- Guangzhou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 31264 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Specification
Size:
100mm to 165mm
Grade:
Q195/Q215/Q235/Q275
Steel billet
Steel billets have distinct characteristics as compared with already furnished steel bars and products.
Billets have a specific grain structure, which enables the metal to be processed more intricately. Steel
billets are also known for their malleability and ductility, especially when exposed to varying temperatures
during shaping and molding.
Qaulity:own factory, stable quality
Tolerance: Strictly according to the G/B and JIS standard
Delivery time: within 45 days after receiving the L/C or advanced T/T payment.
Price term: FOB/CIF/ CFR according to clients requirements
Payment terms: 100%Irrevercable L/C at sight or T/T
Gade:
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 |
Our service :
We have a plant and professional team to provide our best service, from the start of production until the
loading into the vessel, we have a complete quality follow up procedure, to assure our products arrives to the customer with satisfaction. Welcome new and old customers
to contact us for future business relationships! We will give you a surpise price.
Packing :
Within 30 days
1.Standard export package
2.In bundles with steel strips
3.As the requirements of the customers
FAQ:
Q: What is payment terms?
A: FOB 30% T/T IN ADVANCE AS DEPOSIT AND 70% T/T BEFORE SHIPMENT
CIF and CFR 30% T/T IN ADVANCE AS DEPOSIT AND 70% T/T AS THE COPY OF B/L OR L/C AT SIGHT
Q:How to guarantee the quality of the products?
A:We have established the international advanced quality management system,every link from raw material
to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market.
At the same time, we will provide necessary follow-up service assurance.
Q:How long can we receive the product after purchase?
A :In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.
The pecific time of receiving is related to the state and position of customers.
- Q:How does the composition of steel affect the properties of steel billets?
- The composition of steel plays a crucial role in determining the properties of steel billets. Steel is an alloy composed primarily of iron and carbon, along with small amounts of other elements such as manganese, silicon, and sulfur. The percentage of carbon and the presence of other alloying elements greatly influence the physical and mechanical properties of steel billets. One of the key properties affected by the composition of steel is its strength. Increasing the carbon content in steel enhances its strength, making it suitable for applications requiring high tensile strength, such as construction beams and automotive parts. Additionally, the presence of alloying elements like manganese and silicon can improve the strength and hardness of the steel. The composition of steel also affects its ductility and toughness. Ductility refers to the ability of steel to deform under tensile stress without fracturing, while toughness refers to its ability to withstand impact and resist fracture. Higher carbon content tends to reduce ductility and toughness, making the steel more brittle. Thus, for applications requiring good ductility and toughness, lower carbon content and the addition of alloying elements like nickel, chromium, and molybdenum are preferred. Corrosion resistance is another property influenced by the composition of steel. The addition of elements such as chromium and nickel can significantly enhance the steel's resistance to corrosion, making it suitable for applications in harsh environments or exposed to corrosive substances like seawater. Stainless steel, for example, contains a high percentage of chromium, which forms a protective oxide layer on the surface, preventing corrosion. The composition of steel also affects its machinability and weldability. Higher carbon content may result in reduced machinability due to increased hardness, while alloying elements like sulfur and phosphorus can improve machinability. Similarly, the presence of certain elements can affect the weldability of steel, as some elements may cause cracking or other defects during welding. In summary, the composition of steel billets has a significant impact on their properties. The percentage of carbon, along with the presence of other alloying elements, influences the strength, ductility, toughness, corrosion resistance, machinability, and weldability of steel. Therefore, careful consideration of the desired properties and appropriate selection of steel composition is essential in various industrial applications.
- Q:How is the quality of steel billets determined?
- The quality of steel billets is determined through a combination of physical and chemical tests. These tests are performed to ensure that the steel meets the required standards and specifications for its intended use. One of the primary methods to determine the quality of steel billets is through chemical analysis. This involves testing the composition of the steel to ensure it meets the desired levels of different elements such as carbon, manganese, silicon, and others. The chemical composition plays a crucial role in determining the strength, hardness, and other mechanical properties of the steel. In addition to the chemical analysis, various physical tests are conducted to assess the quality of steel billets. These tests include measuring the dimensions, weight, and straightness of the billets to ensure they meet the specified tolerances. Surface inspection is also performed to detect any defects, such as cracks, seams, or surface irregularities that could affect the performance of the steel. Mechanical tests are another crucial aspect of determining the quality of steel billets. These tests evaluate the mechanical properties of the steel, including its strength, ductility, toughness, and hardness. Tensile tests are commonly conducted to measure the maximum load a steel billet can withstand before breaking or deforming. Impact tests are also performed to assess the steel's ability to resist sudden shocks or impacts. Furthermore, non-destructive testing techniques are used to detect any internal defects or inconsistencies in the steel billets. These methods include ultrasonic testing, magnetic particle inspection, and radiographic testing. These tests help ensure that the steel is free from any hidden defects that could compromise its quality or structural integrity. Overall, the quality of steel billets is determined through a comprehensive evaluation that includes chemical analysis, physical tests, mechanical tests, and non-destructive testing. These methods ensure that the steel meets the required standards and specifications, providing assurance of its reliability and suitability for various applications.
- Q:Are steel billets magnetic?
- Indeed, steel billets possess magnetic qualities. As an alloy predominantly consisting of iron, steel constitutes a ferromagnetic substance, rendering it capable of magnetization. Consequently, steel exhibits magnetic properties. Given that steel billets are solid blocks or bars composed of steel, they retain the magnetic characteristics inherent to their constituent material.
- Q:What are the different types of cutting machines used for steel billets?
- There are several different types of cutting machines that are commonly used for cutting steel billets. These machines are designed to provide efficient and precise cuts, ensuring the desired dimensions and quality of the steel billets. 1. Bandsaw: Bandsaw machines are widely used for cutting steel billets. They feature a continuous loop of toothed metal blade that is guided around two or more wheels. The billet is fed into the machine and the blade cuts through the material with high precision. 2. Circular Saw: Circular saw machines use a circular metal blade with teeth to cut through the steel billets. They are commonly used for cutting large billets into smaller pieces. These machines can be operated manually or automatically, depending on the specific application. 3. Waterjet Cutting Machine: Waterjet cutting machines use a high-pressure stream of water mixed with abrasive materials to cut through steel billets. This method is known for its accuracy and versatility, as it can cut through various thicknesses and shapes with ease. 4. Plasma Cutting Machine: Plasma cutting machines utilize a plasma torch to cut through steel billets. The torch generates an electric arc, which is directed through a small nozzle that releases ionized gas. The heat from the arc melts the metal, while the gas blows away the molten material, resulting in a clean and precise cut. 5. Laser Cutting Machine: Laser cutting machines use a high-powered laser beam to cut through steel billets. The laser beam is focused on the material, melting or vaporizing it to create the desired cut. This method is known for its high precision and speed. 6. Shearing Machine: Shearing machines are commonly used for cutting steel billets into specific lengths or shapes. These machines use a blade or a pair of blades to apply a shearing force and cut through the material. They are often used in high-volume production settings. Each of these cutting machines has its own advantages and limitations, and the choice of machine depends on various factors such as the desired cut quality, speed, and the specific requirements of the steel billet cutting process.
- Q:Billet heating furnace billet temperature reached, steel will be adhesion
- There are a lot of billet heating furnace manufacturers, not just look at the price and go blind choice, billet heating furnace selection properly, will directly affect the day after work is carried out properly, choose cost-effective equipment is the first choice for users, recommended to look at the video consultation.
- Q:How do steel billets contribute to the marine industry?
- Steel billets are an essential component in the marine industry as they serve as the raw material for the manufacturing of various marine structures and equipment. These billets are used to produce ship hulls, propeller shafts, offshore platforms, and other critical components. The high strength and durability of steel make it ideal for withstanding the harsh conditions of the marine environment, ensuring the safety and reliability of marine vessels and structures. Additionally, steel billets can be easily shaped and welded, allowing for the construction of complex marine structures. Overall, steel billets play a crucial role in supporting the growth and development of the marine industry.
- Q:How are steel billets used in the production of automotive suspension components?
- Steel billets are used in the production of automotive suspension components by being heated and then shaped into the desired form, such as rods or bars, which are then further processed and machined to create various suspension parts like control arms, tie rods, and sway bars. The high strength and durability of steel billets make them ideal for withstanding the heavy loads and extreme conditions experienced by suspension components in vehicles.
- Q:What are the different types of steel billet inspection techniques?
- There are several different types of steel billet inspection techniques used in the industry. These techniques are employed to ensure the quality and integrity of the steel billets before they are further processed or used in manufacturing processes. Some of the commonly used inspection techniques include: 1. Visual Inspection: This is the most basic and commonly used technique where inspectors visually examine the steel billets for any surface defects, such as cracks, pits, or deformities. It is a quick and effective method for detecting obvious visual defects. 2. Dimensional Inspection: In this technique, the dimensions of the steel billet are measured using various tools, such as Vernier calipers or micrometers. This helps ensure that the billets meet the required dimensional specifications. 3. Ultrasonic Testing: Ultrasonic testing involves the use of high-frequency sound waves to detect internal defects or inconsistencies in the steel billets. This technique can identify defects like cracks, voids, or inclusions that may not be visible to the naked eye. 4. Magnetic Particle Inspection: This technique involves the application of magnetic fields to the steel billets and the use of iron particles or magnetic ink to identify surface and near-surface defects. It is particularly effective in detecting defects like cracks or discontinuities. 5. Eddy Current Testing: Eddy current testing utilizes electromagnetic induction to detect surface defects and measure the conductivity or thickness of the steel billets. It is a non-destructive technique that can identify defects like cracks, corrosion, or variations in material thickness. 6. Radiographic Testing: This technique involves the use of X-rays or gamma rays to inspect the internal structure of the steel billets. It can detect defects like inclusions, voids, or improper internal structure. 7. Dye Penetrant Inspection: Dye penetrant inspection is used to detect surface defects by applying a dye or fluorescent liquid to the steel billets. The dye seeps into any cracks or discontinuities, and excess dye is then wiped off, leaving only the dye trapped in the defects, which can be easily identified under UV light. These are some of the commonly used steel billet inspection techniques. Each technique has its own advantages and limitations, and the choice of technique depends on various factors such as the type and size of the billets, the level of defect detection required, and the budget constraints.
- Q:What are the different types of coating processes used for protecting steel billets?
- Steel billets can be protected using various coating processes. These processes serve the purpose of preventing corrosion and enhancing the durability of the steel billets. Some commonly employed coating methods are as follows: 1. Hot-dip galvanizing: In this technique, the steel billets are immersed in molten zinc, creating a safeguarding layer on the surface. This zinc layer ensures long-lasting protection against corrosion. 2. Electroplating: By using an electric current, a thin layer of metals like zinc, nickel, or chrome is deposited onto the steel billets. This metal coating acts as a barrier against corrosion while improving the appearance of the steel. 3. Powder coating: A dry powder is applied to the steel billets and then heated, resulting in the formation of a protective layer. This process offers exceptional resistance against corrosion, chemicals, and UV rays. 4. Thermal spray coating: This method involves spraying melted or heated materials onto the steel billets. The coating materials can include metal alloys, ceramics, or polymers. Thermal spray coatings provide excellent wear resistance, corrosion protection, and thermal insulation. 5. Paint coating: Applying paint onto the steel billets is a popular protective measure. The paint acts as a barrier, preventing moisture and atmospheric elements from causing corrosion while maintaining the steel's appearance. Each coating process has its own advantages and is suitable for different applications. The choice of coating method depends on factors such as the desired level of protection, environmental conditions, and cost considerations.
- Q:What is the role of steel billets in the shipbuilding industry?
- Steel billets play a crucial role in the shipbuilding industry as they are the primary raw material used to construct the structural components of ships. These billets, which are essentially semi-finished steel products, are produced by continuously casting molten steel into rectangular shapes that can be further processed and shaped into various shipbuilding components. One of the main advantages of using steel billets in shipbuilding is their high strength and durability. Ships are subjected to intense stress and harsh conditions, including waves, corrosion, and extreme temperatures. Steel billets provide the necessary strength and rigidity required to withstand these conditions, ensuring the structural integrity and longevity of the vessel. Moreover, steel billets offer excellent weldability, which is essential for shipbuilding. As ships consist of numerous welded joints, the ability to weld steel billets easily and reliably is crucial in achieving a strong and reliable structure. The weldability of steel billets allows for efficient and cost-effective construction methods, reducing both time and labor required for shipbuilding. Additionally, steel billets provide versatility in ship design. They can be easily shaped and fabricated into various forms and sizes, allowing shipbuilders to create complex and intricate structures that optimize space utilization and enhance functionality. This flexibility in design enables the construction of diverse types of ships, ranging from cargo vessels and tankers to cruise ships and naval vessels. Furthermore, steel billets also possess excellent resistance to corrosion, which is vital for ships that constantly operate in corrosive marine environments. The high-quality steel used in billets offers protection against rust and deterioration caused by seawater, ensuring the longevity and safety of the vessel. In summary, steel billets play a fundamental role in the shipbuilding industry by providing the necessary strength, weldability, versatility, and corrosion resistance required for constructing durable and seaworthy ships. Their use as the primary raw material allows shipbuilders to create reliable and efficient vessels capable of withstanding the challenging conditions of the maritime environment.
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Alloy steel billet square prime from china
- Ref Price:
-
- Loading Port:
- Guangzhou
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1000 m.t.
- Supply Capability:
- 31264 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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