Special Steel Flat Bar For Automobile Use
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 5000 m.t./month
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Commodity: Carbon Steel Flat Bar
Standard: GB, JIS, ASTM,
Material: Q235, SS400 or Equivalent
Origin place: China
Thickness: 3mm-30mm
Width:20mm-200mm
Length: Max 12m
Certification: SGS/BV
Chemical composition
Alloy No | Grade | Element(%) | ||||
C | Mn | S | P | Si | ||
Q235 | B | 0.12—0.20 | 0.3—0.7 | ≤0.045 | ≤0.045 | ≤0.3 |
Physical properties
Alloy No | Grade | Yielding strength point(Mpa) | Tensile strength (Mpa) | Elongation after fracture(%) | ||||||
Thickness (mm) | Thickness (mm) | |||||||||
≤16 | ＞16--40 | ＞40--60 | ＞60--100 | ≤16 | ＞16--40 | ＞40--60 | ＞60--100 | |||
≥ | ≥ | |||||||||
Q235 | B | 235 | 225 | 215 | 205 | 375--500 | 26 | 25 | 24 | 23 |
Usage/Applications of Flat Bar
Widely used for construction;
Machinery manufacturing;
Iron tower steel structure;
Shipbuilding; Steel grating;
Staircase;
Bridge;
Viaduct;
Railway spare parts;
Boilers making etc.
Packaging & Delivery
Packaging Details: The Steel Flat Bars are packed in bundles and loaded in 20 feet/40 feet container, or shipped by bulk cargo ,also we can do as customer's requirements.
Delivery Details:30~45 days upon the receipt of buyer payment by T.T. or L/C.
Production Flow
The Carbon Steel Flat Bar is made through three processes:
1.Feeding the material: Feeding the row material (the steel plate) to Slitting Line.
2.Slitting:The steel plate would be slitted into expected width by lengthways cutter.
3. Leveled and cutting: The plat bar would be ground into level by the grinder and then cut into required length.
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
Q4: What makes stainless steel stainless?
A4: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
- Q: What are the different types of surface defects that can occur in steel flat bars?
- There are several different types of surface defects that can occur in steel flat bars. These defects can affect the appearance, quality, and performance of the bars. Some common types of surface defects in steel flat bars include: 1. Scale: Scale refers to the oxide layer that forms on the surface of the steel during the manufacturing process. It appears as a rough and flaky coating and can affect the surface finish and paint adhesion. 2. Pitting: Pitting is the formation of small depressions or craters on the surface of the steel. It is usually caused by localized corrosion or exposure to aggressive environments. Pitting can weaken the material and reduce its resistance to further corrosion. 3. Scratches: Scratches are superficial marks or grooves on the surface of the steel flat bars. They can occur during handling, transportation, or processing. Scratches can affect the aesthetic appearance of the bars and may also serve as initiation points for corrosion. 4. Roll marks: Roll marks are irregular patterns or lines that are formed on the surface of the steel flat bars during the rolling process. They are caused by imperfections in the rolling mill or inadequate lubrication. Roll marks can affect the visual appeal of the bars and may also reduce their fatigue strength. 5. Slivers: Slivers are thin strips or flakes of steel that are partially or completely detached from the surface of the flat bar. They can occur due to improper shearing or cutting processes. Slivers can cause safety hazards, hinder further processing, and weaken the structural integrity of the bars. 6. Inclusions: Inclusions are non-metallic impurities or foreign particles that are trapped within the steel during the manufacturing process. They can appear as dark spots, streaks, or irregular shapes on the surface of the flat bars. Inclusions can reduce the material's strength, ductility, and resistance to cracking. 7. Decarburization: Decarburization is the loss or reduction of carbon content in the surface layer of the steel. It is often caused by exposure to high temperatures during heat treatment or improper cooling methods. Decarburization can lead to reduced hardness, strength, and wear resistance in the affected areas. 8. Lamination: Lamination refers to the separation or delamination of layers within the steel flat bar. It can occur due to inadequate bonding during the manufacturing process or the presence of impurities. Lamination can weaken the material and lead to premature failure under load. It is important to address and minimize these surface defects in steel flat bars to ensure the desired quality, performance, and longevity of the bars in various applications.
- Q: Can steel flat bars be used for construction projects?
- Yes, steel flat bars can be used for construction projects. Steel flat bars are versatile and widely used in the construction industry due to their strength and durability. They are commonly used for various applications such as supports, braces, frames, and structural components in buildings, bridges, and infrastructure projects. Steel flat bars provide reliable structural support and are known for their high load-bearing capacity, making them ideal for construction purposes. Additionally, their uniform shape and size make them easy to work with, allowing for efficient installation and fabrication. Overall, steel flat bars are a popular choice in construction due to their strength, durability, and versatility.
- Q: What are the different types of surface treatments available for steel flat bars?
- Steel flat bars have a variety of surface treatments available, each with its own unique benefits and characteristics. Some commonly used treatments include: 1. Hot-dip galvanizing: By immersing the steel flat bar in molten zinc, a protective layer is formed to prevent rust and corrosion. This treatment offers excellent durability and resistance to atmospheric conditions. 2. Powder coating: This method involves applying a powdered polymer coating to the surface of the steel flat bar. The powder is charged with electricity and then cured under heat, resulting in a tough and durable finish. Powder coating provides excellent resistance to impact, chemicals, and abrasion, and offers a wide range of colors and finishes. 3. Electroplating: Electroplating deposits a thin layer of metal onto the steel flat bar through an electrochemical process. The choice of metal, such as chromium, nickel, or zinc, depends on the desired properties. Electroplating enhances the appearance, corrosion resistance, and wear resistance of the steel. 4. Paint coating: Applying a paint coating to the steel flat bar is a commonly used surface treatment. This can be done through methods like spray painting or roller coating. Paint coatings not only provide a decorative finish but also protect against corrosion and environmental factors. 5. Anodizing: Although primarily used for aluminum, anodizing can also be applied to steel. This process involves creating a controlled oxidization layer on the metal's surface, enhancing corrosion resistance and providing an attractive finish. Anodizing can be done in various colors and offers excellent durability. 6. Phosphating: Phosphating treats the steel flat bar with a phosphate coating, typically by immersing it in a solution containing phosphoric acid and other chemicals. This creates a thin, crystalline layer that improves corrosion resistance and enhances the adhesion of subsequent coatings or paints. These examples represent just a few of the surface treatments available for steel flat bars. The choice of treatment depends on factors such as desired appearance, environmental conditions, and specific functional requirements.
- Q: How do steel flat bars contribute to the overall stability of structures?
- Steel flat bars contribute to the overall stability of structures in several ways. Firstly, they provide structural support and reinforcement, helping to distribute and transfer loads. Due to their flat shape, they can be easily attached to other structural components such as beams and columns, increasing the overall strength and stability of the structure. Furthermore, steel flat bars offer high tensile strength, making them resistant to bending and breaking under heavy loads or external forces. This strength allows them to effectively resist deformation and maintain the structural integrity of the building. Steel flat bars also play a crucial role in preventing lateral movement and buckling. By being strategically placed and connected to other structural elements, they help to resist horizontal forces such as wind or seismic loads, ensuring the stability and safety of the structure during extreme events. Moreover, steel flat bars can be used as bracing elements, providing additional stiffness to the structure. By installing them diagonally or horizontally, they enhance the overall rigidity of the building, reducing the potential for excessive deflection or sway. Additionally, steel flat bars have excellent durability and corrosion resistance properties. This ensures that they can withstand harsh environmental conditions, including moisture and temperature fluctuations, without compromising their strength or stability. Their longevity contributes to the overall stability and longevity of the structure. In summary, steel flat bars contribute to the overall stability of structures by providing structural support, distributing and transferring loads, resisting deformation and lateral movement, enhancing rigidity, and offering durability and corrosion resistance. Their versatile and robust nature makes them an essential component in various construction applications, ensuring the safety and stability of buildings and infrastructure.
- Q: Are steel flat bars prone to warping or twisting?
- Warping or twisting is uncommon in steel flat bars due to their inherent strength and structural integrity. Steel is widely recognized for its reliability in various applications. However, it is worth noting that if steel flat bars are exposed to excessive heat or extreme environmental conditions, they may become susceptible to warping or twisting. To avoid potential deformation, it is recommended to employ proper handling and storage techniques. Furthermore, the resistance of steel flat bars to warping or twisting can be influenced by their quality and manufacturing process. When precision and strict quality control measures are applied, high-quality steel flat bars are unlikely to encounter significant warping or twisting issues.
- Q: Can steel flat bars be hardened?
- Indeed, it is possible to harden steel flat bars by means of a technique known as heat treatment. Heat treatment entails subjecting the steel to a precise temperature and subsequently rapidly cooling it, typically in water or oil. This procedure modifies the steel's microstructure, granting it enhanced strength and hardness. The appropriate temperature and cooling approach employed will vary depending on the steel's composition and the desired level of hardness. Hardened steel flat bars find widespread application in numerous sectors, including construction, manufacturing, and automotive, wherein exceptional strength and durability are indispensable.
- Q: Can steel flat bars be welded or joined together?
- Steel flat bars can indeed be welded or joined together. The process of welding is widely employed to join metal components, including steel flat bars. During welding, the edges of the steel bars are melted and fused together using a welding filler material. This results in a robust and long-lasting bond between the flat bars. However, it is crucial to verify that the steel flat bars being welded possess the same or similar composition to avoid any complications with the quality of the weld. Moreover, employing appropriate welding techniques and equipment is essential to attain a weld of superior quality and guarantee the structural soundness of the joined steel flat bars.
- Q: Round bar, flat steel, not reinforced
- Round steel: 5.5-25 mm small round bars are mostly supplied by straight strips. They are commonly used as reinforcing bars, bolts and various mechanical parts. They are more than 25 millimeters of round steel. They are mainly used in the manufacture of mechanical parts or as seamless steel tube billets.
- Q: What are the different methods of surface etching for steel flat bars?
- Steel flat bars can be etched using various methods, each with its own advantages and applications. Here are some commonly used techniques: 1. Chemical Etching: By selectively removing the surface layer with chemical solutions or acids, this method allows for precise depth and pattern control. It is versatile, capable of creating intricate designs, logos, or text on the flat bar. 2. Electrochemical Etching: Also known as electrolytic etching, this method dissolves the surface layer using an electric current. A stencil or mask guides the process, making it ideal for permanent markings like part numbers or identification codes. 3. Laser Etching: Utilizing a high-powered laser without direct contact, this method ensures precise control and high-resolution patterns. It is frequently employed in industries that demand precision and permanence, like aerospace or medical equipment manufacturing. 4. Sandblasting: By propelling abrasive particles at high speed onto the flat bar's surface, sandblasting creates a textured or roughened finish. It is commonly used to enhance coating adhesion, create decorative finishes, or prevent slips. 5. Mechanical Etching: This technique physically removes the surface layer using mechanical means, such as milling, grinding, or polishing. It is often used to achieve specific finishes or textures for architectural or interior design purposes. Each method offers unique benefits, and the choice depends on the specific requirements of the application. Factors such as cost, precision, speed, and desired outcome should be considered when selecting the appropriate surface etching method.
- Q: Are steel flat bars used in the manufacturing of appliances?
- Yes, steel flat bars are commonly used in the manufacturing of appliances. Steel is a durable and strong material that offers excellent structural integrity, making it ideal for appliances that require stability and support. Steel flat bars are often used in the construction of appliance frames, brackets, and structural components. They provide a solid foundation for various appliance parts and help ensure the longevity and reliability of the finished product. Additionally, steel flat bars can be easily shaped and welded, allowing manufacturers to create customized designs and configurations to suit specific appliance requirements.
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Special Steel Flat Bar For Automobile Use
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 5000 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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