Galvanized Steel Flat Bar

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: -

Supply Capability:: 10000 m.t./month

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Specification of Carbon Steel Flat Bar

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 of Q235

Alloy No

Grade

Element(%)

Q235

0.12—0.20

0.3—0.7

≤0.045

≤0.3

Physical properties of Q235

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 Carbon Steel 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 of Carbon Steel Flat Bar

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 of Carbon Steel Flat Bar

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.

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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.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: What makes stainless steel stainless?

A3: 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.

Galvanized Steel Flat Bar

Q: What is the typical price range for steel flat bars?: The typical price range for steel flat bars can vary depending on factors such as size, thickness, and the current market conditions. However, as a general guideline, the price range for steel flat bars can range from around $10 to $50 per foot.

Q: How is a steel flat bar different from other types of steel bars?: A steel flat bar is different from other types of steel bars primarily due to its shape and dimensions. Unlike round or square steel bars, a flat bar has a rectangular cross-section with straight and flat edges. This unique shape makes it ideal for various applications where a flat, even surface is required. Additionally, the dimensions of a steel flat bar are generally wider and thicker compared to other types of bars. This provides enhanced strength, stability, and durability, making it suitable for heavy-duty applications. The wider surface area also allows for better load distribution and increased rigidity, making it a versatile choice for structural support. Moreover, the flat shape of the bar allows for easy and precise fabrication, welding, and machining. This makes it a popular choice for construction, manufacturing, and engineering purposes. It can be easily cut, shaped, and manipulated to fit specific requirements, making it a valuable material in various industries. Overall, the key differences between a steel flat bar and other types of steel bars lie in its shape, dimensions, and versatility. The flat profile, wider surface area, and thicker dimensions give it unique properties, making it a preferred choice for many applications.

Q: How do steel flat bars perform under extreme temperatures?: Under extreme temperatures, steel flat bars typically demonstrate excellent performance. Steel is renowned for its remarkable strength and durability, enabling it to withstand a wide spectrum of temperatures. When subjected to high temperatures, steel flat bars maintain their structural integrity and strength, rendering them suitable for diverse applications in industries such as construction, manufacturing, and automotive. When exposed to intense heat, steel flat bars may experience thermal expansion, which is an inherent characteristic of metal materials. As the temperature rises, steel expands, and as it cools, it contracts. This expansion and contraction can be accounted for during the design and installation process to guarantee the proper fit and functionality. Furthermore, steel boasts a high melting point, usually around 1370°C (2500°F). Consequently, steel flat bars can endure extremely high temperatures without losing their shape or structural integrity. Nevertheless, it is crucial to note that prolonged exposure to elevated temperatures may diminish strength and potentially lead to deformation or warping. Therefore, it is vital to consider the specific application and temperature requirements when selecting steel flat bars for utilization in extreme temperature conditions. In frigid temperatures, steel flat bars also exhibit commendable performance. Steel retains its ductility and does not become brittle until exceedingly low temperatures, typically below -40°C (-40°F). This quality makes steel flat bars suitable for implementation in cold climates or freezing environments. In conclusion, steel flat bars generally exhibit excellent performance under extreme temperatures while retaining their strength and durability. However, it is imperative to consider the precise temperature range and application requirements to ensure optimal performance and longevity of steel flat bars.

Q: Can steel flat bars be galvanized?: Indeed, steel flat bars have the capability to undergo galvanization. Galvanization, a technique employed to shield steel against rusting and corrosion, involves the application of a safeguarding zinc coating. This procedure is typically executed by either immersing the steel in a bath of molten zinc or through electroplating. The act of galvanizing steel flat bars aids in augmenting their sturdiness and longevity, particularly when utilized in outdoor or corrosive settings.

Q: How do steel flat bars compare to wood for certain applications?: Steel flat bars have several advantages over wood for certain applications. Firstly, steel is much stronger and more durable than wood, making it ideal for heavy-duty applications where strength is crucial. Steel flat bars can withstand much higher loads and pressures compared to wooden bars, making them suitable for structural support in construction projects. Additionally, steel flat bars are not susceptible to rot, decay, or pest infestations, which are common issues with wood. This makes steel a more reliable and long-lasting material, particularly in outdoor or moist environments. Steel is also fire-resistant, unlike wood, which can be a critical factor in applications where fire safety is a concern. Another advantage of steel flat bars is their consistent and uniform dimensions. Unlike wood, which can vary in size and shape due to natural defects, steel flat bars are manufactured to precise specifications and have consistent dimensions throughout. This makes them easier to work with and ensures a more accurate and precise fit in applications such as construction or fabrication. Furthermore, steel flat bars can be easily recycled, making them a more sustainable choice compared to wood. Steel is a highly recyclable material, and using steel flat bars instead of wood can contribute to reducing deforestation and environmental impact. However, it's worth noting that wood also has its advantages in certain applications. Wood is a natural material that provides a warm and aesthetically pleasing appearance, which may be desirable in some architectural or interior design projects. Wood can also be easier to work with and can offer more flexibility in terms of shaping or customization. In conclusion, steel flat bars outperform wood in terms of strength, durability, resistance to rot and pests, fire safety, and consistency of dimensions. However, the choice between steel and wood ultimately depends on the specific requirements and aesthetics of the application at hand.

Q: How do steel flat bars compare to stone flat bars?: Steel flat bars and stone flat bars have distinct differences in terms of material composition, physical properties, and applications. Steel flat bars are made from alloyed steel, offering high strength, durability, and corrosion resistance. They are versatile and widely used in construction, manufacturing, and engineering projects due to their excellent load-bearing capabilities and ability to withstand extreme conditions. On the other hand, stone flat bars are typically made from natural or engineered stone materials, which provide a unique aesthetic appeal and can be used in decorative applications. However, stone flat bars may have limitations in terms of strength and flexibility compared to steel flat bars. Therefore, the choice between steel and stone flat bars depends on the specific purpose and desired characteristics required for the intended use.

Q: Are steel flat bars suitable for making defense industry equipment or vehicles?: Yes, steel flat bars are suitable for making defense industry equipment or vehicles. Steel is known for its exceptional strength and durability, making it an ideal material for constructing robust and reliable military equipment. Steel flat bars can be used to fabricate various components, such as armor plates, frames, chassis, and structural supports, which are essential for defense industry equipment and vehicles. Additionally, steel's versatility allows for customization, enabling manufacturers to meet specific requirements and ensure the desired level of protection and performance.

Q: How is a steel flat bar made?: A steel flat bar is typically made through a process called hot rolling. The process begins with heating a large steel billet or slab to a high temperature, typically around 1200 to 1300 degrees Celsius. The heated billet is then passed through a series of rolling mills, where it is gradually flattened and shaped into a long, thin strip known as a flat bar. In each rolling mill, the steel billet is passed through a pair of rotating rolls, which exert pressure on the billet and gradually reduce its thickness. The billet is rolled multiple times, with the gap between the rolls getting smaller with each pass. This continuous rolling process helps to refine the grain structure of the steel, improving its strength and durability. After the desired thickness is achieved, the flat bar may undergo additional processes such as cooling, straightening, and cutting to the required length. Cooling is typically done using air or water to rapidly cool the steel and lock in its desired properties. Straightening helps to remove any bends or twists that may have occurred during the rolling process, ensuring a uniform flat shape. Once the flat bar is cooled and straightened, it is cut into individual lengths using shearing or sawing machines. These lengths can then be further processed or used as is for various applications. Overall, the production of a steel flat bar involves heating a steel billet, hot rolling it through a series of rolling mills to achieve the desired thickness, cooling, straightening, and finally cutting it into individual lengths. This process results in a versatile and widely used product that finds applications in industries such as construction, manufacturing, and automotive.

Q: What are the different types of steel used in manufacturing flat bars?: Various types of steel are commonly utilized in the production of flat bars. Among the most frequently employed variants are: 1. Mild Steel: This particular steel type is extensively utilized in the manufacturing of flat bars. It is a low carbon steel that is reasonably priced and easy to manipulate. Mild steel flat bars possess commendable weldability and find wide application in construction, fabrication, and general manufacturing sectors. 2. Stainless Steel: Flat bars made from stainless steel consist of an alloy of chromium and steel, which offers exceptional resistance against corrosion. This kind of steel is frequently employed in industries such as food processing, chemicals, and medicine, where hygiene and corrosion resistance are of utmost importance. 3. Tool Steel: Tool steel flat bars are commonly employed in the production of cutting tools, dies, and molds. They possess remarkable hardness, wear resistance, and toughness, rendering them suitable for applications that necessitate high strength and durability. 4. Alloy Steel: The production of alloy steel flat bars involves the addition of supplementary elements like manganese, chromium, or nickel to enhance their mechanical properties. These bars are commonly used in sectors such as automotive, aerospace, and machinery, where high strength and toughness are prerequisites. 5. Carbon Steel: Carbon steel flat bars are crafted from a combination of iron and carbon, typically containing a carbon content ranging from 0.05% to 2.1%. These versatile bars find widespread use in various manufacturing applications owing to their exceptional strength and affordability. It is essential to note that the aforementioned examples represent only a fraction of the steel types employed in the production of flat bars. Each variant possesses its own unique properties and advantages, and the selection of steel is contingent upon the specific requirements of the application.

Q: Can steel flat bars be used in high-temperature environments?: Yes, steel flat bars can be used in high-temperature environments, but the specific type of steel used will determine its suitability. Stainless steel flat bars, for example, are often used in high-temperature applications due to their ability to resist corrosion and maintain their strength at elevated temperatures. Certain grades of stainless steel, such as 304 and 316, can withstand temperatures up to 870°C (1600°F) and 925°C (1700°F), respectively. Additionally, heat-resistant alloys like Inconel and Hastelloy are commonly used for high-temperature applications as they can maintain their mechanical properties even at extremely high temperatures. However, it is important to consider the specific temperature range, duration of exposure, and the potential for other factors like oxidizing or reducing atmospheres that may affect the performance of steel flat bars in high-temperature environments. Therefore, it is crucial to consult with materials engineers or experts to determine the best steel flat bar for a specific high-temperature application.

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