• Wide Flat Bar Q235 High Quality 3MM-30MM Hot Rolled System 1
  • Wide Flat Bar Q235 High Quality 3MM-30MM Hot Rolled System 2
  • Wide Flat Bar Q235 High Quality 3MM-30MM Hot Rolled System 3
Wide Flat Bar Q235 High Quality 3MM-30MM Hot Rolled

Wide Flat Bar Q235 High Quality 3MM-30MM Hot Rolled

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Loading Port:
Shanghai
Payment Terms:
TT or LC
Min Order Qty:
25 m.t.
Supply Capability:
10000 m.t./month

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Product Applications:

Q235 High Quality Wide Flat Bar 3MM-30MM Hot Rolledare ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

 

Product Advantages:

Q235 High Quality Wide Flat Bar 3MM-30MM Hot Rolled are durable, strong, and resist corrosion.

 

Main Product Features:

·         Premium quality

·         Prompt delivery & seaworthy packing (30 days after receiving deposit)

·         Corrosion resistance

·         Can be recycled and reused

·         Mill test certification

·         Professional Service

·         Competitive pricing

 

Product Specifications:

Manufacture: Hot rolled

Grade: Q195 – 235

Certificates: ISO, SGS, BV, CIQ

Length: 6m – 12m, as per customer request

Packaging: Export packing, nude packing, bundled

Commodity: Mild Steel Flat Bar

Standard: GB;JIS

Material: Q195-235;SS400

Brand name: FLATSPACE

Origin place: China

Thickness: 3mm-30mm

Width:20mm-200mm

Length: Max 12m

Certification: SGS/BV

Chemical composition of Q235

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 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

 

 

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.

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: 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.

 

 

Q:Is medium plate steel flat?
No, the production process is different.Flat steel can replace a small part of the plate (steel), flat steel is generally fixed rolling, length can be fixed, 1 meters, 30 meters can also do.
Q:Are steel flat bars used in the manufacturing of appliances?
Indeed, steel flat bars find widespread application in the fabrication of appliances. Recognized for its durability and strength, steel boasts outstanding structural integrity, rendering it an optimal choice for appliances necessitating stability and support. Frequently employed in the assembly of appliance frames, brackets, and structural elements, steel flat bars furnish a steadfast base for diverse appliance components, thereby guaranteeing the longevity and dependability of the final product. Moreover, the malleability and weldability of steel flat bars facilitate effortless customization, enabling manufacturers to tailor designs and configurations to meet precise appliance specifications.
Q:What are the different specifications for steel flat bars?
Steel flat bars come in a variety of specifications, which determine their size, shape, and composition. These specifications include dimensions, such as width, thickness, and length, as well as the type of steel used and any additional properties. In terms of dimensions, steel flat bars can vary widely. Common widths range from 1/2 inch to 12 inches, while thicknesses can range from 1/8 inch to several inches. Lengths are typically specified in feet or meters, with standard lengths available, such as 6 or 12 feet, or custom lengths cut to the desired size. The type of steel used in flat bars can also vary. The most common types include carbon steel, which is a basic and versatile option, and stainless steel, which offers corrosion resistance and aesthetic appeal. Carbon steel flat bars are further classified based on their carbon content, with low-carbon, medium-carbon, and high-carbon steel being common options. In addition to the basic specifications, steel flat bars can have additional properties based on their intended use. For example, some flat bars may be heat-treated to increase their strength or hardness, while others may be galvanized or coated to enhance their resistance to corrosion. It is worth noting that different countries and industries may have their own specific standards or specifications for steel flat bars. These standards, such as ASTM (American Society for Testing and Materials) or EN (European Norms), ensure consistency and quality across different manufacturers and applications. Therefore, it is important to consider these standards and specifications when selecting steel flat bars for a particular project or application.
Q:Are steel flat bars suitable for making cutting or scraping tools?
Steel flat bars can indeed be suitable for making cutting or scraping tools, depending on the specific requirements and intended use. Steel is a strong and durable material, making it ideal for tools that require sharpness and longevity. Flat bars can be easily shaped and formed into various cutting or scraping tool designs, offering versatility and customization options. However, the choice of steel grade is crucial to ensure the desired performance. High carbon steel, for example, is known for its hardness and ability to hold a sharp edge, making it suitable for cutting tools like knives or chisels. On the other hand, stainless steel may be preferred for tools that require resistance to corrosion, such as scrapers used in wet or humid environments. Ultimately, the suitability of steel flat bars for making cutting or scraping tools depends on factors like the intended application, required hardness, and desired resistance to wear or corrosion.
Q:How do steel flat bars behave under high temperatures?
Steel flat bars behave differently under high temperatures depending on the type of steel and the specific temperature range. In general, steel has a high melting point and is known for its ability to withstand heat. However, when exposed to extremely high temperatures, steel flat bars may undergo certain changes in properties. At temperatures below the steel's melting point, the flat bars will typically retain their shape and strength. They may expand slightly due to thermal expansion, but this is usually minimal and does not significantly affect their structural integrity. Steel is known for its excellent thermal conductivity, which allows it to transfer heat away from the hot areas, minimizing the risk of deformation or failure. As the temperature continues to rise, steel can begin to lose its strength and become softer. This process, known as tempering, occurs due to the rearrangement of the steel's crystal structure. It is important to note that the exact temperature at which tempering occurs depends on the specific type of steel. For instance, low carbon steels will start to soften at relatively lower temperatures compared to high carbon steels. If the temperature reaches a critical point, known as the austenitizing temperature, steel undergoes a phase transformation and becomes austenitic. At this stage, the steel becomes highly malleable and can be easily shaped. However, it also loses its strength and hardness, making it more prone to deformation and failure. Additionally, prolonged exposure to high temperatures can cause steel flat bars to experience oxidation, leading to the formation of rust. This can further weaken the steel and compromise its structural integrity. In summary, steel flat bars generally behave well under high temperatures up to their melting point. They retain their shape and strength, with minimal expansion. However, beyond certain temperature thresholds, steel can begin to soften or even undergo phase transformations, leading to reduced strength and increased susceptibility to deformation. Therefore, it is crucial to consider the specific type of steel and its temperature limitations when exposed to high temperatures.
Q:Can steel flat bars be galvanized or coated with other materials?
Yes, steel flat bars can be galvanized or coated with other materials.
Q:How do steel flat bars compare to other materials like aluminum or wood?
Steel flat bars are typically stronger and more durable than materials like aluminum or wood. They have a higher tensile strength and can withstand heavier loads and impacts. Additionally, steel is more resistant to warping, rotting, or cracking, making it a more reliable choice for structural applications. However, steel flat bars are generally heavier and may require additional corrosion protection compared to aluminum. Wood, on the other hand, may be more aesthetically pleasing for certain applications but lacks the strength and durability of steel. Ultimately, the choice between steel, aluminum, or wood depends on the specific needs and requirements of the project.
Q:What are the safety precautions when working with steel flat bars?
When working with steel flat bars, it is important to take certain safety precautions to minimize the risk of accidents or injuries. Some of the key safety measures include wearing personal protective equipment (PPE) such as safety glasses, gloves, and steel-toed boots to protect against potential hazards. Additionally, using appropriate lifting techniques or mechanical aids to handle heavy or large steel flat bars can prevent strain or back injuries. It is also crucial to ensure a well-ventilated work area to minimize exposure to fumes or dust generated during cutting, grinding, or welding processes. Regularly inspecting the flat bars for any defects or damage and properly securing them during transportation or storage is another important safety practice. Overall, following these safety precautions helps ensure a safer working environment when dealing with steel flat bars.
Q:Are steel flat bars available in different surface roughness options?
Different surface roughness options are available for steel flat bars. The manufacturing process and intended use of the product can cause the surface roughness of steel flat bars to vary. Steel flat bars can have a smooth, polished surface finish, which is often used for decorative purposes or in applications where a clean and aesthetically pleasing appearance is desired. Conversely, a rougher surface finish can also be applied to steel flat bars, which is commonly used in industrial or heavy-duty applications where improved grip or enhanced friction is necessary. The production process allows control of the surface roughness of steel flat bars through techniques such as grinding, sandblasting, or chemical treatments. As a result, customers can choose steel flat bars with different surface roughness options based on their specific requirements and preferences.
Q:What are the safety considerations when working with steel flat bars?
There are several safety considerations to keep in mind when working with steel flat bars. 1. Personal Protective Equipment (PPE): It is vital to wear the appropriate PPE, such as safety goggles, gloves, and steel-toed boots. These protective gear items help prevent potential injuries caused by the heavy and sharp nature of steel flat bars. By wearing the right gear, the risk of cuts, bruises, or other bodily harm can be significantly reduced. 2. Handling: Maneuvering steel flat bars, especially larger sizes, can be challenging and heavy. It is important to use proper lifting techniques, such as bending your knees and maintaining a straight back, to avoid strains or back injuries. Additionally, when transporting flat bars, ensure they are securely fastened and do not pose a hazard to others. 3. Cutting and shaping: When cutting or shaping steel flat bars, it is crucial to use the appropriate tools and techniques. Power tools like grinders or saws should be handled with caution, and operators should receive proper training on their usage. Moreover, ensure that the work area is clear of any debris or obstructions to prevent accidents or injuries. 4. Fire and fumes: Steel flat bars can generate sparks during cutting or welding, which poses a fire hazard. It is important to have adequate fire prevention measures in place, such as fire extinguishers, and to work in a well-ventilated area to prevent the accumulation of hazardous fumes. 5. Storage: Proper storage of steel flat bars is essential to prevent accidents. They should be stored securely and in an organized manner to avoid tripping hazards or the risk of collapse. Additionally, heavy flat bars should not be stacked too high to maintain stability and prevent potential accidents. 6. Training and supervision: It is crucial to provide adequate training and supervision for anyone working with steel flat bars. Proper training should cover safety procedures, correct tool usage, and handling techniques. Supervision is necessary to ensure adherence to safety protocols and address any potential hazards or concerns. By taking these safety measures into account, the risk of accidents or injuries when working with steel flat bars can be significantly reduced, creating a safer working environment for everyone involved.

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