Q235 Hot Rolled Steel Flat Bar

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 100000 m.t./month

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Specification of High Quality Flat Bar

Commodity: High Quality Flat Bar

Standard: GB;ASTM;JIS

Material: Q195-Q235;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(%)

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 High Quality Flat Bar

Widely used for construction,

Machinery manufacturing,

Iron tower steel structure,

Shipbuilding;

Steel grating,

Staircase,

Bridge,

Viaduct,

Railway spare parts,

Boilers making etc.

Production Flow of High Quality Flat Bar

The 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.

Packaging & Delivery of High Quality 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.

Transporting the High Quality Flat Bar to Port

Package of High Qualiy Flat Bar

Marking the High Quality Flat Bar with Tags

Q:Are there any safety considerations when working with steel flat bars?: Yes, there are several safety considerations when working with steel flat bars. Firstly, steel flat bars can be heavy and cumbersome, so it is important to use proper lifting techniques and equipment to avoid strain or injury. Additionally, steel bars may have sharp edges or corners that can cause cuts or punctures, so wearing appropriate personal protective equipment such as gloves and safety glasses is essential. Furthermore, when cutting or shaping steel flat bars, sparks and metal fragments can be generated, posing a fire hazard and eye injury risk. It is crucial to work in a well-ventilated area and use proper eye protection and fire prevention measures. Lastly, steel flat bars can become extremely hot when welding or using other high-temperature processes, leading to burn injuries. Adhering to proper welding techniques and wearing heat-resistant clothing and gloves can minimize these risks. Overall, being aware of these safety considerations and following best practices is crucial to ensuring the safe handling and manipulation of steel flat bars.

Q:What is the difference between carbon steel and mild steel flat bars?: Carbon steel and mild steel flat bars are both commonly used in various industries, but they differ in terms of carbon content. Carbon steel contains a higher amount of carbon, typically ranging from 0.30% to 2.0%, making it harder and stronger. On the other hand, mild steel has a lower carbon content, ranging from 0.05% to 0.25%, which results in a softer and more malleable material. This difference in carbon content affects the overall strength, hardness, and durability of the flat bars, making carbon steel flat bars more suitable for heavy-duty applications, while mild steel flat bars are often used for general-purpose or structural purposes.

Q:What industries commonly use steel flat bars?: Steel flat bars find widespread use across a diverse range of industries owing to their versatility and durability. Construction, manufacturing, automotive, infrastructure, and engineering are some of the sectors that frequently employ steel flat bars. Within the construction industry, steel flat bars serve multiple purposes, functioning as support beams, frames, braces, and structural components in buildings and bridges. By offering strength and stability, they prove ideal for withstanding heavy loads and pressure. In manufacturing, steel flat bars play a crucial role in the fabrication of machinery, equipment, and tools. Their malleability allows for easy shaping and machining, enabling them to meet specific requirements and suit various manufacturing processes. The automotive industry relies on steel flat bars extensively, particularly in the production of vehicle chassis and body frames. These bars provide the necessary strength and rigidity to endure the stresses and strains endured by automobiles, ensuring safety and durability. Infrastructure projects such as highways, railways, and airports make extensive use of steel flat bars as well. They are employed in the construction of beams, columns, and other structural elements, furnishing the requisite strength to bear heavy loads and withstand environmental conditions. Engineering industries heavily depend on steel flat bars for a wide array of applications. These bars are commonly utilized in the fabrication of machinery, equipment, and components that necessitate strength, resilience, and versatility. Furthermore, they are used in constructing support structures, frames, and braces required for various engineering projects. In conclusion, steel flat bars are widely utilized in the construction, manufacturing, automotive, infrastructure, and engineering sectors. Their versatility, strength, and durability render them indispensable for numerous applications and projects within these industries.

Q:What are steel flat bars?: Steel flat bars, characterized by their long rectangular shape, flat surface, and sharp edges, are commonly utilized in construction, manufacturing, and industrial sectors. These bars are manufactured using different grades of steel, such as carbon steel or stainless steel, and are produced through the processes of hot rolling or cold drawing. Due to their versatility and strength, steel flat bars find a wide range of applications. They are frequently employed as structural supports, braces, or framing components in buildings and bridges. In the manufacturing field, they serve as base plates for machinery, brackets, or raw material for fabrication. Furthermore, the automotive, aerospace, and marine industries also heavily rely on steel flat bars. The flat surface of these bars enables easy welding, cutting, and machining, making them highly adaptable for diverse projects and applications. They can be easily shaped, bent, or drilled to meet specific requirements. The sharp edges of steel flat bars also provide stability and structural support when used in construction or as load-bearing elements. Steel flat bars are available in various sizes, thicknesses, and lengths, allowing for customization and flexibility in their usage. They are typically found in standard dimensions and can be purchased from steel suppliers or metal fabrication shops. In conclusion, steel flat bars are indispensable building materials that offer strength, durability, and versatility. Their extensive use in various industries and applications makes them a critical component in numerous construction and manufacturing projects.

Q:What is the maximum thickness-to-width ratio for a steel flat bar?: Several factors, including the specific steel grade, intended usage, and industry standards, influence the maximum thickness-to-width ratio for a steel flat bar. Generally, the maximum ratio is typically 1:10, meaning that the thickness of the flat bar should not surpass 10 times its width. If this ratio is surpassed, it can result in potential problems such as compromised structural integrity, heightened susceptibility to bending or warping, and challenges in fabrication or handling. Therefore, it is crucial to consider the specific application and refer to relevant industry guidelines or standards to determine the appropriate thickness-to-width ratio for a steel flat bar in a given scenario.

Q:What are the different types of steel flat bars available in the market?: There are several different types of steel flat bars available in the market, including mild steel flat bars, stainless steel flat bars, alloy steel flat bars, and carbon steel flat bars. Each type of flat bar has its own unique properties and characteristics, making them suitable for different applications and industries.

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 are steel flat bars used in construction?: Steel flat bars are commonly used in construction for various purposes such as supporting structures, reinforcing concrete, framing, and forming connections between different components. They provide strength, stability, and durability to buildings, making them essential in the construction industry.

Q:Are steel flat bars suitable for the construction of bridges or flyovers?: Steel flat bars are a suitable choice for constructing bridges and flyovers. Steel, being a versatile and durable material, possesses a high strength-to-weight ratio, making it ideal for structural applications like bridges and flyovers. The stability and support provided by steel flat bars are crucial for the structure of bridges and flyovers, and their flat surface enables easy welding and connection with other components. Furthermore, steel's resistance to corrosion is essential for structures exposed to outdoor environments and varying weather conditions. In summary, steel flat bars are commonly utilized in the construction of bridges and flyovers due to their strength, durability, and ease of use, making them a reliable choice.

Q:Can steel flat bars be used for making molds or dies?: Yes, steel flat bars can be used for making molds or dies. Steel is a versatile material known for its strength and durability, making it suitable for various applications in industries such as manufacturing and engineering. When used for making molds or dies, steel flat bars offer the necessary stability and rigidity to withstand the pressures and forces involved in the molding or die-cutting process. Moreover, the flat surface of the bars ensures precise and accurate shaping, allowing for the production of high-quality molds or dies. Steel flat bars can be machined, welded, and heat-treated to achieve the desired specifications and characteristics required for specific molding or die-cutting applications.

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