Hot Rolled Steel Flat Bars A36, SS400, Q235

Hot Rolled Steel Flat Bars A36, SS400, Q235 System 1

Hot Rolled Steel Flat Bars A36, SS400, Q235

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Product Description:

OKorder is offering Hot Rolled Steel Flat Bars A36, SS400, Q235 at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

Hot Rolled Steel Flat Bars A36, SS400, Q235 are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

Product Advantages:

OKorder's Hot Rolled Steel Flat Bars A36, SS400, Q235 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 Steel Flat Bars A36, SS400, Q235

Grade: Q195 – 235

Certificates: ISO, SGS, BV, CIQ

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

Packaging: Export packing, nude packing, bundled

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

FAQ:

Q1: Why buy Hot Rolled Steel Flat Bars A36, SS400, Q235 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: What is the normal tolerance of Hot Rolled Steel Flat Bars A36, SS400, Q235?

A2: Normally 3%-5%, but we can also produce the goods according to the customers' requests.

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

Hot Rolled Steel Flat Bars A36, SS400, Q235

Q:How are steel flat bars different from steel round bars?: The shape and physical properties of steel flat bars and steel round bars are different. The most noticeable distinction is their shape: steel flat bars have a flat surface and rectangular cross-section, while steel round bars have a cylindrical shape. In terms of usage, steel flat bars find frequent application in construction, manufacturing, and industrial projects that require a robust and durable material. They are often employed as support or reinforcement structures due to their flat surface, which provides stability and strength. Moreover, steel flat bars are versatile and can be easily welded, cut, and shaped into various forms, making them suitable for a wide range of projects. On the other hand, steel round bars are primarily used in applications that demand strength, such as shafts, axles, and structural components. The cylindrical shape of round bars offers excellent strength and load-bearing capacity, making them ideal for applications involving torsional forces. Additionally, round bars are commonly utilized in the manufacturing of machinery, tools, and equipment due to their ability to withstand high stress and pressure. Another disparity between steel flat bars and steel round bars lies in their physical properties. Due to their differing shapes, flat bars have a larger surface area compared to round bars with the same weight. This characteristic can result in higher heat transfer rates and improved corrosion resistance for steel flat bars. On the other hand, round bars have a smaller surface area, which may make them more suitable for certain applications where reduced friction and drag are desired. In conclusion, steel flat bars and steel round bars differ in terms of their shape, applications, and physical properties. Flat bars are commonly used for support and reinforcement in construction and manufacturing, while round bars are often used for strength and load-bearing applications. Understanding these differences can aid in selecting the most appropriate type of steel bar for a given project or application.

Q:What is the carbon content in steel flat bars?: The carbon content in steel flat bars typically ranges from 0.2% to 0.8%, depending on the specific grade and intended application of the steel.

Q:Are steel flat bars resistant to heat?: The resistance to heat in steel flat bars is typically good. The level of resistance depends on the specific type of steel and its composition. To measure heat resistance, one often examines a material's ability to maintain its strength and structural integrity at higher temperatures. Steel is renowned for its high melting point, which reduces the likelihood of deformation or structural failure when exposed to heat. However, it is important to acknowledge that extreme temperatures, like those found in furnaces or through prolonged exposure to high heat, can still cause some thermal expansion or weakening of the steel. Hence, when assessing the appropriateness of steel flat bars for a heat-related purpose, it is crucial to consider the specific application and potential temperature extremes.

Q:Can steel flat bars be used for creating supports or brackets?: Yes, steel flat bars can be used for creating supports or brackets. Steel flat bars are commonly used for their strength and durability, making them ideal for supporting heavy loads or providing structural stability. They can be easily shaped or welded to create custom brackets or supports for various applications, such as shelves, furniture, machinery, or construction projects. Steel flat bars are available in different sizes and thicknesses, allowing for versatility in design and application.

Q:Can steel flat bars be used for making hydraulic systems or components?: No, steel flat bars are not typically used for making hydraulic systems or components. Hydraulic systems require materials with high strength, corrosion resistance, and the ability to withstand high pressure and temperature. Steel flat bars may not possess these properties and are therefore not suitable for hydraulic applications.

Q:What is the difference between hot-rolled and forged steel flat bars?: Hot-rolled steel flat bars are produced through a process of heating and rolling steel at high temperatures, resulting in a relatively smooth surface and uniform dimensions. On the other hand, forged steel flat bars are created by applying force to heated steel, which enhances its strength and durability. This process also leads to a more textured surface and irregular dimensions. In summary, the main differences lie in the manufacturing process, surface finish, and overall strength of the steel flat bars.

Q:What is the load-bearing capacity of a steel flat bar?: The load-bearing capacity of a steel flat bar is influenced by a variety of factors, such as the bar's dimensions, the type and grade of steel employed, and the intended use or application. Steel flat bars are generally acknowledged for their robustness and ability to bear heavy loads. Engineers take into account multiple factors when determining the load-bearing capacity of a steel flat bar. These factors include the thickness, width, and length of the bar, as well as the type of load it will encounter (static or dynamic loads). Furthermore, the type of steel used and its mechanical properties, including yield strength and tensile strength, greatly impact the load-bearing capacity. To provide a more precise estimation, it is necessary to have exact dimensions and properties of the particular steel flat bar in question, as well as knowledge of its intended use and load requirements. Consulting engineering specifications, conducting structural analysis, or seeking professional advice would be essential in determining the exact load-bearing capacity for a specific steel flat bar in a designated application.

Q:What are the different techniques for joining steel flat bars together?: There exists a variety of methods for connecting steel flat bars, which depend on specific needs and uses. Some commonly employed techniques include welding, bolting, riveting, and adhesive bonding. 1. Welding is extensively utilized for joining steel flat bars. It involves heating and melting the edges of the flat bars in order to fuse them together. The selection of welding method, such as arc welding, gas welding, or laser welding, depends on the thickness and composition of the steel bars. 2. Bolting is an effective means of connecting steel flat bars, particularly when disassembly is required. This technique involves drilling holes in the flat bars and securing them together using bolts, nuts, and washers. Bolting provides a robust and dependable connection but may require periodic maintenance to prevent loosening. 3. Riveting entails driving a metal pin or rivet through pre-drilled holes in the steel flat bars. The rivet is then deformed on the opposite side, creating a permanent connection. Riveting is commonly employed in structural applications that demand high strength and rigidity. 4. Adhesive bonding involves applying a strong adhesive between the surfaces of the steel flat bars to create a bond. This technique is suitable for connecting thin flat bars or situations where welding or drilling is not feasible. Adhesive bonding results in a clean and aesthetically pleasing joint, but it may have limitations in terms of strength and durability. 5. Mechanical fasteners, such as clips, clamps, or brackets, can also be used to connect steel flat bars. These fasteners are designed to hold the flat bars in place without the need for welding or drilling. While mechanical fasteners offer ease of installation and disassembly, they may not provide the same level of strength as welding or riveting. It is crucial to carefully select the appropriate joining technique based on factors such as the intended use, load requirements, design limitations, and the properties of the steel flat bars.

Q:What is the tensile force of the galvanized flat steel of 20*3?: According to "hot rolled flat steel size, shape, weight and allowable deviation", GB 704-88:Ordinary class allows upper deviation +0.3mm, lower deviation -0.5mm; higher allowed upper deviation +0.2mm, lower deviation -0.4mm, the upper deviation is not to think, do not exceed the next deviation is good.

Q:Can steel flat bars be cold worked or hot worked?: Steel flat bars can be both cold worked and hot worked. Cold working involves shaping or forming the steel at room temperature, while hot working involves heating the steel above its recrystallization temperature and then shaping it. Both methods have their own advantages and applications depending on the desired outcome and properties of the steel.

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