Wholesale hot rolled steel flat bar with lowest price

Wholesale hot rolled steel flat bar with lowest price System 1

Wholesale hot rolled steel flat bar with lowest price

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 30 m.t.

Supply Capability:: 30000 m.t./month

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Specifications

1passed the ISO9001:2000
2steel manufacturer,30 years experience
3near the seaport ,low cost
4good reputation and service

Carbon steelsdo rust easily, but they can be easily painted or primed. They are cheap so they are the normal choice for most

fabrications. Mild Steel can be easily cut or drilled to meet your requests.

Mild Steel Flat Bar is generally used for fabrication, frameworks and for structural items. Such as:

Plastic moulds, cold work die and mould base as well as constructional part .

Automobile manufacturing( Auto girders special steel

Shipping manufacture

Railway special pad

Mechanical steel

section size: axb=(650-580)x(6-50)

lenght : 6m/9m/12m or as required

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

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Wholesale hot rolled steel flat bar with lowest price

Q: What are the different surface finishes available for steel flat bars?: Some common surface finishes available for steel flat bars include hot rolled, cold rolled, galvanized, and polished finishes.

Q: Can steel flat bars be used in the construction of industrial structures?: Yes, steel flat bars can be used in the construction of industrial structures. Steel flat bars are versatile and strong, making them suitable for a wide range of applications in industrial construction. They are commonly used in the construction of beams, columns, frames, and supports. Steel flat bars offer excellent structural integrity and are able to withstand heavy loads and high-stress conditions. Additionally, they are durable, corrosion-resistant, and require minimal maintenance. The versatility and strength of steel flat bars make them an ideal choice for the construction of industrial structures.

Q: How do steel flat bars contribute to the overall safety of a structure?: Steel flat bars contribute to the overall safety of a structure in several ways. Firstly, they provide structural stability and support by effectively distributing and transferring loads, ensuring the integrity of the structure. Steel flat bars are strong and durable, with high tensile strength, which allows them to withstand heavy loads and forces without deformation or failure. Additionally, steel flat bars offer resistance against various environmental factors that can compromise the safety of a structure. Steel is highly resistant to fire, corrosion, and extreme weather conditions, making it a reliable choice for enhancing the longevity and safety of a building. Moreover, steel flat bars are often used in the construction of safety barriers, handrails, and guardrails. These elements are crucial for preventing accidents and falls, particularly in elevated areas or walkways. Steel flat bars provide a sturdy and secure barrier, ensuring the safety of individuals within the structure. Furthermore, steel flat bars are often utilized in seismic-resistant designs. Due to their high strength and flexibility, they can absorb and dissipate the energy generated during an earthquake or other seismic events. This feature greatly enhances the overall safety of a structure by minimizing the risk of collapse or structural damage during such incidents. In conclusion, steel flat bars play a vital role in ensuring the overall safety of a structure. Their strength, durability, resistance to environmental factors, and ability to provide structural stability make them an essential component in the construction industry. Whether it is in supporting loads, constructing safety barriers, or enhancing seismic resistance, steel flat bars contribute significantly to the safety and longevity of structures.

Q: What are the different standards for steel flat bars?: Steel flat bars, also known as steel flats or simply flats, come in a variety of standards that dictate their size, shape, and composition. These standards are established to ensure uniformity and quality in the manufacturing and use of steel flat bars. One of the most widely recognized standards for steel flat bars is the ASTM A36, which sets the requirements for carbon structural steel. This standard specifies the chemical composition, mechanical properties, and dimensional tolerances for steel flats used in general structural purposes. Another commonly used standard is the ASTM A108, which covers carbon steel bars for general purpose applications. This standard classifies steel flat bars into different grades based on their chemical composition and mechanical properties. For more specialized applications, there are specific standards that cater to different industries. For instance, the ASTM A276 is a standard that applies to stainless steel bars and shapes. Within this standard, there are specific requirements for stainless steel flat bars, including their chemical composition, mechanical properties, and dimensions. In addition to ASTM standards, there are also international standards that govern the production and use of steel flat bars. The most prominent one is the EN 10058, which is a European standard that specifies the tolerances on dimensions and shape for hot-rolled steel flat bars. Furthermore, there are regional or national standards that may be applicable in certain countries. For example, the JIS G3194 is a Japanese industrial standard that provides specifications for hot-rolled steel flat bars used in general structures. These standards are essential to ensure the quality, compatibility, and interchangeability of steel flat bars in various applications. Manufacturers, engineers, and users rely on these standards to select and work with steel flat bars that meet their specific requirements and adhere to industry norms.

Q: What are the different types of protective coatings for steel flat bars?: There are several types of protective coatings available for steel flat bars, including galvanization, powder coating, paint, and epoxy coatings. Each type of coating offers varying levels of protection against corrosion, abrasion, and environmental damage, allowing the steel flat bars to maintain their structural integrity and appearance over time.

Q: Are steel flat bars suitable for welding applications?: Yes, steel flat bars are suitable for welding applications. Steel flat bars are commonly used in welding projects due to their versatility and strength. They can be easily welded to other steel components or structures using various welding techniques such as MIG, TIG, or arc welding. Steel flat bars provide a stable base for welding and their flat surface allows for precise and accurate welds. They are widely used in construction, manufacturing, and fabrication industries for a range of applications including building frames, supports, brackets, and reinforcement. Additionally, steel flat bars are available in different grades and sizes, allowing for customization and adaptation to specific welding requirements. Overall, steel flat bars are a reliable and popular choice for welding applications.

Q: What are the different types of steel alloys used for flat bars?: There are several types of steel alloys commonly used for flat bars, including carbon steel, stainless steel, alloy steel, and tool steel. Carbon steel is the most widely used and is known for its strength and durability. Stainless steel is highly corrosion-resistant and often used in environments with high moisture or chemical exposure. Alloy steel contains additional elements such as manganese, nickel, or chromium to enhance strength and toughness. Tool steel is specifically designed for use in cutting tools and has high hardness and wear resistance.

Q: Are steel flat bars suitable for making electrical enclosures or cabinets?: Yes, steel flat bars are suitable for making electrical enclosures or cabinets. Steel is a durable and strong material that offers excellent protection and security for electrical components. The flat bars provide a sturdy framework for the enclosure or cabinet, ensuring stability and support. Additionally, steel is resistant to heat, corrosion, and impact, making it an ideal choice for housing electrical equipment. It also has good electrical conductivity, which is crucial in maintaining proper grounding and preventing electrical hazards. Moreover, steel flat bars can be easily customized and fabricated to meet specific size and design requirements, allowing for flexibility in creating the enclosures or cabinets. Overall, steel flat bars are a reliable and practical option for constructing electrical enclosures or cabinets due to their strength, durability, and electrical properties.

Q: What is the typical hardness of steel flat bars?: Steel flat bars can exhibit varying levels of hardness, contingent upon their respective grade and heat treatment. Typically, these hardness levels span from 40 to 65 on the Rockwell hardness scale. This range of hardness guarantees the strength and durability of steel flat bars, enabling them to endure diverse mechanical pressures and impacts. Nevertheless, it is essential to acknowledge that the hardness can be tailored to meet specific application demands by means of distinct heat treatment procedures.

Q: Can steel flat bars be used for making gates or fences?: Certainly, gates or fences can be made using steel flat bars. Steel flat bars have a reputation for being strong and durable, making them an ideal option for these purposes. They are resistant to bending and warping, offering a solid structure for gates or fences. Moreover, steel flat bars can be effortlessly welded together, enabling customization and flexibility when designing gates or fences of different dimensions and forms. Additionally, the sleek surface of steel flat bars reduces the likelihood of corrosion and simplifies maintenance. In summary, steel flat bars are a dependable and widely favored choice for constructing gates or fences, guaranteeing security and longevity.

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