Good Quality Flat Steel

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Hot Rolled Seel Flat Bars Of Material Grade Q235 And Q255

1) Material: steel

2) Grade: 304, 304L, 316, 316L, 310S, 904L, 2205, B2, C22, 625, etc.

3) Shape: Flat

4) Surface: Black, Hairline, Bright, Polished

5) Finish: Cold drawn, Hot rolled

6) Size:

a) Thickness: 2-20mm

b) Width: 15-200mm

7) Length: 1000mm-12000mm

8) Application: Petroleum & chemical industries, construction field, machinery and hardware fields, food processing and medical industry, high or low temperature resistant, electricity industries, etc.

9) Packing: Standard export packages, custom suffocating free.

10) Min order: 1 ton

11) Origin: China (Mainland)

12) Note: Stainless steel bars/rods can be made according to the customers' requirements.

Chemical Composition of Material	Material	201	202	304	316	430
	C	≤ 0.15	≤ 0.15	≤ 0.08	≤ 0.08	≤ 0.12
	Si	≤ 1.00	≤ 1.00	≤ 1.00	≤ 1.00	≤ 1.00
	Mn	5.5-7.5	7.5-10	≤ 2.00	≤ 2.00	≤ 1.00
	P	≤ 0.06	≤ 0.06	≤ 0.045	≤ 0.045	≤ 0.040
	S	≤ 0.03	≤ 0.03	≤ 0.030	≤ 0.030	≤ 0.030
	Cr	16-18	17-19	18-20	16-18	16-18
	Ni	3.5-5.5	4-6	8-10.5	10-14
	Mo				2.0-3.0
Mechanical Property	Material Item		201	202	304	316
	Tensile Strength		≥ 535	≥ 520	≥ 520	≥ 520
	Yield Strength		≥ 245	≥ 205	≥ 205	≥ 205
	Extension		≥ 30%	≥ 30%	≥ 35%	≥ 35%
	Hardness (HV)		< 253	< 253	< 200	< 200

Q:Are steel flat bars suitable for fabrication of support structures?: Yes, steel flat bars are suitable for fabrication of support structures. Steel is known for its strength and durability, and flat bars provide a stable and sturdy base for supporting various structures. They can be easily welded, bolted, or attached to other components, making them versatile for different fabrication needs.

Q:Are steel flat bars suitable for making storage racks?: Steel flat bars are a suitable option for constructing storage racks due to their strength, durability, and versatility. These bars are known for their ability to withstand heavy loads, making them capable of securely holding and supporting heavy objects. Moreover, they have a resistance to bending and warping, guaranteeing the long-lasting nature of the storage racks. Additionally, steel flat bars are easily manipulated and can be welded or bolted together to create customized racks that cater to specific storage requirements. Ultimately, steel flat bars offer a dependable and robust framework for storage racks, making them a favored choice in a variety of industries and environments.

Q:What are the different methods of surface hardening for steel flat bars?: There are several methods of surface hardening for steel flat bars, including case hardening, nitriding, induction hardening, flame hardening, and laser hardening.

Q:Can steel flat bars be used for making frames or supports for signage?: Yes, steel flat bars can be used for making frames or supports for signage. Steel flat bars are known for their strength and durability, making them suitable for providing structural support to signage. They can be easily shaped and welded to create custom frames that can securely hold and display signage. Additionally, steel flat bars are resistant to corrosion, making them ideal for outdoor signage applications where they may be exposed to various weather conditions. Overall, steel flat bars are a reliable choice for constructing frames or supports for signage due to their strength, durability, and resistance to corrosion.

Q:How is three grade steel connected to ground flat steel?: Steel bars welded with flat bars should be of little size, 12mm bar, and if you are not sure, you can use a section of HRB335 over.

Q:Can steel flat bars be used for manufacturing conveyor systems or belts?: Indeed, conveyor systems or belts can be manufactured using steel flat bars. In conveyor systems, steel flat bars are commonly utilized as support structures or frames, offering a robust and long-lasting foundation for the belts to operate on. The sleek surface of the steel bars allows for seamless movement of the belts, guaranteeing efficient and dependable transportation of goods or materials. Moreover, steel's reputation for its strength and ability to withstand wear and tear makes it an optimal selection for conveyor systems requiring heavy-duty operations. All in all, steel flat bars possess the necessary attributes of strength, durability, and smoothness, rendering them a fitting material for the production of conveyor systems or belts.

Q:How do steel flat bars compare to fiberglass flat bars?: Distinct differences exist between steel flat bars and fiberglass flat bars in terms of composition, properties, and applications. To begin with, steel flat bars are manufactured by heating a solid steel billet and passing it through rollers to achieve the desired shape. Renowned for their exceptional strength, durability, and resistance to bending and impact, steel flat bars are able to withstand heavy loads. Consequently, they are commonly utilized in the construction, manufacturing, and machinery industries. Moreover, steel flat bars exhibit high resistance to fire and extreme temperatures. On the other hand, fiberglass flat bars are composed of glass fibers embedded in a resin matrix. This unique composition grants them properties such as being lightweight, corrosion-resistant, and non-conductive. Consequently, fiberglass flat bars find common usage in industries where electrical conductivity or non-magnetic properties are indispensable, such as electrical and telecommunications applications. Additionally, their resistance to water, chemicals, and UV radiation makes them suitable for employment in marine and automotive industries. When comparing strength, steel flat bars generally possess a higher tensile strength than fiberglass flat bars. Steel, being a denser material, is capable of enduring higher loads and impacts. Conversely, fiberglass flat bars, while not as strong as steel, exhibit a high strength-to-weight ratio, rendering them appropriate for applications that prioritize weight reduction. Another crucial factor is cost. In general, steel flat bars are more cost-effective than their fiberglass counterparts. Steel is extensively available and widely used, thus reducing production costs. Conversely, fiberglass necessitates specialized manufacturing processes and materials, resulting in relatively higher expenses. Ultimately, the choice between steel and fiberglass flat bars hinges on the specific requirements of the application at hand. If strength, durability, and cost-effectiveness are paramount, steel flat bars are the favored option. Conversely, if lightweight, non-conductive, and corrosion-resistant properties are crucial, fiberglass flat bars emerge as the superior choice.

Q:What is the maximum thickness-to-width ratio for steel flat bars?: The maximum thickness-to-width ratio for steel flat bars can vary depending on the specific grade and type of steel being used. However, in general, the maximum thickness-to-width ratio for steel flat bars is typically around 1:10. This means that the thickness of the bar should not exceed 10 times its width. It is important to note that this ratio may vary based on the specific application and industry standards, so it is always advisable to consult relevant engineering codes and standards to determine the maximum thickness-to-width ratio for a specific steel flat bar.

Q:Are steel flat bars suitable for making brackets or supports for water treatment systems?: Yes, steel flat bars are suitable for making brackets or supports for water treatment systems. Steel is known for its strength and durability, making it an excellent choice for supporting heavy equipment or structures. Additionally, steel is resistant to corrosion, which is crucial in water treatment systems where exposure to moisture is common. Steel flat bars can be easily fabricated into various shapes and sizes to meet specific requirements, providing stability and reliability to the overall system. Therefore, using steel flat bars for making brackets or supports in water treatment systems ensures long-lasting and sturdy support for the equipment involved in the treatment process.

Q:How are steel flat bars measured?: Typically, when it comes to steel flat bars, their width and thickness are the parameters used for measurement. The width denotes the bar's horizontal dimension, whereas the thickness denotes the vertical dimension. Both measurements are commonly expressed in millimeters or inches. For instance, a steel flat bar may be designated as 50 mm wide and 5 mm thick. Such measurements play a crucial role in assessing the bar's overall size and shape, ensuring its precise utilization in construction, manufacturing, or various other applications.

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