Good Quality Flat Steel

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Supply Capability:: -

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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 making gears or sprockets?: Yes, steel flat bars are suitable for making gears or sprockets. Steel flat bars are commonly used in gear and sprocket manufacturing due to their durability, strength, and ability to withstand high loads and torque.

Q: Are steel flat bars suitable for making cutting or scraping tools?: Yes, steel flat bars are suitable for making cutting or scraping tools. Steel is a strong and durable material that can be sharpened to create sharp cutting edges, making it ideal for tools that require slicing or scraping tasks.

Q: Can steel flat bars be used for making frames or structures?: Yes, steel flat bars can be used for making frames or structures. They are commonly used in construction, engineering, and manufacturing industries due to their strength, durability, and versatility. Steel flat bars provide excellent support and stability, making them suitable for various applications such as building frames, bridges, machinery, and supports for structures.

Q: What are the different types of coatings available for steel flat bars?: Steel flat bars can be coated with various types of coatings, each with their own unique advantages and properties. Some common options include galvanized coatings, powder coatings, epoxy coatings, paint coatings, anodizing, and phosphate coatings. Galvanized coatings are widely used and involve applying a layer of zinc to the steel surface. This provides excellent resistance to corrosion and makes them suitable for outdoor applications. Powder coatings, on the other hand, involve applying a dry powder that is then cured under heat to form a protective layer. This type of coating offers durability, resistance to chipping, and a wide range of color options. It is often used for decorative purposes or when a durable and aesthetic finish is desired. Epoxy coatings are popular for steel flat bars that will be exposed to corrosive environments. They are applied as a liquid and then cured to form a hard, protective layer. Epoxy coatings provide excellent chemical resistance and can withstand exposure to acids, alkalis, and other corrosive substances. Paint coatings are a versatile option, offering both protection and aesthetics. They can be applied in various colors and finishes, providing a decorative and protective layer. However, periodic maintenance and touch-ups may be required to maintain their effectiveness. Anodizing is primarily used for aluminum but can also be applied to steel flat bars. It involves creating an oxide layer on the surface of the metal, enhancing its corrosion resistance and providing an attractive finish. Anodized coatings are particularly suitable for architectural and decorative applications. Phosphate coatings are a type of conversion coating that chemically reacts with the steel surface to form a protective layer. They offer excellent adhesion, corrosion resistance, and improved paint adhesion. Phosphate coatings are commonly used as a pre-treatment before applying paint or powder coatings. In conclusion, the choice of coating for steel flat bars depends on specific requirements such as corrosion resistance, durability, aesthetics, and environmental conditions. The available options include galvanized coatings, powder coatings, epoxy coatings, paint coatings, anodizing, and phosphate coatings.

Q: What are the tolerances for steel flat bars?: The tolerances of steel flat bars may differ based on the specific requirements and standards set by the manufacturer or customer. However, typically, the tolerances for steel flat bars are measured in terms of thickness, width, and length. Concerning the thickness tolerance, it is customary to have a specific range in which the flat bar's thickness should fall. This range can vary depending on the grade and type of steel used, but it is usually specified as a plus or minus value. Similarly, the width tolerance denotes the acceptable variation in the width of the steel flat bar. This tolerance is usually specified as a plus or minus value, allowing for a certain range of deviation from the desired width. Lastly, the length tolerance determines the acceptable variation in the length of the steel flat bar. This tolerance is often specified as a maximum or minimum deviation from the desired length. It is crucial to note that the precise tolerances for steel flat bars may vary depending on the application and industry standards. Consequently, it is important to refer to the relevant specifications or standards provided by the manufacturer or customer to ascertain the exact tolerances required for a specific steel flat bar.

Q: What is the typical weight of a steel flat bar?: The typical weight of a steel flat bar can vary depending on its dimensions and the specific type of steel used. Generally, a steel flat bar can weigh anywhere between a few pounds to several hundred pounds. It is best to refer to the manufacturer's specifications or consult a metal weight calculator for a more precise estimation based on the specific dimensions and type of steel flat bar.

Q: Can steel flat bars be used for tool and die making?: Yes, steel flat bars can be used for tool and die making. Tool and die making requires materials that are strong, durable, and can withstand the high pressures and temperatures involved in the manufacturing process. Steel flat bars are often chosen for this purpose due to their excellent strength-to-weight ratio and resistance to wear and tear. They can be easily machined, shaped, and hardened to meet the specific requirements of the tool or die being fabricated. Additionally, steel flat bars are readily available in various sizes and grades, making them a versatile choice for tool and die making applications.

Q: What is the weight of a steel flat bar?: The weight of a steel flat bar can vary depending on its dimensions and specific type of steel.

Q: What are the common industries that use steel flat bars?: Steel flat bars find widespread use across multiple industries due to their versatility and strength. The construction, manufacturing, transportation, and machinery sectors all heavily rely on steel flat bars for various applications. Within the construction industry, steel flat bars are extensively employed in structural frameworks, support beams, and reinforcement for buildings, bridges, and infrastructure projects. These bars provide the necessary stability, durability, and resistance to heavy loads, making them indispensable components in construction. Similarly, the manufacturing industry heavily depends on steel flat bars for a wide range of purposes. They are utilized in the production of machinery, equipment, and tools due to their exceptional mechanical properties. Manufacturing processes like welding, fabrication, and machining often utilize steel flat bars, which can be easily shaped, cut, and manipulated. The transportation sector extensively incorporates steel flat bars in the construction of vehicles like cars, trucks, buses, and trains. These bars are crucial components in the chassis, frames, and support structures of vehicles, ensuring their strength, stability, and safety. Additionally, the machinery industry commonly employs steel flat bars. They are utilized in the fabrication of machine components such as brackets, supports, and frames, thanks to their high tensile strength and resistance to deformation. Steel flat bars also find applications in agricultural equipment, mining machinery, and industrial machinery. In conclusion, steel flat bars are widely used in the construction, manufacturing, transportation, and machinery industries. These industries rely on steel flat bars for their durability, strength, and versatility, making them essential components in various applications.

Q: How do you prevent twisting of steel flat bars during welding?: To prevent twisting of steel flat bars during welding, it is essential to properly clamp and secure the bars in place. This can be achieved by using strong and sturdy clamps or fixtures, ensuring that the bars are held tightly and aligned correctly. Additionally, evenly distributing the heat during welding and using proper welding techniques can help minimize the chances of twisting.

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