HOT ROLLED ROUND BAR

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Payment Terms:: TT OR LC

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Specifications of Wire Rod Q235:

Steel Grade: Q235, Standard: GB Diameter: 5.5mm, 6.5mm, 7mm,8mm,9mm,10mm,12mm,14mm

Diameter Tolerance:±0.3mm 6.5mm can be drawing into 2mm/8.0mm can be drawing into 3mm

Brand Name: N-RIVER Place of Origin: Hebei, China Mainland Application: construction, building etc

Chemical Composition:

Please kindly find our chemistry of our material based on Q235 as below for your information

Trademark	Rank	Chemical composition (quality score) %
		C	Si	Mn	S	P
		C	Si	Mn	S	P
			≤		≤	≤
Q235	A	0.14-0.22	0.30	0.30-0.65	0.050	0.045
Q235	B	0.12-0.20	0.30	0.30-0.70	0.045	0.045
Trademark	Rank	Pulling Test
		Bend PointΔs/Mpa		Tensile Strength	Elongation Ratioδ5%
					Elongation Ratioδ5%
		Thickness (Diameter) /MM			Thickness (Diameter) /MM
		≤16	16-40		≤16	16-40
		≥			≥
Q235	A	235	225	375-500	26	25
Q235	B	235	225	375-500	26	25

Usage and Applications of Wire Rod Q235:

After hot-rolled the products shaped into coil and delivery as finished product, including round, square, rectangular, hexagonal and so on. Since most of the products are round, it is generally called wire rod. Carbon steel wire rod is widely used in construction and manufacturing. Carbon steel wire rod is mainly used for reinforcement of reinforced concrete and welded structure or reprocessed (roberts , nail, etc.) materials, especially used to produce wire drawing, welding electrode, nails, spring, electronic, precise machinery parts and so on.

Packaging & Delivery of Wire Rod Q235:

Packaging Detail: products are packed in coil and then shipped by container or bulk vessel

Each coil weight: 2-3MT

Delivery Detail: within 45 days after received deposit or LC.

Label: to be specified by customer, generally, each bundle has 1-2 labels

Trade terms: FOB, CFR, CIF

Q: Are steel round bars suitable for the production of axles?: Yes, steel round bars are suitable for the production of axles. Steel is a strong and durable material that provides excellent strength and stability, making it an ideal choice for axles. The round shape of the bars allows for easy machining and shaping, ensuring a precise and functional axle design. Additionally, steel round bars offer good resistance to wear, fatigue, and impact, which are essential properties for axles that need to withstand heavy loads and harsh conditions. Overall, steel round bars are a reliable and widely used material for the production of axles in various industries such as automotive, manufacturing, and construction.

Q: What are the common applications of steel round bars?: Steel round bars are widely used in various industries due to their strength, versatility, and durability. Some common applications of steel round bars include: 1. Construction: Steel round bars are commonly used in construction projects such as building frames, bridges, and infrastructure. They provide structural support and can withstand heavy loads. Additionally, steel round bars are often used as reinforcement in concrete structures, increasing their strength and resilience. 2. Manufacturing: Steel round bars are utilized in the manufacturing industry for the production of various components and machinery. They are commonly used in the fabrication of gears, shafts, couplings, and axles, as they possess excellent machinability and can withstand high levels of stress and pressure. 3. Automotive: Steel round bars are extensively used in the automotive industry for manufacturing critical components like crankshafts, steering systems, suspension parts, and axles. Due to their high tensile strength and resistance to wear and tear, steel round bars play a crucial role in ensuring the safety and reliability of vehicles. 4. Aerospace: The aerospace industry relies heavily on steel round bars for the production of aircraft components, including landing gear, propeller shafts, and structural elements. Steel's high strength-to-weight ratio and excellent fatigue resistance make it an ideal choice for withstanding the extreme conditions experienced in aerospace applications. 5. Energy and power: Steel round bars are used in the energy and power sector for manufacturing equipment like turbines, generators, and power transmission systems. Steel's ability to handle high temperatures and its resistance to corrosion make it a suitable material for these applications. 6. Oil and gas: Steel round bars find extensive use in the oil and gas industry for the production of drilling equipment, pipelines, and valves. Steel's resistance to corrosion and high-pressure environments makes it an essential material in this sector. In summary, steel round bars have a wide range of applications across industries due to their strength, versatility, and resistance to wear and tear. They play a crucial role in construction, manufacturing, automotive, aerospace, energy, and power, as well as the oil and gas industry.

Q: What is the elasticity of a steel round bar?: The elasticity of a steel round bar refers to its ability to return to its original shape after being subjected to external forces or deformation. Steel is known for its high elasticity, meaning it can withstand significant stress and strain without permanent deformation. This property makes steel round bars suitable for various applications, including construction, manufacturing, and engineering.

Q: Can steel round bars be machined or forged?: Yes, steel round bars can be both machined and forged. Machining involves removing material from the round bar to create a desired shape or size, while forging involves shaping the steel through the application of heat and pressure. Both processes are commonly used to manipulate steel round bars for various applications.

Q: What are the advantages of using high-speed steel round bars?: There are several advantages of using high-speed steel (HSS) round bars in various applications. Firstly, HSS round bars are known for their exceptional hardness and wear resistance. This makes them ideal for cutting, shaping, and machining operations that involve high-speed and high-temperature conditions. HSS round bars can withstand the heat generated during these processes without losing their hardness or dulling quickly, resulting in improved tool life and reduced downtime for tool changes. Secondly, HSS round bars have excellent strength and toughness properties. This enables them to handle heavy loads and resist deformation, even under demanding applications. The strength and toughness of HSS round bars make them suitable for use in industries such as aerospace, automotive, and manufacturing, where precision and reliability are critical. Thirdly, HSS round bars offer superior cutting performance. Due to their high hardness, HSS round bars can retain a sharp cutting edge for an extended period. This allows for efficient and precise cutting, reducing the chances of inaccuracies or errors in the workpiece. The sharp cutting edge also contributes to improved surface finish and dimensional accuracy. Additionally, HSS round bars have good thermal conductivity, meaning they can efficiently dissipate heat generated during cutting or machining operations. This prevents overheating, which can lead to premature tool failure or damage. The ability of HSS round bars to manage heat buildup helps maintain the integrity of the tool and extends its lifespan. Lastly, HSS round bars are readily available and cost-effective compared to other high-performance tool materials like carbide. This makes them a popular choice for a wide range of applications, especially in industries where cost considerations are significant. In conclusion, the advantages of using high-speed steel round bars include exceptional hardness and wear resistance, excellent strength and toughness, superior cutting performance, good thermal conductivity, and cost-effectiveness. These advantages make HSS round bars a preferred choice for professionals and industries that require reliable and efficient cutting and machining tools.

Q: Can steel round bars be used in the manufacturing of household appliances?: Yes, steel round bars can be used in the manufacturing of household appliances. Steel is a versatile and durable material that is commonly used in various industries, including the manufacturing of household appliances. Steel round bars can be utilized in the construction of appliance frames, support structures, and even internal components. The high strength and resistance to corrosion of steel make it an ideal choice for ensuring the durability and longevity of household appliances. Additionally, steel can be easily molded and shaped according to specific requirements, allowing for the production of appliances with intricate designs and precise dimensions. Overall, the use of steel round bars in the manufacturing of household appliances contributes to the production of high-quality, reliable, and long-lasting products.

Q: Can steel round bars be used in the production of shafts?: Yes, steel round bars can be used in the production of shafts. Steel round bars are often used as a raw material in the manufacturing process of shafts due to their strength, durability, and versatility. They can be machined or forged into the desired shape and size required for the shaft, and their inherent properties make them suitable for various applications such as automotive, machinery, and construction industries. Steel round bars offer excellent mechanical properties, including high tensile strength, good impact resistance, and resistance to corrosion, making them an ideal choice for shafts that require high load-bearing capacity and reliability. Additionally, steel round bars can be heat-treated to further enhance their strength and hardness, ensuring optimal performance and longevity of the shafts in various operating conditions.

Q: 12 of the diameter of the round steel can be M12 out of the thread is not: No problem。 M12 coarse thread of the pitch is 1.75, the outer circle to be processed to 11.8mm, the thread of the most beautiful shape. If the outer circle is too large, the tip of the tooth is too small and very easy to deform.

Q: What are the different types of steel round bar surface finishes used in the aerospace industry?: Different steel round bar surface finishes are utilized in the aerospace industry to meet specific requirements and enhance component performance. Some commonly employed finishes include: 1. Smooth Finish: This basic finish involves leaving the steel round bar untreated, resulting in a smooth surface. It is used when no specific treatment is needed or further processing is required. 2. Polished Finish: By polishing the surface, the steel round bar gains an aesthetically pleasing, reflective appearance. This finish is ideal for enhancing the look of aerospace components visible to passengers or in the cabin area. 3. Shot Peened Finish: Employing small metal particles or beads to bombard the steel round bar surface, shot peening creates compressive stresses that improve fatigue resistance and reduce stress corrosion cracking risk. 4. Anodized Finish: Through electrochemical means, anodizing forms a protective oxide layer on the steel round bar's surface. This finish enhances corrosion resistance and allows for color addition or improved paint adhesion on aerospace components. 5. Passivated Finish: Passivation involves treating the steel round bar surface with an acid solution to remove impurities and develop a protective oxide layer. This finish enhances corrosion resistance, particularly in environments with moisture or chemical exposure. 6. Zinc or Nickel Plated Finish: Plating the steel round bar with zinc or nickel provides enhanced corrosion resistance, especially in harsh conditions. These finishes are commonly used for aerospace components exposed to saltwater or acidic environments. 7. Black Oxide Finish: A chemical conversion process forms a black protective layer on the steel round bar through black oxide coating. This finish offers increased corrosion resistance and provides an appealing black appearance to the component. 8. Chrome Plated Finish: Depositing a thin layer of chromium onto the steel round bar surface through chrome plating yields excellent wear resistance. This finish is suitable for aerospace components subjected to high friction or abrasion. These diverse steel round bar surface finishes in the aerospace industry serve various purposes, such as corrosion resistance, wear resistance, improved aesthetics, or fatigue resistance. The choice of the appropriate finish depends on the specific requirements and performance expectations of the aerospace component at hand.

Q: Are steel round bars suitable for the production of gears?: Yes, steel round bars are suitable for the production of gears. Steel is a common material used in gear manufacturing due to its high strength, durability, and resistance to wear and tear. The round bar shape allows for easy machining and shaping of the gear teeth. Steel round bars also provide excellent hardness and toughness, ensuring that the gears can withstand heavy loads and operate smoothly. Additionally, steel can be heat treated to further enhance its mechanical properties, making it an ideal choice for gear production.

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