hot rolled round bar steel

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Product Description:

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: Can steel round bars be coated or plated?: Steel round bars can indeed be coated or plated, which is a prevalent method employed to augment the functionality and visual appeal of steel products. Numerous choices exist for coating and plating, including zinc plating, chrome plating, nickel plating, and powder coating. These procedures offer added defense against corrosion, enhance durability, and create the desired aesthetics for the steel. The selection of the appropriate coating or plating technique hinges upon the particular application and specifications of the steel round bars.

Q: The difference between 304 stainless steel round bar and bright round bar: Stainless steel rounds are not required on the surface. They may come with black leather. They may be pickling surfaces or cold drawn or polished surfaces;Stainless steel bright round steel refers to polished surface or cold drawn surface round steel.304 is the brand, and the surface quality has nothing to do with.

Q: What are the different types of steel round bars available in the market?: There are several different types of steel round bars available in the market, including mild steel round bars, carbon steel round bars, alloy steel round bars, stainless steel round bars, and tool steel round bars. Each type of steel round bar has its own specific properties and applications, making them suitable for various industries and purposes.

Q: What is the cost of steel round bars?: The cost of steel round bars can vary depending on factors such as the size, grade, and market conditions. It is recommended to contact suppliers or check online catalogs for the most accurate and up-to-date pricing information.

Q: Can steel round bars be used in the manufacturing of valves?: Valves can indeed be manufactured using steel round bars. The utilization of steel round bars in valve production is widespread owing to their remarkable attributes of strength, durability, and resistance to corrosion. These round bars can be skillfully machined and forged into diverse valve components, including stems, bodies, and discs. Furthermore, steel round bars offer exceptional mechanical properties, thereby guaranteeing the ability of valves to endure extreme pressure and temperature conditions. Another advantage is that steel round bars can be effortlessly welded or threaded to connect different valve parts. In conclusion, steel round bars emerge as a dependable and highly favored material option for the manufacturing of valves.

Q: What is the maximum length of a steel round bar?: The maximum length of a steel round bar can vary depending on several factors such as the diameter of the bar, the manufacturing capabilities of the steel supplier, and the transportation limitations. Generally, steel round bars are produced in standard lengths that range from 6 to 12 meters (20 to 40 feet). However, it is possible to manufacture longer bars through special processes or by joining multiple bars together using welding techniques. In some cases, steel round bars can be custom-made to exceed standard lengths, but this would require specific arrangements with the supplier and considerations for logistics and handling during transportation. Ultimately, the maximum length of a steel round bar is determined by practical limitations and the specific requirements of the project or application.

Q: What are the advantages of using boron-alloy steel round bars?: Using boron-alloy steel round bars in various applications offers several advantages. Firstly, compared to traditional carbon steel, boron-alloy steel has significantly higher strength. This increased strength enables the construction of lightweight and durable structures, reducing material costs and improving overall efficiency. Additionally, boron-alloy steel round bars exhibit excellent hardenability. This means they can be heat-treated to achieve desired properties such as increased hardness and wear resistance. This makes them ideal for demanding applications in industries like automotive and construction, where high strength and durability are necessary. Another advantage of boron-alloy steel round bars is their enhanced weldability. They can be easily welded without sacrificing their mechanical properties, allowing for seamless integration into various fabrication processes. This saves time and effort during assembly and ensures the structural integrity of the final product. Furthermore, boron-alloy steel round bars offer excellent resistance to abrasion and corrosion. This makes them suitable for use in harsh environments or applications where exposure to chemicals or moisture is common. The extended lifespan of the material reduces the need for frequent repairs or replacements, resulting in cost savings and improved productivity. Lastly, boron-alloy steel round bars are readily available and cost-effective compared to other high-strength steel alternatives. Their wide availability makes them a viable option for a range of applications, from manufacturing machinery to constructing infrastructure. In summary, the benefits of using boron-alloy steel round bars include higher strength and durability, improved hardenability, enhanced weldability, resistance to abrasion and corrosion, and cost-effectiveness. These advantages make them an excellent choice for various industries that require lightweight, strong, and long-lasting materials.

Q: Are steel round bars suitable for automotive applications?: Steel round bars are an ideal choice for automotive applications. Their exceptional strength, durability, and resistance to corrosion make them a popular choice in the manufacturing of various automotive components. These components include axles, crankshafts, drive shafts, steering components, suspension systems, and chassis construction. Steel round bars possess the necessary strength and rigidity to withstand the demanding conditions of automotive use, such as heavy loads, vibrations, and impact forces. Moreover, they offer versatility and adaptability to different automotive designs and requirements as they can be easily machined, welded, and forged. In summary, steel round bars are not only dependable but also cost-effective for automotive applications.

Q: What are the different standards for steel round bars?: There are several different standards for steel round bars, including ASTM A36, ASTM A105, ASTM A276, ASTM A479, and ASTM A572. These standards outline the specific requirements for the chemical composition, mechanical properties, and dimensions of steel round bars for various applications.

Q: What is the difference between a seamless and a welded steel round bar?: The main difference between a seamless and a welded steel round bar lies in their manufacturing processes. A seamless steel round bar is produced by piercing a solid cylindrical billet, while a welded steel round bar is created by welding together multiple pieces of steel. This results in a seamless bar having a smoother surface and uniform composition, making it stronger and more resistant to corrosion. On the other hand, a welded round bar may have visible seams due to the welding process, which can affect its strength and durability.

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