HOT ROLLED ROUND BAR

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Loading Port:: China Main Port

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 available in custom sizes?: Yes, steel round bars are available in custom sizes.

Q:How are steel round bars used in the manufacturing of heat exchangers?: Steel round bars are commonly used in the manufacturing of heat exchangers due to their unique properties that make them suitable for this application. Heat exchangers are devices that transfer heat between two or more fluids, and steel round bars play a crucial role in their construction. One major use of steel round bars in heat exchangers is for the fabrication of the heat exchanger tubes. These tubes are responsible for carrying the fluids that need to be heated or cooled. Steel round bars are often used as the base material for these tubes due to their high strength and excellent heat transfer properties. The round shape of the bars allows for easy fabrication of the tubes, ensuring a tight and secure fit. Additionally, steel round bars are used to construct the headers and tube sheets of heat exchangers. The headers are the component that allows the fluid to enter and exit the heat exchanger, while the tube sheets hold the tubes in place. These components require high strength and durability to withstand the pressure and temperature differentials that occur during heat exchange. Steel round bars provide the necessary strength and stability to ensure the proper functioning of the heat exchanger. Furthermore, steel round bars are also used in the manufacturing of the support structures or frames of heat exchangers. These structures provide stability and support to the heat exchanger components and ensure proper alignment and positioning. Steel round bars offer excellent structural integrity and can withstand heavy loads, making them ideal for this purpose. In conclusion, steel round bars are an integral component in the manufacturing of heat exchangers. Their high strength, excellent heat transfer properties, and durability make them suitable for fabricating the tubes, headers, tube sheets, and support structures of heat exchangers. By utilizing steel round bars, manufacturers can ensure the efficiency, effectiveness, and longevity of heat exchangers in various industries, such as power generation, chemical processing, and HVAC systems.

Q:Can steel round bars be used in the manufacturing of heat exchangers?: Heat exchangers can indeed utilize steel round bars in their manufacturing process. Due to its exceptional strength and thermal conductivity, steel is frequently employed in the construction of heat exchangers. By shaping and welding steel round bars, a range of sizes and forms can be achieved, enabling the creation of crucial heat exchanger elements like tubes, headers, and baffles. Furthermore, the durability and corrosion resistance of steel make it an ideal choice for numerous industrial applications that demand efficient heat transfer.

Q:Can steel round bars be used in the manufacturing of marine propellers?: Indeed, the utilization of steel round bars is applicable in the production of marine propellers. Given its robustness, endurance, and ability to resist corrosion, steel stands as a frequently employed substance within the marine sector. By shaping and machining steel round bars, one can obtain propellers that possess the requisite strength and stability essential for marine purposes. Moreover, steel is capable of enduring the harsh conditions prevalent in saltwater environments, thereby rendering it suitable for implementation in marine propellers.

Q:How are steel round bars measured and specified?: Steel round bars are measured and specified based on their diameter. The diameter of a round bar is typically measured in millimeters (mm) or inches (in). The measurement is taken across the widest point of the circular cross-section. In terms of specification, steel round bars are commonly specified by their diameter and length. For example, a specification for a steel round bar may be written as "25mm diameter x 3 meters length". This means that the bar has a diameter of 25mm and a length of 3 meters. Additionally, steel round bars may also be specified based on their tolerance, surface finish, and grade. Tolerance refers to the allowable deviation from the specified diameter. Surface finish refers to the quality of the bar's surface, which can range from rough to smooth. Grade refers to the quality and composition of the steel used to make the round bar, such as mild steel, carbon steel, or alloy steel. It is important to accurately measure and specify steel round bars to ensure that they meet the required dimensions and properties for a particular application.

Q:What are the different types of steel round bar alloys used in the aerospace industry?: There are several different types of steel round bar alloys that are commonly used in the aerospace industry. These alloys are specifically designed to meet the demanding requirements of the aerospace sector, including high strength, corrosion resistance, and lightweight properties. 1. Stainless Steel: Stainless steel is one of the most popular alloys used in aerospace applications. It offers excellent corrosion resistance, high strength, and good heat resistance. This alloy is commonly used in aircraft components such as landing gear, fasteners, and engine parts. 2. Titanium Alloy: Titanium alloys are widely used in the aerospace industry due to their high strength-to-weight ratio. They offer excellent corrosion resistance, good fatigue strength, and can withstand high temperatures. Titanium alloys are commonly used in aircraft frames, engine components, and landing gear. 3. Aluminum Alloy: Aluminum alloys are lightweight and have good mechanical properties, making them suitable for aerospace applications. They offer good corrosion resistance and are often used in aircraft structures, wings, and fuselage components. 4. Nickel Alloy: Nickel alloys are known for their high strength and excellent resistance to extreme temperatures. They are commonly used in aerospace applications where resistance to heat, wear, and corrosion is critical, such as in turbine engines and exhaust systems. 5. High-Strength Low-Alloy (HSLA) Steel: HSLA steels are known for their high strength and good weldability. They offer good toughness and impact resistance, making them suitable for aerospace applications where strength and durability are essential, such as in landing gear and structural components. Overall, the aerospace industry utilizes a combination of these steel round bar alloys to meet the specific requirements of different components and applications. Each alloy offers unique properties that make it suitable for specific aerospace applications, ensuring the safety, reliability, and performance of aircraft in the highly demanding aerospace environment.

Q:Can steel round bars be used in the manufacturing of hydraulic components?: Indeed, the utilization of steel round bars is feasible for the production of hydraulic components. Owing to its robustness, endurance, and corrosion resistance, steel is widely employed in the fabrication of hydraulic components. By molding and machining steel round bars, an assortment of hydraulic components, including pistons, cylinders, valves, and fittings, can be manufactured. The adoption of steel round bars guarantees the capability of withstanding elevated pressures and maintaining optimal performance across diverse hydraulic systems.

Q:What is the maximum manganese content allowed for steel round bars?: The permissible manganese content for steel round bars may differ based on the grade or standard being adhered to. Generally, the manganese content in steel round bars is typically restricted to a maximum of approximately 1.65% by weight. This limitation is due to the adverse effects that higher manganese levels can have on the mechanical properties and weldability of the steel. Nevertheless, it is crucial to acknowledge that various industries or applications may establish their own specific requirements or allowances for manganese content in steel round bars. Hence, it is always advisable to refer to the relevant specifications or standards to ascertain the maximum manganese content permissible for a specific grade of steel round bars.

Q:Can steel round bars be used for making crankshafts?: Crankshafts can be made using steel round bars, which are known for their high strength, durability, and ability to withstand the stress and load of engine operation. Steel is a preferred material for crankshafts because it provides a solid and reliable foundation for the rotating assembly. The round shape of the bars allows for easy machining and shaping to achieve the desired crankshaft design. Furthermore, steel can be heat-treated to improve its mechanical properties, including hardness and fatigue resistance, making it perfect for the demanding conditions and high-performance needs of crankshafts in different engine applications.

Q:Are steel round bars suitable for the production of hydraulic cylinders?: Yes, steel round bars are suitable for the production of hydraulic cylinders. Steel round bars provide excellent strength, durability, and resistance to wear and tear, making them a reliable choice for hydraulic cylinder production. Additionally, their versatility allows for customization and various configurations to meet specific hydraulic system requirements.

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