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: What is the standard length of a steel round bar?: The standard length of a steel round bar can vary depending on the specific industry and its intended use. However, in general, the standard length of a steel round bar is typically 20 feet or 6 meters. This length is commonly used in construction, manufacturing, and engineering applications. It is important to note that custom lengths can also be obtained, as per the requirements of a particular project or application.

Q: What are the different alloying elements used in steel round bars?: The different alloying elements commonly used in steel round bars include carbon, manganese, silicon, sulfur, phosphorus, chromium, nickel, molybdenum, vanadium, and sometimes tungsten. These elements are added in varying quantities to enhance specific properties of the steel, such as strength, corrosion resistance, and heat resistance.

Q: Can steel round bars be used for making suspension components?: Certainly! Suspension components can indeed be made using steel round bars. Due to its exceptional strength and durability, steel is widely employed in the production of suspension components. These round bars can be either machined or forged into different shapes and sizes, allowing them to fulfill the specific demands of control arms, sway bars, and tie rods. By utilizing steel round bars, suspension components become capable of enduring the forces and stresses experienced during vehicle operation, thus ensuring stability, control, and safety.

Q: Can steel round bars be used for making brake components?: Yes, steel round bars can be used for making brake components. Steel is a common material used in the manufacturing of brake components due to its high strength, durability, and resistance to heat and corrosion. Steel round bars can be machined and formed into various shapes required for brake components such as brake rotors, brake caliper brackets, or brake pedal levers.

Q: Can steel round bars be used in the defense industry?: Indeed, in the defense industry, steel round bars find utility. Steel, being a remarkably resilient and sturdy substance, proves fitting for diverse applications within the defense sector. The production of vital defense equipment, such as gun barrels, armor plates, missile casings, and other essential components, can be achieved using steel round bars. The durability of steel guarantees that these components endure high-pressure circumstances and furnish the essential safeguard and assistance demanded in defense applications. Moreover, steel round bars can be customized through machining, welding, or heat treatment to fulfill the distinct necessities of various defense systems, rendering them a material choice ideally suited for the industry.

Q: What is the difference between a hot-rolled and a cold-drawn steel round bar?: The main difference between a hot-rolled and a cold-drawn steel round bar lies in the manufacturing process. Hot-rolled steel round bars are formed by heating and rolling the steel at high temperatures, resulting in a rougher surface finish and less precise dimensions. On the other hand, cold-drawn steel round bars are formed by pulling the steel through a die at room temperature, resulting in a smoother surface finish and more precise dimensions. Cold-drawn steel round bars also tend to have improved mechanical properties and a higher strength-to-weight ratio compared to hot-rolled steel round bars.

Q: Are steel round bars magnetic?: Yes, steel round bars can be magnetic. The magnetic properties of steel depend on its composition and processing. Most commonly used steel alloys, such as carbon steel or stainless steel, contain iron as the main component. Iron is a ferromagnetic material, which means it can be magnetized. Therefore, steel round bars made from these alloys will exhibit magnetic properties. However, it is important to note that the strength of the magnetism can vary depending on the specific composition of the steel. Some stainless steel alloys, for example, have a lower magnetic permeability and may exhibit weaker magnetic properties compared to carbon steel.

Q: What is the maximum sulfur content allowed for steel round bars?: The maximum sulfur content allowed for steel round bars can vary depending on the specific grade and specification. In general, the sulfur content in steel is controlled to ensure good machinability and overall quality of the material. For most commercial grades of steel round bars, the maximum sulfur content is typically limited to around 0.05% to 0.08%. However, it is important to note that certain specialized grades or applications may have different limits or requirements. It is always advisable to consult the relevant standards or specifications for the specific grade of steel round bars to determine the maximum sulfur content allowed.

Q: How is a steel round bar made?: A steel round bar is made through a process called hot rolling, which involves heating a steel billet to high temperatures and then passing it through a series of rollers to shape it into a round bar. This process helps to improve the mechanical properties and surface finish of the steel bar, making it suitable for various applications in industries such as construction, manufacturing, and engineering.

Q: What are the advantages of using magnesium-alloy steel round bars?: One advantage of using magnesium-alloy steel round bars is their high strength-to-weight ratio. These bars offer excellent strength and durability while being lightweight, making them suitable for applications where weight reduction is crucial, such as in aerospace and automotive industries. Furthermore, magnesium-alloy steel round bars exhibit good corrosion resistance, which extends their lifespan and makes them ideal for outdoor and marine applications. Additionally, these bars can be easily machined and formed, allowing for flexibility in design and fabrication processes.

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