ROUND BAR HIGH QUALITY Q235

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Supply Capability:: -

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Round bar Details:

Minimum Order Quantity:		Unit:	m.t.	Loading Port:
Supply Ability:		Payment Terms:		Package:	Bundle

Product Description:

Wire Rod Q235 Details:

Minimum Order Quantity:	25 Tons	Unit:	m.t.	Loading Port:	XINGANG PORT,China
Supply Ability:	100,000 Tons Per Month	Payment Terms:	TT or LC

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 are the advantages of using silicon-alloy steel round bars?: Silicon-alloy steel round bars offer several benefits that make them a favorable choice. Firstly, their strength and durability are exceptional, making them suitable for heavy-duty applications. Their high tensile strength allows them to withstand heavy loads and resist deformation, ensuring reliability for mechanical and structural purposes. Secondly, these round bars exhibit excellent heat resistance. The presence of silicon in the alloy enhances their ability to handle high temperatures without compromising their structural integrity. This makes them ideal for applications that involve exposure to extreme heat, such as furnace components, exhaust systems, or high-temperature equipment. Furthermore, silicon-alloy steel round bars provide remarkable corrosion resistance. The inclusion of alloying elements like chromium and nickel creates a protective oxide layer on the surface, preventing corrosion and extending their lifespan. This makes them suitable for use in corrosive atmospheres and marine environments. Additionally, these round bars offer good machinability and weldability. Their ease of forming into various shapes and sizes makes them versatile for different manufacturing processes. Moreover, their weldability allows for easy fabrication and customization, making them convenient for numerous industries. Lastly, silicon-alloy steel round bars are cost-effective. In comparison to other high-performance alloys, they are relatively more affordable, making them a cost-effective option for applications that require strength, durability, heat resistance, and corrosion resistance. In conclusion, the advantages of silicon-alloy steel round bars encompass their excellent strength and durability, good heat resistance, corrosion resistance, machinability, weldability, and cost-effectiveness. These attributes establish silicon-alloy steel as a versatile and reliable material for various industrial applications.

Q:What are the advantages of using precipitation-hardening steel round bars?: There are several advantages of using precipitation-hardening steel round bars in various applications. Firstly, these bars offer exceptional strength and hardness, which makes them suitable for use in industries that require robust and durable materials. The precipitation-hardening process involves heat treatment, which increases the strength of the steel, making it highly resistant to wear, deformation, and fatigue. Secondly, precipitation-hardening steel round bars have excellent corrosion resistance properties. This makes them ideal for applications in marine environments or industries where exposure to harsh chemicals or corrosive substances is common. The steel's resistance to corrosion helps ensure the longevity and reliability of the components or structures made from it. Another advantage is the versatility of these bars. They can be easily machined, welded, and forged, allowing for flexibility in design and fabrication processes. This makes them suitable for a wide range of applications, including aerospace, automotive, construction, and oil and gas industries. Furthermore, precipitation-hardening steel round bars offer good dimensional stability. They have low rates of thermal expansion, meaning they retain their shape and size even under extreme temperature variations. This characteristic is particularly important in applications where dimensional accuracy and stability are crucial, such as precision engineering or tool manufacturing. Lastly, the availability of a wide range of grades and sizes of precipitation-hardening steel round bars makes it easier to find the most suitable option for specific requirements. Different grades offer varying levels of strength, toughness, and corrosion resistance, allowing for tailored solutions to meet different application needs. Overall, the advantages of using precipitation-hardening steel round bars include their exceptional strength, corrosion resistance, versatility, dimensional stability, and the availability of various grades. These advantages make them a preferred choice for many industries where high-performance and durable materials are essential.

Q:Can steel round bars be used in the production of fasteners?: Indeed, the utilization of steel round bars is feasible when fabricating fasteners. In the realm of fastener production, steel round bars serve as a prevalent raw material, employed in the manufacturing of an array of fasteners such as bolts, screws, nuts, and studs. The circular nature of steel bars facilitates the machining and forming procedures essential for the creation of threaded or non-threaded fasteners. Steel is a favored choice for fasteners due to its robustness, longevity, and resistance to corrosion. Furthermore, steel round bars can be readily subjected to heat treatment, enhancing their mechanical attributes and rendering them suitable for a vast array of fastening applications across multiple industries.

Q:What is the hardness of a steel round bar?: The hardness of a steel round bar can vary depending on the specific type of steel used and the manufacturing process, but it is typically measured on the Rockwell or Brinell hardness scales.

Q:Can steel round bars be used in the production of construction equipment?: Yes, steel round bars can be used in the production of construction equipment. Steel round bars are commonly used in the construction industry for various applications, including the manufacturing of heavy machinery, equipment components, structural frames, and supports. The high strength and durability of steel make it an ideal material for constructing robust and reliable construction equipment.

Q:Are steel round bars suitable for use in the automotive industry?: Yes, steel round bars are commonly used in the automotive industry due to their strength, durability, and versatility. They are used in various applications such as axle shafts, drive shafts, suspension components, and engine parts. The high tensile strength and resistance to wear make steel round bars ideal for handling heavy loads and enduring demanding conditions in vehicles.

Q:What is the difference between carbon steel and alloy steel round bars?: Carbon steel and alloy steel round bars are both widely used in various industries, but they differ in their composition and properties. Carbon steel round bars are primarily made up of iron and carbon, with trace amounts of other elements. The carbon content typically ranges from 0.05% to 2.0%, depending on the grade. These bars are known for their strength and hardness, making them suitable for applications that require high durability and wear resistance. Carbon steel round bars also have good machinability, meaning they can be easily shaped and formed into desired configurations. However, they may have limited corrosion resistance and may require additional protective coatings in corrosive environments. On the other hand, alloy steel round bars are made by adding various alloying elements to carbon steel. These alloying elements can include elements such as manganese, chromium, nickel, and molybdenum, among others. The addition of these elements enhances the properties of the steel, such as increased strength, toughness, and resistance to wear and corrosion. Alloy steel round bars are often chosen for applications that require specific properties, such as high temperature resistance, high strength-to-weight ratio, or improved machinability. In summary, the main difference between carbon steel and alloy steel round bars lies in their composition and resulting properties. Carbon steel round bars are primarily made up of iron and carbon, offering good strength and hardness, but may have limited corrosion resistance. Alloy steel round bars, on the other hand, have added alloying elements that enhance specific properties, such as increased strength, toughness, and corrosion resistance. The choice between carbon steel and alloy steel round bars will depend on the specific requirements of the application.

Q:How do you store steel round bars to prevent damage?: To store steel round bars and prevent damage, there are several important steps to follow. Firstly, it is crucial to keep the bars in a dry and well-ventilated area to avoid moisture buildup, which can lead to rusting. Moisture can also cause the bars to become brittle and weaken over time. Next, it is advisable to store the round bars horizontally rather than vertically. This prevents warping or bending due to the weight of the bars pressing down on each other. If vertical storage is necessary, it is essential to use appropriate racks or supports that evenly distribute the weight. It is also important to avoid stacking the bars too high, as excessive weight can cause deformation or collapse. If stacking is unavoidable, ensure sturdy supports are used and the weight is evenly distributed across the stack. Additionally, it is advisable to separate different sizes or types of steel round bars to prevent scratching or damage. This can be achieved by using separators or dividers to create distinct compartments for each type of bar. Lastly, regularly inspect the stored round bars for any signs of rust, corrosion, or damage. If any issues are detected, take necessary measures to address them promptly. This may involve applying rust inhibitors, cleaning the bars, or contacting professionals for further assistance. By following these storage guidelines, you can effectively protect steel round bars from damage and ensure their longevity and quality.

Q:What are the different surface treatments available for carbon steel round bars?: Carbon steel round bars have various surface treatments available, each serving a specific purpose and offering unique advantages. Some of the most commonly used treatments include: 1. Galvanizing: A layer of zinc is applied to the surface of the carbon steel round bar. This treatment provides exceptional corrosion resistance and significantly prolongs the steel's lifespan. 2. Black oxide coating: Also called blackening, this treatment creates a uniform, dark finish on the surface of the carbon steel round bar. Black oxide coatings offer mild corrosion resistance, improved lubricity, and a decorative appearance. 3. Chromium plating: By depositing a layer of chromium onto the carbon steel round bar's surface, typically through electroplating, this treatment enhances corrosion resistance, wear resistance, and provides a polished appearance. 4. Nitriding: Nitriding is a heat treatment process that diffuses nitrogen into the surface of the carbon steel round bar, resulting in a hard and wear-resistant layer. This treatment improves the steel's hardness and fatigue strength, making it suitable for applications requiring enhanced durability. 5. Phosphating: Phosphating is a chemical treatment that converts the surface of the carbon steel round bar into a layer of phosphate crystals. This treatment offers excellent corrosion resistance and enhances the adhesion of applied coatings or paints. 6. Powder coating: This treatment involves applying a dry powder to the surface of the carbon steel round bar, which is then cured under heat to form a protective coating. Powder coatings provide exceptional corrosion resistance, durability, and can be customized in various colors and finishes. These examples represent only a few of the available surface treatments for carbon steel round bars. The choice of treatment depends on the specific requirements of the application, such as corrosion resistance, wear resistance, aesthetics, and cost-effectiveness.

Q:What are the different joining methods for steel round bars?: There are several different joining methods that can be used for steel round bars, depending on the specific application and desired outcome. Some of the most common joining methods for steel round bars include welding, brazing, and mechanical joining. 1. Welding: Welding is a popular method for joining steel round bars. It involves melting the edges of the bars and fusing them together using heat. Various welding techniques such as arc welding, MIG welding, TIG welding, and spot welding can be used, depending on the thickness and type of steel being joined. Welding provides a strong and permanent bond, making it suitable for heavy-duty applications. 2. Brazing: Brazing is another method used to join steel round bars. It involves heating the bars and melting a filler metal that has a lower melting point than the steel. The molten filler metal is then drawn into the joint by capillary action, creating a strong bond when it solidifies. Brazing is often used when the base metals have different melting points or when a lower-temperature joining process is required. 3. Mechanical joining: Mechanical joining methods do not involve any heat or melting of the steel round bars. Instead, they rely on mechanical means to hold the bars together. Examples of mechanical joining methods include bolted connections, riveting, and clamping. These methods are often used when disassembly or adjustability is required, as they provide a non-permanent joint that can be easily undone. It is important to consider factors such as the strength requirements, environmental conditions, and the specific application when choosing a joining method for steel round bars. Each method has its own advantages and limitations, and the appropriate joining method should be selected to ensure a secure and durable bond between the round bars.

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