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: Can steel round bars be used for making molds?: Steel round bars can be used for making molds, but it may not be the most common or ideal choice of material. Steel round bars are typically used for structural applications or as support components. When it comes to making molds, other materials such as silicone, aluminum, or even specific types of steel molds are typically preferred. These materials offer better heat resistance, flexibility, and ease of use for molding purposes. That being said, if the steel round bars are properly machined, shaped, and treated, they can still be used to create simple molds for certain applications. However, it is important to consider the specific requirements of the mold, including the material being molded, the temperature and pressure conditions, and the desired finish of the final product, before deciding on the use of steel round bars.

Q: What are the different surface treatments for steel round bars?: There are several different surface treatments available for steel round bars, each serving a specific purpose and providing unique benefits. Some of the most common surface treatments for steel round bars include: 1. Hot-dip galvanizing: This process involves immersing the steel round bars in a bath of molten zinc, which creates a protective coating that helps prevent corrosion and rusting. Hot-dip galvanizing is an effective treatment for steel round bars used in outdoor or corrosive environments. 2. Painting: Applying a coat of paint to the surface of steel round bars not only enhances their appearance but also provides a protective barrier against moisture and oxidation. Painting is commonly used for decorative purposes or when a specific color is desired. 3. Powder coating: Powder coating involves applying a dry powder to the steel round bars, which is then cured under heat to form a durable and attractive finish. This treatment offers excellent resistance to impact, chemicals, and UV rays, making it suitable for various applications. 4. Electropolishing: This process uses an electric current and an electrolyte solution to remove a thin layer of the steel round bars' surface, resulting in a smooth and shiny finish. Electropolishing improves the appearance and corrosion resistance of the steel, making it ideal for applications that require a high level of cleanliness and aesthetics. 5. Passivation: Passivation involves treating the steel round bars with an acid solution to remove any free iron or iron oxide from the surface, thus enhancing their corrosion resistance. Passivation is commonly used for stainless steel round bars to increase their longevity and prevent staining or rusting. 6. Shot blasting: Shot blasting is a mechanical surface treatment that involves bombarding the steel round bars with small steel balls or particles at high velocity. This process removes any surface contaminants, scale, or rust, resulting in a clean and roughened surface that improves adhesion for subsequent coatings or treatments. 7. Chrome plating: Chrome plating is a technique where a thin layer of chromium is electroplated onto the surface of steel round bars. This treatment provides excellent corrosion resistance, wear resistance, and a shiny appearance, making it suitable for applications that require durability and aesthetics. Overall, the choice of surface treatment for steel round bars depends on the specific requirements of the application, such as corrosion resistance, aesthetics, or wear resistance. It is important to carefully consider the intended use and environmental conditions before selecting the most appropriate surface treatment for steel round bars.

Q: Are steel round bars suitable for outdoor applications?: Yes, steel round bars are suitable for outdoor applications. Steel is known for its durability and strength, making it a popular choice for various outdoor structures and applications. Steel round bars are often used in construction, fencing, gates, outdoor furniture, and other outdoor structures due to their resistance to corrosion and weathering. Additionally, steel round bars can be painted or coated to further enhance their resistance to outdoor elements.

Q: How do I choose the right grade of steel round bar for my application?: To select the appropriate grade of steel round bar for your needs, it is crucial to carefully consider various factors. Here are some guidelines to assist you in making an educated decision: 1. Begin by understanding the specific requirements of your application. Take into account factors like load-bearing capacity, resistance to corrosion, temperature endurance, and any applicable industry regulations or standards. 2. Determine the mechanical properties necessary for your application. Depending on the specific use, you may require certain properties such as strength, hardness, toughness, or ductility. Prioritize these properties based on their significance to your application. 3. Assess the environmental conditions in which the steel round bar will be used. This includes factors like exposure to moisture, chemicals, high temperatures, or abrasive surroundings. Certain grades of steel offer better resistance to corrosion or heat, rendering them more suitable for specific conditions. 4. Seek guidance from experts if you are uncertain about the most suitable grade of steel for your application. Consult metallurgists, engineers, or suppliers who can provide valuable insights based on their expertise and experience. 5. Compare and contrast different grades of steel round bars available in the market once you have a clear understanding of your application requirements. Consider factors such as composition, manufacturing process, and specific properties associated with each grade. Look for grades that closely align with your requirements. 6. Review the industry standards and specifications to determine if any specific grades are mandated for your application. These standards can offer guidance and ensure compliance with safety and quality requirements. 7. Evaluate the cost-effectiveness of various grades by considering factors like initial purchase cost, maintenance and replacement expenses, and the overall lifespan of the steel round bar. 8. If possible, conduct tests or trials using different grades of steel round bars to assess their performance in your specific application. This will provide valuable data to aid your decision-making process. By following these steps and taking all relevant factors into account, you can efficiently and effectively select the appropriate grade of steel round bar that meets the demands of your application.

Q: What is the maximum elongation of steel round bars?: The maximum elongation of steel round bars may vary based on the particular grade and composition of the steel. Nonetheless, typically, the maximum elongation for steel round bars hovers around 20-30% of their original length. Consequently, these bars can stretch or elongate by up to 20-30% before reaching their breaking point or ultimate tensile strength. It is worth mentioning that this maximum elongation is influenced by several factors, including steel quality, manufacturing process, and any heat treatment employed on the bars. Therefore, it is advisable to refer to the manufacturer's specific specifications and consider the intended application of the steel round bars in order to establish the maximum elongation for a specific case.

Q: What are the different types of steel round bar alloys used in the construction industry?: In the construction industry, various steel round bar alloys are commonly utilized. The following are some of the most favored alloys: 1. Carbon Steel: This type of steel alloy is extensively employed in construction due to its exceptional strength and durability, enabling it to be used in a wide array of applications. 2. Stainless Steel: With its remarkable resistance to corrosion and staining, stainless steel is an ideal choice for construction projects that involve exposure to moisture or chemicals. It finds applications in handrails, kitchen equipment, and structural components. 3. Alloy Steel: This steel variant contains additional alloying elements like manganese, chromium, or nickel, which augment its mechanical properties. Alloy steel round bars are renowned for their high tensile strength, toughness, and wear resistance, making them suitable for heavy-duty applications. 4. Tool Steel: Designed specifically for manufacturing tools and machinery components, tool steel round bars are recognized for their hardness, resistance to abrasion, and ability to retain their shape at high temperatures. They are commonly utilized in the construction industry for fabricating cutting tools, dies, and molds. 5. Duplex Steel: This alloy combines the qualities of both austenitic and ferritic stainless steels. Duplex steel round bars offer excellent corrosion resistance, high strength, and good weldability. They are frequently employed in construction projects that necessitate a combination of strength and corrosion resistance, such as in marine or coastal environments. In summary, the selection of a steel round bar alloy in the construction industry hinges on the specific application and project requirements. Each alloy boasts distinct properties and advantages, enabling construction professionals to choose the most suitable option for their needs.

Q: Can steel round bars be used in the construction industry?: Yes, steel round bars are commonly used in the construction industry for various applications. They are often used as reinforcement in concrete structures, such as beams, columns, and slabs, to enhance their strength and durability. Steel round bars can also be used in the fabrication of structural components, such as trusses, frames, and supports, due to their high tensile strength and resistance to bending or breaking. Additionally, they can be employed in the construction of bridges, tunnels, buildings, and other infrastructure projects.

Q: What are the different grades of steel round bars available?: There are several grades of steel round bars available, including low carbon steel (mild steel), medium carbon steel, high carbon steel, alloy steel, stainless steel, and tool steel. Each grade has specific properties and characteristics that make them suitable for different applications and industries.

Q: How do steel round bars compare to brass or copper bars?: Steel round bars typically have higher tensile strength and are more resistant to corrosion compared to brass or copper bars. Additionally, steel is generally a more cost-effective option. However, brass and copper bars offer better electrical conductivity and are often preferred in applications that require good thermal conductivity or an aesthetically pleasing appearance. The choice between steel, brass, or copper bars depends on the specific requirements of the application.

Q: What are the advantages of using nickel-lead alloy steel round bars?: Nickel-lead alloy steel round bars offer numerous benefits: 1. Corrosion resistance is enhanced, making the bars suitable for use in industries dealing with harsh environments or corrosive substances. This ensures durability and reduces the need for frequent replacements. 2. The inclusion of nickel and lead enhances the strength and toughness of the bars, making them highly resistant to deformation, cracking, and wear under high-stress conditions. This allows them to withstand heavy loads and impacts. 3. Machinability is improved, enabling easy cutting, drilling, and shaping during fabrication processes. Efficient chip evacuation and reduced tool wear result in increased productivity and cost-effectiveness in manufacturing. 4. Thermal stability is excellent, making the bars suitable for high-temperature applications or extreme thermal cycling. They can withstand thermal expansion and contraction without significant dimensional changes, ensuring accuracy and structural integrity. 5. The addition of lead contributes to a low coefficient of friction, reducing wear and friction between the bars and other surfaces. This is valuable in applications where minimal wear and lubrication are crucial. 6. The bars possess good electrical conductivity, making them ideal for applications that require efficient electrical current flow, such as electrical connectors and circuit breakers. In conclusion, nickel-lead alloy steel round bars offer enhanced corrosion resistance, superior strength, improved machinability, thermal stability, low friction coefficient, and good electrical conductivity. These properties make them an excellent choice for various industries and applications.

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