HIGH QUALITY HOT ROLLED ROUND BAR Q235 ou Q195

HIGH QUALITY HOT ROLLED ROUND BAR Q235 ou Q195 System 1

HIGH QUALITY HOT ROLLED ROUND BAR Q235 ou Q195

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000000 m.t./month

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Round bar Details:

Brand Name: N-RIVER Place of Origin: Hebei, China Mainland Application: construction, building etcProduct 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

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

HIGH QUALITY HOT ROLLED ROUND BAR Q235 ou Q195

Q: What are the advantages of using steel round bars over other materials?: Steel round bars have numerous advantages compared to other materials: 1. Strength and durability: Known for their remarkable strength and durability, steel round bars are perfect for a wide range of applications. They can withstand heavy loads and resist deformation, making them ideal for structural purposes. 2. Versatility: Steel round bars offer tremendous versatility due to their various sizes, grades, and finishes. They can be easily customized to meet specific requirements, such as different lengths, diameters, and surface finishes. 3. Cost-effectiveness: Steel round bars provide a cost-effective solution when compared to other materials. They are readily available and affordable, thanks to their abundance and efficient manufacturing processes. Moreover, their high strength-to-weight ratio allows for the use of smaller quantities of steel without compromising strength. 4. Corrosion resistance: Steel round bars can be produced with different finishes, including galvanized or stainless steel, which enhances their resistance to corrosion. This enables them to be suitable for outdoor applications or environments where they may encounter moisture or chemicals. 5. Machinability: Steel round bars are highly regarded for their excellent machinability, allowing for easy cutting, drilling, or shaping according to specific design requirements. This characteristic promotes efficient processing and reduces production costs. 6. Fire resistance: Steel is inherently fire-resistant and does not contribute to the spread of flames. Consequently, steel round bars are the preferred choice in applications where fire safety is a concern, such as construction or industrial settings. 7. Recyclability: Steel is highly recyclable, making steel round bars an environmentally friendly option. They can be easily melted down and reused to create new steel products without compromising their properties or strength. In summary, the advantages of using steel round bars over other materials include their strength, durability, versatility, cost-effectiveness, corrosion resistance, machinability, fire resistance, and recyclability. These factors make steel round bars the preferred choice in various industries, including construction, manufacturing, automotive, and infrastructure projects.

Q: What are the quality control measures for steel round bars?: The quality control measures for steel round bars typically include visual inspection, dimensional checks, chemical composition analysis, mechanical testing, and surface finish evaluation. These measures help ensure that the round bars meet the required specifications and standards, guaranteeing their strength, durability, and overall quality.

Q: What is the maximum weight that can be lifted using a steel round bar as a lifting rod?: The maximum weight that can be lifted using a steel round bar as a lifting rod depends on various factors such as the diameter, length, and quality of the steel, as well as the strength and technique of the person lifting. It is difficult to provide an exact maximum weight without specific details, but steel round bars are commonly used for lifting heavy loads and can typically handle significant weight.

Q: Can steel round bars be used for shafting applications?: Indeed, shafting applications can make use of steel round bars. In industries like automotive, construction, and manufacturing, steel round bars are frequently employed as material for shafting. These bars possess impressive mechanical properties, durability, and high strength, enabling them to effectively transmit power and rotational motion in machines and equipment. Furthermore, steel round bars can be machined to precise dimensions, subjected to heat treatment for enhanced hardness, and coated to provide protection against corrosion. Moreover, they are obtainable in a variety of grades and alloys, catering to specific application requirements. In summary, due to their inherent strength and versatility, steel round bars are a dependable choice for shafting applications.

Q: What is the difference between a centerless ground and a polished steel round bar?: Both a centerless ground steel round bar and a polished steel round bar are types of steel bars that have undergone different finishing processes, resulting in unique qualities and characteristics. To produce a centerless ground steel round bar, the surface of the steel bar is ground using a specialized machine called a centerless grinder. This process effectively eliminates any imperfections or irregularities on the surface, resulting in a smooth and uniform finish. Additionally, the centerless grinding process ensures that the diameter of the bar remains consistent throughout its length. As a result, centerless ground steel round bars are ideal for applications that require precise dimensions and a smooth surface, such as machining operations or as a base material for further processing. On the contrary, a polished steel round bar is achieved through a polishing process, in which the surface of the steel bar is buffed and polished using abrasive materials. This process enhances the aesthetic appearance of the steel bar, giving it a shiny and reflective surface. Unlike centerless grinding, polishing does not involve the removal of material from the surface, but rather focuses on smoothing and refining it. As a result, polished steel round bars are commonly used in decorative applications, such as architecture, interior design, or as components in high-end furniture. In conclusion, the main distinction between a centerless ground steel round bar and a polished steel round bar lies in the finishing process. Centerless grinding focuses on achieving precise dimensions and a smooth surface, making it suitable for functional applications. On the other hand, polishing aims to enhance the visual appeal of the steel bar, making it more suitable for decorative purposes.

Q: Can steel round bars be anodized?: No, steel round bars cannot be anodized. Anodizing is a process that is specific to aluminum and its alloys.

Q: Can steel round bars be used in the production of shafts?: Yes, steel round bars can be used in the production of shafts. Steel round bars are often used as a raw material in the manufacturing process of shafts due to their strength, durability, and versatility. They can be machined or forged into the desired shape and size required for the shaft, and their inherent properties make them suitable for various applications such as automotive, machinery, and construction industries. Steel round bars offer excellent mechanical properties, including high tensile strength, good impact resistance, and resistance to corrosion, making them an ideal choice for shafts that require high load-bearing capacity and reliability. Additionally, steel round bars can be heat-treated to further enhance their strength and hardness, ensuring optimal performance and longevity of the shafts in various operating conditions.

Q: What are the limitations of steel round bars?: When selecting the appropriate material for a specific application, it is important to consider the limitations associated with steel round bars. Firstly, weight is a significant factor to consider. Steel round bars can be quite heavy, especially in larger diameters. This can pose challenges during transportation and installation, especially in situations where weight restrictions are a concern. Secondly, corrosion is another limitation of steel round bars. Although steel is known for its strength and durability, it is susceptible to rust and deterioration when exposed to moisture or certain chemicals. To mitigate this, protective coatings can be used or stainless steel round bars can be chosen as they are more resistant to corrosion. Thirdly, machinability is a challenge with steel round bars due to their high hardness and strength. This can result in increased tool wear, reduced cutting speeds, and longer machining times, leading to higher production costs. Cost is also an important consideration. Steel round bars, especially those made from high-quality alloys, can be relatively expensive compared to other materials. This cost factor may limit their use in applications with budget constraints. In terms of design flexibility, steel round bars come in standard sizes and shapes, which may restrict design options in some cases. Additional processing steps such as cutting or forging may be necessary to achieve a specific shape or size, adding to the overall production cost. Lastly, fatigue strength is a limitation of steel round bars. Although they have excellent strength properties, they can be prone to fatigue failure under repeated or cyclic loading. This is particularly relevant in applications where the material is constantly subjected to stress or vibration. Despite these limitations, steel round bars are still widely used in various industries due to their exceptional strength, reliability, and versatility. However, it is crucial to carefully consider these factors to ensure that the chosen material meets the specific requirements of the intended application.

Q: What are the typical yield strengths of different grades of steel round bars?: The typical yield strengths of different grades of steel round bars can vary greatly depending on the specific grade and its intended application. However, common grades such as A36, A572, and A514 typically have yield strengths ranging from 36,000 to 100,000 pounds per square inch (psi).

Q: Are steel round bars suitable for the manufacturing of shafts?: Yes, steel round bars are highly suitable for the manufacturing of shafts. Steel round bars offer excellent strength, durability, and resilience, making them ideal for applications that require transmitting power, such as in shafts. Their uniform shape and consistent diameter also facilitate ease of machining and assembly, further enhancing their suitability for shaft manufacturing.

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