ROUND BAR HIGH QUALITY Q235

Ref Price:

Loading Port:: China Main Port

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: -

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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 quality control measures for steel round bars?: Steel round bars are subject to a series of inspections and tests to ensure that they meet the necessary standards and specifications. These measures play a vital role in guaranteeing the bars' structural integrity and reliability. Common quality control measures for steel round bars include: 1. Visual Inspection: Bars are visually examined to identify any surface defects like cracks, pits, or rust. This ensures that the bars have a smooth surface finish and are free from visible imperfections. 2. Dimensional Inspection: The diameter, length, and straightness of the bars are measured to ensure they adhere to the required tolerances. Any deviations from the specified dimensions can impact the bars' performance and compatibility in different applications. 3. Chemical Composition Analysis: Chemical composition analysis is carried out to confirm the percentage of various elements present in the steel. This analysis ensures that the bars possess the correct alloying elements in the proper proportions, which directly influence their mechanical properties and performance. 4. Mechanical Testing: Various mechanical tests are conducted to assess the bars' strength, hardness, and other mechanical properties. These tests may include tensile, impact, and hardness testing. They help determine if the bars meet the necessary durability and strength standards. 5. Ultrasonic Testing: Ultrasonic testing is often employed to detect internal defects such as voids, inclusions, or cracks within the steel round bars. This non-destructive testing technique utilizes high-frequency sound waves to identify flaws that may compromise the bars' structural integrity. 6. Surface Treatment Inspection: If the steel round bars undergo any surface treatments like heat treatment or coating, an inspection is conducted to ensure that these treatments are correctly applied and meet the required specifications. 7. Certification and Documentation: Quality control measures also encompass proper documentation and certification of the steel round bars. This ensures traceability and provides evidence that the bars have undergone the necessary inspections and tests, instilling confidence in customers regarding the product's quality. In summary, these quality control measures for steel round bars guarantee their high quality, compliance with necessary specifications, and suitability for their intended applications.

Q: Are steel round bars prone to deformation?: Steel round bars are generally not prone to deformation when they are properly manufactured and used within their intended limits. Steel is known for its high tensile strength and durability, making it resistant to bending or warping under normal circumstances. However, it is important to note that excessive force or improper handling can still cause deformation in steel round bars. Overloading, incorrect storage conditions, or inappropriate machining techniques can all contribute to bending or twisting of the bars. Therefore, it is crucial to follow recommended guidelines and industry standards to ensure the integrity and longevity of steel round bars.

Q: Are steel round bars available in different surface finishes?: Yes, steel round bars are available in different surface finishes. Some common surface finishes include hot rolled, cold drawn, polished, and coated finishes.

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 is the maximum temperature that steel round bars can withstand?: The maximum temperature a steel round bar can tolerate depends on the grade or type of steel used. In general, carbon steel can endure temperatures of up to approximately 1,482 degrees Celsius (2,700 degrees Fahrenheit) before its structural integrity starts to deteriorate. However, it is worth noting that the maximum temperature tolerance of steel can be altered by different alloying elements and manufacturing processes. For instance, stainless steel can withstand higher temperatures compared to carbon steel because of its increased resistance to oxidation and corrosion. Additionally, the duration of exposure to high temperatures must be taken into account, as prolonged heat exposure can cause the steel to soften and eventually fail. Therefore, it is crucial to refer to the manufacturer's specifications or seek professional advice to determine the maximum temperature a specific steel round bar can endure in a given application.

Q: Can steel round bars be used in the production of gears?: Yes, steel round bars can be used in the production of gears. Steel round bars are commonly used as raw material for manufacturing gears due to their high strength, durability, and excellent mechanical properties. They can be machined, heat treated, and shaped into the desired gear profiles, making them suitable for various applications in industries such as automotive, machinery, and manufacturing.

Q: How do steel round bars differ from steel square bars?: Steel round bars and steel square bars differ in their shape and cross-sectional design. While round bars possess a circular shape throughout their length, square bars have a square shape. This distinction affects their mechanical properties and applications. Round bars offer enhanced tensile strength and are often used in applications where rotational motion or bending is required, such as in construction, machining, and transportation industries. On the other hand, square bars provide more stability and structural support due to their flat sides, making them suitable for applications requiring load-bearing capabilities, like supports, frames, and braces. Ultimately, the choice between round bars and square bars depends on the specific requirements and intended use of the steel.

Q: Can steel round bars be used for making propeller shafts?: Yes, steel round bars can be used for making propeller shafts. Steel is a commonly used material for propeller shafts due to its strength, durability, and resistance to corrosion. Round bars, in particular, are often chosen for their shape, which provides optimal strength and load-bearing capabilities. The selection of steel grade and specific properties will depend on the requirements of the propeller shaft, such as the desired length, diameter, and torque capacity. Additionally, other factors like cost, weight, and manufacturability may also influence the choice of steel round bars for propeller shafts.

Q: How are steel round bars inspected for quality?: Steel round bars are inspected for quality through various methods to ensure that they meet the required standards. The inspection process typically involves both visual examination and testing procedures. Visual inspection is the first step in assessing the quality of steel round bars. Qualified inspectors visually examine the bars for surface defects such as cracks, scratches, dents, or any other irregularities that may affect the structural integrity or performance of the bars. Additionally, dimensional inspection is conducted to verify the diameter, length, straightness, and overall shape of the round bars. This is done using precision measuring instruments to ensure that the bars meet the specified tolerances and requirements. Aside from visual inspection, various testing methods are employed to evaluate the mechanical properties and chemical composition of the steel round bars. The most common testing procedures include: 1. Tensile Testing: This test measures the strength and ductility of the steel bars by subjecting them to tension until they fracture. It helps determine the ultimate tensile strength, yield strength, and elongation of the material. 2. Hardness Testing: It is performed to assess the hardness of the steel round bars, which is an indicator of its resistance to deformation or wear. The most commonly used methods for hardness testing are Rockwell, Brinell, and Vickers hardness tests. 3. Ultrasonic Testing: This non-destructive testing method uses high-frequency sound waves to detect any internal defects or discontinuities in the steel bars. It helps identify flaws such as cracks, inclusions, or voids that may negatively impact the material's quality. 4. Chemical Analysis: Steel round bars undergo chemical analysis to determine the chemical composition and ensure it meets the required specifications. This analysis helps verify the percentages of different alloying elements present in the steel, ensuring it has the desired properties. All these inspection methods are conducted by trained professionals or certified third-party inspectors who are knowledgeable about the specific industry standards and guidelines. By combining visual examination and precise testing techniques, the quality of steel round bars can be thoroughly assessed, ensuring they are fit for their intended applications.

Q: What is the maximum sulfur content allowed for steel round bars?: The allowed maximum sulfur content for steel round bars can vary depending on the specific grade and specification. Generally, the control of sulfur content in steel is essential to ensure the material's quality and good machinability. For most commercial grades of steel round bars, the maximum sulfur content is typically restricted to approximately 0.05% to 0.08%. Nevertheless, it is crucial to acknowledge that specific specialized grades or applications may possess distinct limits or requirements. It is advisable to refer to the appropriate standards or specifications for the specific grade of steel round bars to ascertain the maximum allowable sulfur content.

Send your message to us

*Email

*TEL

*Quantity

*Unit