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

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 20000000 m.t./month

Inquire Now

Customer Service

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:

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:How are steel round bars used in the construction of tunnels and underground structures?: Steel round bars are commonly used in the construction of tunnels and underground structures as reinforcement for concrete. These bars are placed within the concrete to provide strength and stability, preventing the structure from cracking or collapsing under pressure. The steel round bars also enhance the overall durability and load-bearing capacity of the tunnel or underground structure, ensuring its long-term structural integrity.

Q:20 round bars are of several grades: 20 round bars may be grade two steel.

Q:What is the maximum manganese content allowed for steel round bars?: The maximum manganese content allowed for steel round bars can vary depending on the specific grade or standard being followed. In general, the manganese content in steel round bars is typically limited to a maximum of around 1.65% by weight. This is because higher levels of manganese can negatively impact the mechanical properties and weldability of the steel. However, it is important to note that different industries or applications may have their own specific requirements or allowances for manganese content in steel round bars. Therefore, it is always advisable to consult the relevant specifications or standards to determine the maximum manganese content allowed for a particular grade of steel round bars.

Q:How are steel round bars used in the mining industry?: The mining industry extensively utilizes steel round bars for various purposes. Underground support systems heavily rely on these bars, commonly employed as roof bolts or rock bolts, to prevent cave-ins or roof falls. In the manufacturing of drilling equipment, steel round bars are frequently transformed into drill rods or drill bits. This conversion allows them to endure the challenging conditions associated with mining operations. The bars are typically subjected to heat treatment to enhance hardness and resistance to wear, ensuring their durability during drilling processes. Within the mining field, steel round bars have another significant application in the production of grinding media for grinding mills. Termed grinding rods, these bars consist of high-quality steel and possess specific hardness and toughness. Their function is to effectively reduce ore particles into smaller sizes, facilitating the extraction of valuable minerals. Furthermore, steel round bars contribute to the construction of conveyor systems in mining operations. They are commonly employed as support bars or rollers in conveyor belts, ensuring the efficient transportation of mined materials from one location to another. To summarize, steel round bars hold a crucial position in the mining industry. Their diverse applications, ranging from providing support in underground mines to manufacturing drilling equipment and grinding media, contribute to the overall efficiency and productivity of mining operations.

Q:Are steel round bars suitable for outdoor sculptures?: Indeed, outdoor sculptures can be made with steel round bars. Steel, being a resilient and robust substance, can endure severe weather conditions, including rain, snow, and extreme temperatures. It possesses resistance against corrosion, making it an ideal option for outdoor applications. The malleability of steel round bars allows for effortless shaping and welding, enabling the creation of intricate and elaborate sculptures. Furthermore, steel can be coated with diverse finishes, such as powder coating or paint, to provide additional protection against the elements and enhance its aesthetic appeal. In summary, steel round bars offer the requisite strength, durability, and adaptability necessary for outdoor sculptures.

Q:What are the advantages of using maraging steel round bars?: Using maraging steel round bars in various applications offers several benefits. Firstly, these bars possess an impressive strength-to-weight ratio, making them ideal for situations where strength is crucial. They can withstand high stress and load-bearing conditions without deforming or failing, ensuring structural integrity. Secondly, maraging steel round bars exhibit exceptional toughness, enabling them to absorb significant amounts of energy before fracturing. This toughness makes them highly resistant to cracking or breaking, even under extreme conditions, enhancing their durability and reliability. Additionally, maraging steel round bars are known for their outstanding corrosion resistance. Unlike other types of steel, they are less prone to rust and oxidation, making them suitable for use in harsh environments or where exposure to moisture or chemicals is a concern. This corrosion resistance helps extend the lifespan of the bars and reduces maintenance costs. Furthermore, maraging steel round bars are relatively easy to machine, despite their high strength and hardness. They can be easily shaped, drilled, and cut into different forms and sizes, allowing for versatile applications across various industries. This ease of machining saves time and effort during the manufacturing process. Moreover, maraging steel round bars have excellent heat treatability, meaning they can be hardened and tempered to further enhance their mechanical properties. This flexibility in heat treatment allows for customization to meet specific project requirements, such as achieving desired hardness levels or improving characteristics like wear resistance or toughness. Lastly, maraging steel round bars are widely used in the aerospace and defense industries due to their exceptional strength, toughness, and corrosion resistance. They are commonly utilized in the manufacturing of critical components such as landing gear, missile casings, and aircraft structures, where reliability and performance are paramount. In conclusion, the advantages of using maraging steel round bars include high strength, superior toughness, corrosion resistance, machinability, heat treatability, and suitability for aerospace and defense applications. These properties make them the preferred choice for demanding industries, ensuring optimal performance and longevity in critical applications.

Q:What are the different types of steel round bars used in the agricultural sector?: In the agricultural sector, there are several types of steel round bars that are commonly used due to their strength, durability, and versatility. These bars play a crucial role in various agricultural applications. 1. Mild Steel Round Bars: Mild steel is one of the most widely used types of steel in the agricultural sector. It offers excellent strength and is relatively low in cost. Mild steel round bars are commonly used in the construction of agricultural equipment, such as plows, cultivators, and harrows. 2. Carbon Steel Round Bars: Carbon steel round bars are known for their high strength and toughness. They can withstand heavy loads and are ideal for applications that require superior durability. Carbon steel round bars are commonly used in the manufacturing of tractor parts, tillage tools, and other heavy-duty agricultural machinery. 3. Alloy Steel Round Bars: Alloy steel round bars are made by adding various alloying elements to steel, such as chromium, nickel, or molybdenum. These elements enhance the strength, hardness, and corrosion resistance of the steel. In the agricultural sector, alloy steel round bars are often used in the manufacturing of high-performance components, such as gears, axles, and shafts. 4. Stainless Steel Round Bars: Stainless steel round bars are highly resistant to corrosion and have excellent mechanical properties. They are commonly used in agricultural applications that require resistance to moisture, chemicals, and harsh environments. Stainless steel round bars are often utilized in the manufacturing of dairy equipment, storage tanks, and irrigation systems. 5. Tool Steel Round Bars: Tool steel round bars are specifically designed to withstand high temperatures, abrasion, and impact. They are used in agricultural applications that involve cutting, shaping, or drilling. Tool steel round bars are commonly used in the production of blades, cutting tools, and machinery parts for crop harvesting and processing. It is important to consider the specific requirements and conditions of each agricultural application when selecting the appropriate type of steel round bar. By choosing the right steel round bar, farmers and agricultural professionals can ensure the reliability and longevity of their equipment and machinery.

Q:Why is round steel more expensive than thread steel?: Threaded steel should be used in the construction field, there are generally two, three grade steel, grade HRB335, HRB400 also has four grades, HRB500 thread steel. Steel is divided by tolerance standard of gb. You say there is no comparable price between round bar and screw thread

Q:What are the advantages of using creep-resistant steel round bars?: The advantages of using creep-resistant steel round bars include: 1. Enhanced strength and durability: Creep-resistant steel has high tensile strength and excellent resistance to deformation at elevated temperatures, making it suitable for applications in high-stress environments. 2. Increased safety: Creep-resistant steel round bars can withstand high temperatures without significant deformation, ensuring structural integrity and preventing failures in critical applications. 3. Extended service life: The resistance to creep deformation allows these round bars to maintain their shape and strength over an extended period, resulting in longer service life and reduced maintenance costs. 4. Versatile applications: Creep-resistant steel round bars are used in various industries, including power generation, oil and gas, petrochemical, and aerospace, due to their ability to withstand high temperatures and stress. 5. Cost-effectiveness: Although creep-resistant steel may have a higher initial cost compared to other materials, its extended service life, reduced maintenance requirements, and improved safety make it a cost-effective choice in the long run.

Q:How do you calculate the bending stress in a steel round bar?: In order to determine the bending stress in a steel round bar, one must take into account the applied load and the properties of the bar. The bending stress is a measurement of the internal forces that arise within the bar when it is subjected to an external load that causes it to bend. The bending stress can be calculated using the following formula: σ = (M * c) / I In this equation: - σ denotes the bending stress, measured in units of force per unit area (such as pascals or psi) - M represents the bending moment, which is the result of multiplying the applied load by the distance from the bar's neutral axis to the point of interest. It is typically expressed in units of force multiplied by distance (e.g., N·m or lb·ft). - c signifies the distance from the neutral axis to the outermost fiber of the bar. It is also referred to as the distance to the extreme fiber or the radius of the bar. - I symbolizes the moment of inertia, which portrays the bar's resistance to bending. It is a property that relies on the shape and dimensions of the bar's cross-section. To calculate the moment of inertia for a round bar, the formula is as follows: I = (π * d^4) / 64 In this equation: - I denotes the moment of inertia - π represents a mathematical constant (approximately 3.14159) - d signifies the diameter of the round bar Once the bending stress has been determined using the aforementioned formulas, it can be compared to the yield strength of the steel material to evaluate the safety factor and ascertain whether the bar will experience permanent deformation or failure.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range