Hot Rolled Iron Steel Round Bars in High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 40000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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OKorder is offering Hot Rolled Iron Steel Round Bars in High Quality at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to African, South American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Hot Rolled Iron Steel Round Bars in High Quality are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's Hot Rolled Iron Steel Round Bars in High Quality are durable, strong, and wide variety of sizes.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: Q195 – 235
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
Trademark | Rank | Chemical composition (quality score) % | |||||
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% | |||||
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 | |
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will arrange production. The normal sizes with the normal grade can be produced within one month. The specific shipping date is dependent upon international and government factors, the delivery to international main port about 45-60days.
Q4: How many tons of steel products could be loaded in containers?
A4: Usually the steel products are delivered by bulk vessel because of the large quantity and the freight. However, there are no bulk vessel enter some seaports so that we have to deliver the cargo by containers. The 6m steel product can be loaded in 20FT container, but the quantity is changed according to the size, usually from 18tons to 25tons.
Q5: what is the difference between actual weight and theoretical weight?
A5: All the section steel has two weights: actual weight and theoretical weight. Actual weight is the weighing out when the product delivered from the mill. Theoretical weight is calculated by pieces. The invoice can be based on each of them as your request.
Images:
- Q: What is the difference between common wire and high-speed wire?
- Round steel and other steel (wire line, PU) difference: 1 is not the same, round shape light round, no pattern without ribs, other steel surface appearance is engraved or ribbed, cohesive force that cause steel and concrete, and the bond strength of steel and concrete in the other. 2 ingredients are different, round steel (grade a steel) belongs to ordinary low carbon steel, and other steel bars are mostly alloy steel. 3 strength, steel and other steel with high strength low strength, namely, diameter of the same size as compared with other steel, round steel can bear the pulling force than other reinforced small, but the plastic steel reinforced bar is stronger than the other, there is a large deformation in the break before, and it reinforced the deformation the break before the much smaller.
- Q: Can steel round bars be cold worked?
- Yes, steel round bars can be cold worked. Cold working refers to the process of plastic deformation of a metal below its recrystallization temperature. This technique is commonly used to increase the strength and hardness of steel round bars. Cold working can be achieved through various methods such as cold rolling, cold drawing, or cold forging. These processes apply compressive forces to the steel, causing its shape to change without the need for heating. Cold working can result in improved mechanical properties, increased dimensional accuracy, and a smoother surface finish for steel round bars.
- Q: Can steel round bars be used for making electrical system components?
- Yes, steel round bars can be used for making electrical system components. However, they may not be the most common choice for such applications. Other materials like copper or aluminum are more often used due to their better electrical conductivity. Steel round bars can still be employed for certain electrical components where conductivity is not the primary concern, such as support structures or housings.
- Q: What are the specifications and standards for steel round bars?
- The specifications and standards for steel round bars vary depending on the intended use and industry requirements. However, there are some general specifications and standards that apply to most steel round bars. Firstly, the dimensions of steel round bars are typically specified in terms of diameter, length, and tolerance levels. The diameter can range from a few millimeters to several inches, and the length can vary as per the customer's needs. The tolerance levels indicate the allowable deviation from the specified dimensions and ensure the bars meet the desired accuracy and consistency. In terms of material composition, steel round bars are predominantly made from carbon steel, alloy steel, or stainless steel. The specific grade and composition of the steel will depend on the application, such as structural, construction, automotive, or aerospace. These grades are established by various organizations, such as the American Society for Testing and Materials (ASTM) or the International Organization for Standardization (ISO), and they define the chemical composition, mechanical properties, and other characteristics of the steel. Regarding mechanical properties, steel round bars must meet certain standards to ensure their strength, ductility, and resilience. These properties include tensile strength, yield strength, elongation, hardness, impact resistance, and more. The standards for these mechanical properties are specified by relevant organizations like ASTM or ISO, and they provide guidelines for manufacturers and users to ensure the bars are suitable for their intended applications. Surface finish is another important aspect of steel round bars. The standard surface finish options include black, peeled, ground, polished, or chrome-plated, among others. These finishes affect the appearance, corrosion resistance, and ability to withstand wear and tear. Furthermore, steel round bars may need to adhere to specific standards for heat treatment, such as annealing, quenching, or tempering, to enhance their mechanical properties or improve their machinability. Overall, the specifications and standards for steel round bars encompass dimensions, material composition, mechanical properties, surface finish, and heat treatment requirements. These standards ensure that steel round bars meet the necessary quality, performance, and safety criteria for their designated applications. It is crucial for manufacturers, suppliers, and end-users to be aware of these specifications and standards to ensure the appropriate selection and use of steel round bars.
- Q: Are steel round bars available in custom sizes?
- Indeed, one can find steel round bars in custom sizes. Steel manufacturers and suppliers have the capability to produce round bars according to precise size demands and specifications. It is possible to make requests for custom sizes based on the diameter, length, and overall dimensions of the round bar. Whether it is for a particular project or application, numerous steel manufacturers and suppliers provide the opportunity to tailor the size of round bars to cater to individual requirements.
- Q: Can steel round bars be used for shafts or axles?
- Yes, steel round bars can be used for shafts or axles. Steel round bars are commonly used in various industries, including automotive, machinery, and construction, for their strength, durability, and versatility. They are often chosen for shafts or axles due to their ability to withstand heavy loads, provide reliable support, and resist wear and tear. Steel round bars can be machined and heat-treated to meet specific requirements, making them suitable for use as shafts or axles in various applications where strength and reliability are crucial, such as in vehicles, industrial equipment, and rotating machinery.
- Q: What are the different treatments available for steel round bars?
- Depending on the desired properties and applications, there are several treatment options available for steel round bars. Some commonly used treatments are as follows: 1. Altering the mechanical properties of steel round bars can be achieved through heat treatment. This involves heating the bars to a specific temperature and then cooling them rapidly or slowly. By doing so, hardness, strength, toughness, and resistance to wear and corrosion can be improved. 2. To increase hardness, quenching can be employed. This entails rapidly cooling the heated steel round bars in a liquid medium, such as water or oil. Following quenching, tempering is carried out by reheating the steel to a lower temperature. This reduces brittleness and enhances toughness. 3. Surface hardening is a treatment method used to enhance the hardness of the outer layer of steel round bars while maintaining a tough and ductile core. Common techniques for surface hardening include carburizing, nitriding, and induction hardening. 4. Cold working involves deforming the steel at room temperature through processes like rolling, drawing, or extrusion. This treatment strengthens and increases the hardness of the steel round bars. Additionally, it improves dimensional accuracy and surface finish. 5. To enhance resistance to corrosion and wear, a protective coating can be applied to steel round bars. Zinc plating, galvanizing, and various types of paint or epoxy coatings are commonly used for this purpose. 6. Shot blasting is a treatment technique where small metallic or abrasive particles are shot at high speeds onto the surface of the steel round bars. This process removes contaminants, scale, and rust, resulting in a clean and polished surface. It is important to consider the specific requirements of the steel round bars and the intended application when choosing a treatment method. Consulting with experts or metallurgists is recommended to determine the most suitable treatment for a particular situation.
- Q: How do you determine the strength of a steel round bar?
- Various methods can be used to determine the strength of a steel round bar, including physical testing and material specifications. One commonly used method involves conducting a tensile test, where the bar is pulled until it breaks. This test helps determine the ultimate tensile strength (UTS) of the steel, which is the maximum stress it can handle before fracturing. The UTS is typically measured in units of force per cross-sectional area, such as pounds per square inch (psi) or megapascals (MPa). Another important strength property to consider is the yield strength. This is the stress level at which the steel starts to permanently deform, without any increase in load. The yield strength is crucial in assessing the structural integrity of the bar, as it indicates the maximum load it can bear without undergoing plastic deformation. In addition to physical testing, the strength of a steel round bar can also be determined by examining its material specifications. Steel manufacturers provide information about the composition and mechanical properties of their products. This includes details about the steel grade, which indicates the alloying elements present in the steel and their concentrations. Different steel grades have varying strength properties, which can help assess the strength of the round bar. It is important to consider that factors like heat treatment or surface conditions can also influence the strength of a steel round bar. Heat treatment processes, such as quenching and tempering, can enhance the strength and hardness of the steel. Additionally, surface conditions like coatings or treatments can improve corrosion resistance. To accurately determine the strength of a steel round bar, it is recommended to consult the material specifications provided by the manufacturer and, if necessary, conduct physical tests like tensile testing.
- Q: How are steel round bars used in the automotive industry?
- Steel round bars are commonly used in the automotive industry for a variety of applications due to their strength, durability, and versatility. One of the main uses of steel round bars in the automotive industry is for the production of crankshafts. Crankshafts play a crucial role in converting the reciprocating motion of the pistons into rotational motion, powering the vehicle. Steel round bars are ideal for this application as they offer high tensile strength, excellent fatigue resistance, and the ability to withstand high torque loads. Steel round bars are also used in the manufacturing of axles. Axles are responsible for transferring power from the engine to the wheels, supporting the weight of the vehicle, and providing stability. Steel round bars provide the necessary strength and rigidity required to handle the heavy loads and forces experienced by the axles. Additionally, steel round bars are utilized in the production of suspension components such as tie rods and sway bars. Tie rods are crucial for steering and maintaining proper alignment, while sway bars help to control body roll and improve handling. Steel round bars are preferred for these applications because they offer excellent torsional strength, allowing them to withstand the forces and stresses encountered during steering and suspension movements. Furthermore, steel round bars find use in the production of transmission shafts. Transmission shafts are responsible for transmitting power from the engine to the wheels via the gearbox. Steel round bars are well-suited for this application due to their high strength, resistance to bending, and ability to handle the rotational forces and torque generated by the engine. In summary, steel round bars are widely used in the automotive industry for various applications such as crankshafts, axles, suspension components, and transmission shafts. Their superior strength, durability, and versatility make them an ideal choice for these critical components, ensuring the safety, performance, and reliability of vehicles.
- Q: What are the different types of steel round bar coatings used in the marine industry?
- There are several different types of steel round bar coatings that are commonly used in the marine industry. These coatings are specifically designed to protect the steel from corrosion and other environmental factors that are prevalent in marine environments. Some of the most common types of steel round bar coatings used in the marine industry include: 1. Galvanized Coating: Galvanized steel round bars are coated with a layer of zinc. This coating provides excellent protection against corrosion and is highly durable. Galvanized coatings are commonly used in marine applications where the steel is exposed to saltwater and other corrosive elements. 2. Epoxy Coating: Epoxy coatings are widely used in the marine industry due to their excellent corrosion resistance and adhesion properties. These coatings are typically applied in multiple layers to ensure maximum protection. Epoxy coatings are effective in protecting steel round bars from saltwater, chemicals, and abrasion. 3. Polyurethane Coating: Polyurethane coatings are known for their exceptional resistance to UV rays, chemicals, and abrasion. They provide a high level of protection against corrosion in marine environments. Polyurethane coatings are commonly used in offshore structures and marine equipment where durability and long-term performance are crucial. 4. Organic Coatings: Organic coatings, such as acrylics and vinyls, are often used in the marine industry for their ability to provide a barrier against corrosion and environmental factors. These coatings are flexible, easy to apply, and resistant to UV radiation. They are commonly used in marine applications where aesthetics and color retention are important. 5. Ceramic Coating: Ceramic coatings offer exceptional resistance to high temperatures, chemicals, and abrasion. They provide a hard, protective layer on steel round bars, making them suitable for marine applications that involve high heat and harsh environments. It is important to note that the selection of the appropriate steel round bar coating depends on the specific requirements of the marine application. Factors such as the type of exposure, expected service life, and budget should be taken into consideration when choosing the most suitable coating for a particular marine project.
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Hot Rolled Iron Steel Round Bars in High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 40000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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