Carbon steel round bar for construction System 1

Carbon steel round bar for construction

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 100000 m.t./month

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Product Description:

OKorder is offering carbon steel round bar for construction 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 European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

Carbon steel round bar 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 steel round bar RB are durable, strong, and resist corrosion.

Main Product Features:

· Premium quality

· Prompt delivery & seaworthy packing (30 days after receiving deposit)

· Corrosion resistance

· Can be recycled and reused

· Mill test certification

· Professional Service

· Competitive pricing

Product Specifications:

1. Grade: Q235, SS400, S235JR, A36

2. Sizes: Diameter: 6mm-150mm; Length: 6m, 9m, 12m or as customer’s request

3. Type: Mild steel; Low carbon steel

4. Shape: Round bar, solid bar of steel with circular section

5. Technique: Hot rolled or cold drawn

6. Mass: Mass(kg/m) = Diameter(mm)×Diameter(mm)×0.00617

Steel Type	Maximum forging temperature (°F / °C)	Burning temperature (°F / °C)
1.5% carbon	1920 / 1049	2080 / 1138
1.1% carbon	1980 / 1082	2140 / 1171
0.9% carbon	2050 / 1121	2230 / 1221
0.5% carbon	2280 / 1249	2460 / 1349
0.2% carbon	2410 / 1321	2680 / 1471
3.0% nickel steel	2280 / 1249	2500 / 1371
3.0% nickel–chromium steel	2280 / 1249	2500 / 1371
5.0% nickel (case-hardening) steel	2320 / 1271	2640 / 1449

Usage and Applications of Carbon Steel Round Bar

Carbon steel round bar is the most common form of steel because its price is relatively low while it provides material properties that are acceptable for many applications, more so than iron. It is often used when large quantities of steel are needed, for example as structural steel. The density of this product is approximately 7.85g/cm³ and the young's modulus, like all steels.

Packaging & Delivery of Carbon Steel Round Bar

Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)

Delivery Detail: 45 days

Trade terms: FOB, CFR, CIF

MOQ: 25 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.

Weight: The price invoicing on theoretical weight basis or actual weight basis depends on customer’s request.

Shipment: The shipment of bulk break or container is depends on customer’s request and the situation of the port of destination.

Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.

Production Flow of Carbon Steel Round Bar

1. The common processes are preheated forging quenching, dual refinement solution process, cooling quenching and isothermal quenching. We use heat treatment for dual refinement solution process. The main measures process is high temperature solution and refinement cycle. High temperature solution can improve the carbide morphology and particle size. The aim is to make the loop refinement ultrafine austenite grains.

2. EAF+LF+VD+ Forged+ Heat Treatment

FAQ：

Q1: How do we guarantee the quality of our products?

A1: 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.

Q2: What makes stainless steel stainless?

A2: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

Carbon steel round bar for construction RB

Q: Can steel round bars be used for making bicycle frames?: Yes, steel round bars can be used for making bicycle frames. Steel is a popular material choice for bicycle frames due to its strength, durability, and ability to absorb vibrations. Steel round bars can be easily shaped and welded to create a sturdy and reliable frame for bicycles.

Q: Can steel round bars be used for making turbine blades?: No, steel round bars cannot be used for making turbine blades. Turbine blades are subjected to high temperatures, extreme forces, and require high levels of durability and flexibility. Steel round bars do not possess the necessary properties to withstand these conditions. Turbine blades are typically made from materials such as titanium alloys or advanced composites that offer high strength-to-weight ratios, excellent fatigue resistance, and thermal stability. These materials are specifically engineered to withstand the demanding conditions of turbine operations, ensuring efficient and reliable performance.

Q: What are the different surface defects that can be found in steel round bars?: Some common surface defects that can be found in steel round bars include scratches, pits, cracks, scale, and decarburization.

Q: Can steel round bars be heat treated to enhance their properties?: Yes, steel round bars can be heat treated to enhance their properties. Heat treatment is a process of heating and cooling the steel in a controlled manner to alter its microstructure, which in turn improves its mechanical properties such as strength, hardness, toughness, and ductility. There are several heat treatment methods that can be applied to steel round bars, depending on the desired outcome. One common method is quenching and tempering. In this process, the steel is heated to a high temperature to form a uniform austenitic structure, and then rapidly cooled by quenching it in a medium such as oil or water. This rapid cooling transforms the austenite into a harder and stronger structure called martensite. However, martensite can be brittle, so the steel is then tempered by reheating it to a lower temperature, which reduces the brittleness and increases toughness while maintaining the desired hardness. Another heat treatment method is annealing, where the steel is heated to a specific temperature and then slowly cooled to relieve internal stresses and improve ductility. This process can also refine the grain structure of the steel, resulting in improved machinability and formability. In addition, there are other heat treatment methods such as normalizing, stress relieving, and case hardening, each designed to enhance specific properties of the steel round bars. Overall, heat treatment is a versatile and effective technique to enhance the properties of steel round bars, allowing them to meet specific requirements for various applications in industries such as manufacturing, construction, automotive, and aerospace.

Q: What are the different methods of cutting steel round bars?: Cutting steel round bars can be achieved through several methods, each with their own advantages and limitations. Among the commonly utilized techniques are: 1. Abrasive cutting: By utilizing a rotating abrasive wheel, the steel round bar can be ground down. Despite its speed and efficiency, this method often results in a rough cut surface and generates significant heat. 2. Bandsaw cutting: Steel round bars can be sliced using bandsaw machines, which feature a continuous band of toothed metal rotating around two wheels. Although bandsaws provide precise and smooth cuts, they tend to be slower compared to alternative methods. 3. Cold saw cutting: Cold saws are designed specifically for cutting metal, including steel round bars. These saws employ circular blades with teeth that are specially crafted to withstand the hardness of steel. While cold saws guarantee clean and accurate cuts, they generally operate at a slower pace than abrasive or bandsaw cutting. 4. Plasma cutting: Ideal for thicker steel round bars, plasma cutting involves using a focused jet of ionized gas to melt and remove the metal. This method yields precise and clean cuts, but necessitates specialized equipment and can be more costly than other techniques. 5. Laser cutting: Laser cutting employs a high-powered laser beam to melt and vaporize the metal, resulting in precise and clean cuts. This versatile method can be utilized for steel round bars of varying thicknesses, but it does require expensive equipment and may not be suitable for all applications. Ultimately, the chosen cutting method relies on several factors, including the thickness and hardness of the steel round bar, the desired cut quality, the availability of equipment, and the specific project requirements.

Q: Can steel round bars be heat treated to improve their mechanical properties?: Steel round bars can undergo heat treatment to enhance their mechanical properties. Heat treatment involves heating the steel to a specific temperature, maintaining it at that temperature for a certain duration, and then cooling it rapidly or slowly. This process can modify the microstructure of the steel, resulting in changes to its hardness, strength, toughness, and other mechanical properties. Various types of heat treatment processes can be applied to steel round bars, depending on the desired outcome. For instance, annealing is a process that entails heating the steel to a specific temperature and subsequently cooling it gradually. This method helps alleviate internal stresses in the steel, enhance its ductility, and facilitate machining. Another commonly used heat treatment process is quenching and tempering. This involves heating the steel to a specific temperature and rapidly cooling it, often by immersing it in an oil or water quenching medium. This swift cooling process helps strengthen the steel, making it more resistant to wear and abrasion. Following quenching, the steel is typically tempered by reheating it to a lower temperature, reducing its brittleness and improving its toughness. In addition to annealing and quenching and tempering, other heat treatment processes such as normalizing, case hardening, and precipitation hardening can also be employed to enhance the mechanical properties of steel round bars. These processes involve different heating and cooling techniques, and are utilized to achieve specific outcomes based on the desired properties of the steel. Overall, heat treatment is a versatile and effective approach for improving the mechanical properties of steel round bars. By carefully controlling the heating and cooling process, significant improvements in hardness, strength, toughness, and other properties can be achieved, rendering the steel suitable for a wide range of applications.

Q: Are steel round bars used in the construction industry?: Yes, steel round bars are commonly used in the construction industry. They are often used as structural elements, such as reinforcement in concrete structures, as well as in the fabrication of various components and fittings.

Q: How do steel round bars compare to fiberglass round bars?: Steel round bars and fiberglass round bars have different properties and characteristics, making them suitable for different applications. Steel round bars are known for their high strength and durability, making them ideal for heavy-duty applications such as construction, machinery, and automotive industries. They have a higher tensile strength and can withstand more stress and load compared to fiberglass round bars. On the other hand, fiberglass round bars are lighter in weight, have excellent corrosion resistance, and are non-conductive, making them suitable for applications that require electrical insulation or resistance to chemicals. Ultimately, the choice between steel and fiberglass round bars depends on the specific requirements of the project or application.

Q: How many meters is the minimum loading surface of galvanized steel wire for grounding grid?: Refers to the galvanized flat steel width 12-300mm, thickness 4-60mm, cross section is rectangular and with pure edge of galvanized steel. Galvanized flat steel can be finished steel, also can be galvanized pipe blank and galvanized belt. With high strength, light structure: strong grid welding structure, so that it has high load, light structure, easy lifting and other features, beautiful appearance, durable.Galvanized flat steel can be used to produce iron, tools and mechanical parts, and is used as frame structures and escalators for buildings.