Carbon Structural Steel Square Bars SAE1018CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 120000 m.t./month
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Carbon Structural Steel Square Bars SAE1018CR
Product Specifiction
1, Chemical Composition %
| Grade | C | Si | Mn | S | P | Cr | Ni | Cu |
| SAE1020CR | 0.15-0.20 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 | ≤0.25 | ≤0.25 | ≤0.25 |
2, Mechanical Properties
| Strength of Extension σb | Yield Strength σs | Elogation δ5 | Reduction of Area ψ | Hardness |
| ≥410(42) Mpa | ≥245(25) Mpa | ≥25 % | ≥55 % | ≤156HB |
Application
Carbon steel applies to chemical industry, shipping industry,manufacturing industry, construction, decorate industry, electric power, pump shafts, sanitary wares, furniture handles, boiler, high temperature resistant, low temperature resistant, corrosion resistant.
Product Main Points
1, Heat Treatment: normalizing, annealing, tempering, quenching
2, Surface Treatment: black, grinding, bright, polish
3, Product Process: hot rolled, cold drawn, forged
FAQ
1, Payment Terms:
30% T/T deposit & 70% T/T before delivery.
Irrevocable L/C at sight
2, Trade Terms:
EXW, FOB, CIF, CNF
3, Delivery Time:
Normally 30-40 days. According to quantity.
4, Manufacture or Trading Company:
CNBM is a state-owned fortune global 500 trading company. We have intergrated supply system.
There are about 20 overseas locations in different countries.
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- Q: What are the common alloying elements used in steel round bars?
- Steel round bars commonly contain alloying elements such as carbon, manganese, silicon, sulfur, and phosphorus. Carbon, the most significant alloying element, is responsible for the steel's strength and hardness. It enhances overall performance, increasing durability and resistance to wear and tear. Manganese, another crucial element, improves hardenability and strength while reducing brittleness and increasing toughness. Silicon is added to enhance the steel's resistance to oxidation, while small amounts of sulfur and phosphorus improve machinability. These alloying elements collaborate to produce steel round bars with specific properties suitable for various applications in industries such as construction, automotive, and manufacturing.
- Q: Is the shear wall concealed column stirrup steel or round steel?
- Round bar is the finished steel hot rolling and cooling, by ordinary low carbon steel and alloy steel under the condition of high temperature pressing, mainly used for reinforcement of reinforced concrete and prestressed concrete structure, is one of the varieties of steel used in civil engineering in the largest amount.
- Q: Are steel round bars suitable for use in the automotive industry?
- Indeed, the automotive industry finds steel round bars to be a fitting option. Steel round bars possess numerous advantages that render them an ideal choice for automotive applications. Primarily, steel round bars exhibit exceptional strength and durability, which are vital characteristics for automotive components that must endure significant levels of stress and impact. The high tensile strength of steel guarantees that these components can handle the demanding conditions of the automotive industry, including heavy loads and harsh environments. Additionally, steel round bars offer favorable machinability, enabling them to be easily shaped and fabricated into a variety of automotive parts. This versatility is crucial for producing components with intricate geometries, such as crankshafts, axles, and suspension parts. Furthermore, steel round bars present superior dimensional stability, ensuring that automotive parts retain their shape and performance over time. This is particularly crucial for critical components that must meet precise specifications and tolerances. Moreover, steel round bars boast excellent heat resistance, allowing them to be used in applications that involve high temperatures, such as engine components and exhaust systems. The thermal stability of steel ensures that these parts can operate efficiently and reliably under extreme heat conditions. Furthermore, steel is readily available and cost-effective when compared to other materials, making it an appealing option for the automotive industry. The abundance of steel resources and the well-established manufacturing processes contribute to its affordability, making it a practical choice for mass production. In conclusion, steel round bars are highly suitable for use in the automotive industry due to their strength, durability, machinability, dimensional stability, heat resistance, and cost-effectiveness. These qualities make steel round bars an excellent choice for various automotive components, thereby enhancing the overall performance, safety, and longevity of vehicles.
- Q: What is the difference between a bright and a cold finished steel round bar?
- Two distinct types of steel bars are the bright steel round bar and the cold finished steel round bar. These bars differ in their manufacturing processes and resulting characteristics. The bright steel round bar, also known as a turned or polished bar, undergoes a process called turning or polishing. During this process, a lathe machine rotates the rough steel bar while a cutting tool removes its outer layer. This results in a smooth and shiny surface, enhancing the bar's appearance, dimensional accuracy, and surface finish. Bright steel round bars are commonly used in applications where aesthetics and a high-quality surface finish are important, such as architectural components, decorative items, and certain automotive parts. On the other hand, the cold finished steel round bar undergoes a different manufacturing process called cold drawing or cold rolling. This process involves passing the hot-rolled steel bar through a series of dies at room temperature. As a result, the bar's diameter is reduced while its length is increased. This cold working process improves the mechanical properties of the steel bar, including increased tensile strength, improved yield strength, and enhanced dimensional accuracy. Cold finished steel round bars are often used in applications that require high strength and precision, such as shafts, gears, bolts, and tools. In conclusion, the main distinction between the bright steel round bar and the cold finished steel round bar lies in their manufacturing processes and resulting characteristics. The bright steel round bar is turned or polished to achieve a smooth and shiny surface, while the cold finished steel round bar undergoes cold drawing or rolling to enhance its mechanical properties and dimensional accuracy. The choice between these two types of steel bars depends on the specific requirements of the application, such as the need for aesthetics, surface finish, strength, or precision.
- Q: How do steel round bars compare to aluminum round bars?
- Steel round bars and aluminum round bars have several key differences in terms of their properties and applications. Strength and durability: Steel round bars are generally stronger and more durable than aluminum round bars. Steel has a higher tensile strength and can withstand higher loads and stresses compared to aluminum. This makes steel round bars suitable for heavy-duty applications where strength and durability are critical, such as construction projects or manufacturing machinery. Aluminum round bars, on the other hand, are less strong and more prone to bending or breaking under heavy loads, so they are typically used in lighter applications or where weight savings are important. Weight: Aluminum round bars are significantly lighter than steel round bars. This makes aluminum a popular choice in industries where weight is a crucial factor, such as aerospace or automotive manufacturing. The lightweight nature of aluminum round bars also makes them easier to handle and transport. Corrosion resistance: Aluminum round bars have excellent corrosion resistance due to the formation of a protective oxide layer on their surface. This oxide layer acts as a barrier, preventing further corrosion and making aluminum ideal for outdoor applications or in environments with high humidity or exposure to chemicals. Steel round bars, on the other hand, are more prone to rust and corrosion, so they require protective coatings or treatments to enhance their resistance to corrosion. Cost: Steel round bars are generally more cost-effective compared to aluminum round bars. Steel is a widely available and commonly used material, making it more affordable in most cases. Aluminum, on the other hand, is more expensive due to its production process and the higher energy requirements involved. Thermal conductivity: Aluminum round bars have excellent thermal conductivity, meaning they can efficiently transfer heat. This makes them suitable for applications where heat dissipation is crucial, such as heat sinks or electrical conductors. Steel round bars, while conducting heat to some extent, have lower thermal conductivity compared to aluminum. In summary, steel round bars are stronger, more durable, and cost-effective, making them suitable for heavy-duty applications. Aluminum round bars, on the other hand, are lighter, have excellent corrosion resistance, and superior thermal conductivity, making them ideal for lightweight applications and industries where weight savings or heat dissipation are critical. Ultimately, the choice between steel and aluminum round bars depends on the specific requirements of the application.
- Q: Can steel round bars be threaded?
- Steel round bars have the capability to be threaded, which involves cutting threads onto the surface of the cylindrical object in order to create a screw-like shape. This enables the bar to be securely fastened into a corresponding threaded hole or to be joined with another threaded component. Threading can be accomplished through various methods, such as manual threading with a die or by employing machine tools like lathes or thread rolling machines. The specific technique utilized depends on the desired thread size and type. However, it is vital to recognize that not all steel round bars are compatible with threading, as the steel's material composition and hardness can impact the threading process. As a result, it is advisable to seek guidance from a professional or someone experienced to ensure the steel round bar is appropriate for threading and to determine the most suitable threading approach.
- Q: What are the advantages of using nickel-chromium-cobalt alloy steel round bars?
- There are several advantages of using nickel-chromium-cobalt alloy steel round bars. Firstly, this type of alloy steel has excellent corrosion resistance properties. It can withstand extreme environments, such as high temperatures, humidity, and exposure to chemicals, without succumbing to rust or corrosion. This makes it ideal for applications in industries like aerospace, marine, and chemical processing, where durability and longevity are crucial. Secondly, nickel-chromium-cobalt alloy steel round bars possess exceptional strength and toughness. They have a high tensile strength and can withstand heavy loads and impacts without deforming or breaking. This makes them suitable for applications that require structural integrity and resistance to deformation, such as in the construction industry or in manufacturing heavy machinery. Moreover, this alloy steel exhibits excellent heat resistance. It can withstand elevated temperatures without losing its mechanical properties, making it ideal for applications that involve high-temperature environments, such as in power generation, oil and gas exploration, or furnace components. Additionally, nickel-chromium-cobalt alloy steel round bars offer good wear resistance. They can withstand abrasive conditions, such as friction and wear, without experiencing significant deterioration. This makes them suitable for applications like tooling, machining, and wear components, where durability and resistance to wear are critical. Lastly, nickel-chromium-cobalt alloy steel round bars are highly versatile. They can be easily machined, welded, and formed into various shapes, making them adaptable to a wide range of applications. Their versatility allows for customization and flexibility in design and manufacturing processes. In conclusion, the advantages of using nickel-chromium-cobalt alloy steel round bars include excellent corrosion resistance, high strength and toughness, heat resistance, good wear resistance, and versatility. These qualities make them a preferred choice for various industries, where reliability, durability, and performance are essential.
- Q: Can steel round bars be used in the manufacturing of office furniture?
- Office furniture can indeed utilize steel round bars. Steel, being a versatile and enduring material, can be molded into various shapes, including round bars. These bars are useful as structural elements in office furniture, such as table legs, chair frames, and support beams. They provide the furniture with strength and steadiness, making them suitable for heavy usage in office settings. Furthermore, steel can be finished in diverse manners, such as powder coating or chrome plating, to enhance its appearance and match the office space's aesthetic. All in all, the utilization of steel round bars in the production of office furniture offers both durability and stability, while also providing a contemporary appearance.
- Q: How can steel round bars be protected against rust?
- Steel round bars can be protected against rust by applying a protective coating such as paint, galvanizing, or epoxy. Regular maintenance, including cleaning and applying rust inhibitors, is also crucial to prevent rust formation. Additionally, storing the bars in a dry environment and avoiding exposure to moisture can help minimize the risk of rusting.
- Q: How about the difference between round steel and shaped steel? Where are they mainly used?
- Section steel is a general term, round steel is a kind of section steel, mainly used in building structure, mostly for engineering steel.
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Carbon Structural Steel Square Bars SAE1018CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 120000 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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