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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About Us
- Q: What are the common sizes of steel round bars?
- The common sizes of steel round bars vary depending on the specific application and industry standards. However, some of the most common sizes range from 1/4 inch to 24 inches in diameter. These sizes are often available in increments of 1/8 inch or 1/4 inch. It is important to note that these sizes may differ based on the country or region as well. Additionally, steel round bars can also be available in metric sizes, which typically range from 6mm to 600mm in diameter. Overall, the selection of steel round bar sizes is extensive, allowing for a wide range of applications across various industries.
- Q: How many roots are there in a standard ton of steel and how many meters are there in a steel bar?
- See more big steel bar, there is theoretical weight. After all, rebar is threaded, and round steel is also used.
- Q: What are the different types of steel round bar heat treatments?
- Steel round bars can undergo several types of heat treatments, each aiming to enhance specific material properties. Common heat treatments include annealing, normalizing, quenching and tempering, and case hardening. 1. Annealing involves heating the steel round bar to a high temperature and gradually cooling it to room temperature. This process relieves internal stresses, improves machinability, and enhances ductility and toughness. 2. Normalizing, similar to annealing, requires heating the steel round bar to a specific temperature. However, instead of slow cooling, the bar is left to cool in air. Normalizing refines the grain structure, improves mechanical properties, and enhances machinability. 3. Quenching and tempering entails heating the steel round bar to a high temperature and rapidly cooling it using a quenching medium like oil or water. This rapid cooling achieves high hardness and strength. Subsequently, the steel is tempered by reheating it to a lower temperature, enhancing toughness and reducing brittleness. 4. Case hardening is employed to increase the surface hardness of the steel round bar while maintaining a tough core. This treatment involves heating the bar in the presence of carbon-rich substances like gas or liquid carburizing agents. It results in a hardened outer layer, known as the case, while the core remains relatively softer and more ductile. These examples demonstrate the various heat treatments applicable to steel round bars. The choice of heat treatment depends on the desired properties and applications of the steel. Consulting with metallurgical experts ensures the selection of the most appropriate treatment for each specific steel round bar.
- Q: Can steel round bars be used in the production of couplings?
- Yes, steel round bars can be used in the production of couplings. Steel round bars are commonly used in various industrial applications due to their strength, durability, and versatility. When it comes to producing couplings, steel round bars provide the necessary structural integrity and reliability required for such components. They can be machined, forged, or shaped to meet specific coupling designs and requirements. Furthermore, steel round bars offer excellent resistance to corrosion, which is crucial for ensuring the longevity and functionality of couplings in different environments. Overall, steel round bars are a suitable material choice for the production of couplings, providing the necessary strength and durability needed for efficient and reliable coupling operations.
- 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: What are the different specifications for steel round bars?
- There are several specifications that are used to describe steel round bars. These specifications include the diameter, length, tolerance, and grade of the steel used. The diameter of a steel round bar is a key specification, as it determines the size of the bar. Common diameters range from 1/4 inch to 12 inches, with various increments in between. The diameter is usually measured across the widest point of the bar. The length of a steel round bar refers to its overall size from end to end. Standard lengths range from 10 to 20 feet, although custom lengths can also be obtained. The length is an important factor to consider when determining the quantity needed for a specific project. Tolerance is another specification that describes the allowable deviation from the specified diameter or length. It ensures that the steel round bar meets the required dimensions and can be used effectively. Tolerance values are typically expressed in plus or minus values, such as +/- 0.005 inches. The grade of steel used in round bars is also specified, indicating the quality and strength of the material. Common grades include carbon steel, alloy steel, stainless steel, and tool steel. Each grade has its own unique properties and is suitable for different applications based on the desired strength, corrosion resistance, and machinability. In addition to these specifications, other factors such as surface finish and heat treatment may also be specified depending on the intended use of the steel round bars. These specifications ensure that the steel meets the necessary requirements for a particular application, whether it be in construction, manufacturing, or other industries.
- Q: What are the different finishes available for steel round bars?
- There are several different finishes available for steel round bars, each of which serves a specific purpose and provides distinct benefits. Some of the most common finishes include: 1. Hot Rolled: This finish is achieved by heating the steel above its recrystallization temperature and then rapidly cooling it. It results in a rough, scaly surface texture that provides excellent corrosion resistance and durability. 2. Cold Rolled: In this process, the steel is rolled at room temperature, resulting in a smooth and polished finish. Cold rolled steel round bars are known for their precise dimensions, tight tolerances, and improved surface finish. 3. Bright Drawn: This finish involves subjecting the steel round bars to a drawing process, where they are pulled through a die to achieve the desired shape and size. It leaves the surface smooth, bright, and free from any imperfections or defects. 4. Polished: Polishing is typically done after the steel round bars have been cold rolled or drawn. It involves using abrasive materials or chemical treatments to remove any surface imperfections and create a highly reflective finish. Polished steel round bars are often used in decorative applications. 5. Ground: Grinding is a process where the steel round bars are subjected to abrasive wheels to remove any surface imperfections or irregularities. It results in a smooth and even finish, making the bars suitable for applications where tight tolerances and uniformity are required. 6. Galvanized: Galvanizing is a coating process where the steel round bars are dipped in a bath of molten zinc. This creates a protective layer that prevents corrosion and increases the lifespan of the bars, making them suitable for outdoor applications or environments with high humidity or moisture. These different finishes offer a range of properties and appearances, allowing steel round bars to be used in various industries and applications such as construction, automotive, manufacturing, and engineering. It is important to consider the specific requirements and conditions of the intended use when selecting the appropriate finish for steel round bars.
- Q: What are the advantages of using chromium-molybdenum alloy steel round bars?
- Chromium-molybdenum alloy steel round bars offer numerous benefits: 1. Exceptional Strength: These bars possess outstanding strength characteristics, rendering them suitable for applications requiring durability and high levels of strength. Consequently, they excel in heavy machinery, construction equipment, and other demanding applications. 2. Resistance to Corrosion: The inclusion of chromium in the alloy steel composition enhances its resistance to corrosion. This quality makes chromium-molybdenum alloy steel round bars highly impervious to rust and other forms of corrosion. Consequently, they are ideal for use in harsh environments and outdoor applications. 3. Impressive Heat Resistance: Chromium-molybdenum alloy steel round bars exhibit excellent resistance to high temperatures without compromising their structural integrity. This trait makes them suitable for applications subjected to extreme heat, such as boilers, pressure vessels, and heat exchangers. 4. Superior Wear Resistance: The presence of molybdenum in the alloy steel composition provides exceptional wear resistance properties. As a result, chromium-molybdenum alloy steel round bars can withstand the effects of wear and abrasion, making them ideal for applications involving high levels of friction and wear, such as mining equipment, drilling tools, and automotive components. 5. Excellent Machinability: Chromium-molybdenum alloy steel round bars possess excellent machinability, allowing them to be easily shaped and formed into various configurations. This characteristic makes them suitable for applications that require complex shapes and designs, including automotive parts, machine components, and tooling. Overall, the benefits offered by chromium-molybdenum alloy steel round bars have made them a popular choice across various industries. Their high strength, corrosion resistance, heat resistance, wear resistance, and good machinability make them a reliable and versatile material for numerous demanding applications.
- Q: What are the different types of steel round bar alloys used in the aerospace industry?
- In the aerospace industry, various steel round bar alloys are commonly used to meet the specific demands of different applications. These alloys have been specifically designed to meet the rigorous requirements of the aerospace sector, including the need for high strength, corrosion resistance, and lightweight properties. 1. Stainless Steel: Among the alloys used in aerospace applications, stainless steel stands out as one of the most popular choices. It possesses excellent corrosion resistance, high strength, and good heat resistance. Aircraft components like landing gear, fasteners, and engine parts often employ this alloy. 2. Titanium Alloy: Due to its exceptional strength-to-weight ratio, titanium alloys find widespread use in the aerospace industry. They offer excellent corrosion resistance, good fatigue strength, and can withstand high temperatures. Aircraft frames, engine components, and landing gear often utilize titanium alloys. 3. Aluminum Alloy: Aerospace applications benefit from the lightweight nature and excellent mechanical properties of aluminum alloys. These alloys possess good corrosion resistance and are commonly used in aircraft structures, wings, and fuselage components. 4. Nickel Alloy: Known for their high strength and exceptional resistance to extreme temperatures, nickel alloys are frequently employed in aerospace applications. They are critical in environments requiring resistance to heat, wear, and corrosion, such as turbine engines and exhaust systems. 5. High-Strength Low-Alloy (HSLA) Steel: HSLA steels are renowned for their high strength and weldability. They offer good toughness and impact resistance, making them ideal for aerospace applications where durability and strength are essential, such as in landing gear and structural components. In summary, the aerospace industry employs a combination of these steel round bar alloys to cater to the specific requirements of different components and applications. Each alloy possesses unique properties that render it suitable for specific aerospace applications, ensuring the safety, reliability, and performance of aircraft in the demanding aerospace environment.
- Q: What are the advantages of using titanium-alloy steel round bars?
- There are several advantages of using titanium-alloy steel round bars: 1. High strength: Titanium-alloy steel round bars have exceptional strength-to-weight ratio, making them ideal for applications where strength is crucial. Their high tensile strength allows them to withstand heavy loads and resist deformation. 2. Corrosion resistance: Titanium-alloy steel round bars exhibit excellent corrosion resistance, even in highly corrosive environments. This property makes them suitable for marine, aerospace, and chemical industries, where exposure to saltwater or chemicals is common. 3. Lightweight: Compared to other metal alloys, titanium-alloy steel round bars are relatively lightweight. This characteristic makes them advantageous in applications where weight reduction is important, such as in aerospace and automotive industries, as it allows for better fuel efficiency and increased payload capacity. 4. High temperature resistance: Titanium-alloy steel round bars can withstand high temperatures without losing their structural integrity. This property makes them suitable for applications in high-temperature environments, such as in power generation and oil and gas industries. 5. Biocompatibility: Titanium is a biocompatible material, meaning it is well-tolerated by the human body and does not cause adverse reactions. This makes titanium-alloy steel round bars suitable for medical implants, such as orthopedic implants and dental fixtures, where biocompatibility is critical. 6. Excellent fatigue resistance: Titanium-alloy steel round bars have exceptional fatigue resistance, which means they can withstand repeated loading and unloading without experiencing fatigue failure. This property makes them suitable for applications that require long-term durability and reliability, such as in structural components and machinery. Overall, the advantages of using titanium-alloy steel round bars lie in their high strength, corrosion resistance, lightweight nature, high temperature resistance, biocompatibility, and excellent fatigue resistance. These properties make them a versatile choice for various industries, ranging from aerospace and automotive to medical and petrochemical sectors.
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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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