Carbon Structural Steel Square Bars SAE1020CR
- 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 SAE1020CR
Product Specification
1, Chemical Composition %
| Grade | C | Si | Mn | S | P | Cr | Ni | Cu |
| SAE1020CR | 0.17-0.24 | 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 (no heat treatment) |
| ≥410(42) Mpa | ≥245(25) Mpa | ≥25 % | ≥55 % | ≤156HB |
Application
1, can be used to produce various types of rivet, bolts and welding structural parts.
2, can be used to produce seamless pipes, mold, steel plate, U-steel and joist steel
Product Main Points
1, high quality with competitive price
2, certifictes are available
3, heat treatment specification: tempering, 910 ℃, air cooling
4, heat treat ment: normalizing, annealing, tempering, quenching
5, surface treatment: black, polished, galvanized
6, 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 different types of steel round bar alloys for improved strength?
- Various steel round bar alloys are known for their enhanced strength. These alloys are developed by adding different elements to the steel composition, resulting in varying properties and strengths. Carbon steel is a commonly used alloy for increased strength. It contains a higher carbon content, which enhances its strength and hardness. Carbon steel round bars are widely utilized in applications that require high strength, such as construction, automotive, and machinery. Stainless steel is another alloy known for its corrosion resistance and high strength. Stainless steel round bars are frequently employed in environments where corrosion is a concern, such as marine applications, food processing, and chemical plants. Alloy steel is a different category that offers improved strength. It is created by incorporating elements like chromium, molybdenum, and nickel into the composition. Alloy steel round bars are commonly used in industries that necessitate high strength and durability, such as aerospace, oil and gas, and power generation. Tool steel is an additional alloy that provides enhanced strength and toughness. Tool steel round bars are specifically designed for machining and cutting applications, where high wear resistance and hardness are crucial. Lastly, there are specialty alloys such as nickel alloy and titanium alloy round bars, which offer exceptional strength and unique properties for specific applications. Nickel alloy round bars are often utilized in industries such as aerospace, chemical, and nuclear, while titanium alloy round bars are commonly found in aerospace, medical, and automotive industries. In conclusion, carbon steel, stainless steel, alloy steel, tool steel, and specialty alloys are the different types of steel round bar alloys that provide improved strength. Each of these alloys possesses its own unique properties and applications, offering a wide range of options for industries that require high strength materials.
- Q: What is the difference between hot rolled and cold drawn steel round bars?
- Hot rolled steel round bars are made by heating a billet or ingot of steel to a high temperature and then rolling it into the desired shape. This process results in a rougher surface finish and less precise dimensions compared to cold drawn steel round bars. Cold drawn steel round bars, on the other hand, are made by pulling a hot rolled bar through a die to achieve the desired shape and size. This process produces a smoother surface finish and more accurate dimensions. Overall, the main difference between hot rolled and cold drawn steel round bars lies in the manufacturing process and the resulting surface finish and dimensional accuracy.
- Q: What are the advantages of using wear-resistant steel round bars?
- Wear-resistant steel round bars offer numerous benefits: 1. Enhanced durability: These round bars are specifically designed to withstand high levels of abrasion and wear. They have a high hardness level, which makes them resistant to surface damage caused by friction, impact, or scraping. As a result, their lifespan is extended, reducing the need for frequent replacements. 2. Increased strength: Wear-resistant steel round bars possess exceptional strength properties, allowing them to withstand heavy loads and extreme conditions. This makes them suitable for various applications in industries like mining, construction, manufacturing, and transportation, where strength and resilience are crucial. 3. Improved safety: By using wear-resistant steel round bars, a safer working environment is ensured. Their high resistance to wear minimizes the risk of accidents and injuries caused by equipment failures or structural damage. This is particularly important in industries involving heavy machinery, tools, or structures. 4. Cost-effectiveness: Although wear-resistant steel round bars may have a higher initial cost compared to regular steel bars, their extended lifespan and reduced maintenance requirements make them a cost-effective choice in the long run. The reduced need for replacements and repairs leads to lower downtime, increased productivity, and ultimately, decreased operational costs. 5. Versatility: Wear-resistant steel round bars can be used in a variety of applications due to their versatility. They can be easily machined, welded, or formed into different shapes and sizes to meet specific requirements. This flexibility allows for their use in various industries and applications, making them an ideal choice for many projects. To sum up, the advantages of using wear-resistant steel round bars include enhanced durability, increased strength, improved safety, cost-effectiveness, and versatility. These properties make them a reliable and efficient option for applications where wear and tear are significant concerns.
- Q: Can steel round bars be used in the manufacturing of jewelry?
- Yes, steel round bars can be used in the manufacturing of jewelry. While steel is not as commonly used as precious metals like gold or silver in jewelry making, it can still be utilized to create unique and industrial-inspired pieces. Steel round bars offer a sleek and modern aesthetic, making them suitable for contemporary or minimalistic designs. Additionally, steel is known for its durability and strength, ensuring that the jewelry will withstand everyday wear and tear. However, it is important to note that steel may not be suitable for individuals with metal allergies or sensitive skin.
- 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: What are the advantages of using cobalt-alloy steel round bars?
- Using cobalt-alloy steel round bars in various industries and applications offers several advantages. Firstly, this type of steel is exceptionally strong and hard, providing resistance against wear, corrosion, and high temperatures. This makes it suitable for demanding environments where other materials would quickly degrade. Secondly, cobalt-alloy steel maintains its shape and size even under extreme conditions, demonstrating excellent dimensional stability. This makes it ideal for applications that require precise tolerances and minimal deformation, such as in the aerospace and automotive industries. Moreover, cobalt-alloy steel retains its mechanical properties at elevated temperatures, showcasing excellent heat resistance. This makes it valuable in applications involving high-speed machining, cutting tools, and turbine components. Additionally, cobalt-alloy steel round bars are easily machined and fabricated, offering versatility and customization in various applications. Their high machinability and weldability make them suitable for use in manufacturing processes like forging, casting, and machining. Furthermore, cobalt-alloy steel round bars exhibit excellent fatigue resistance, ensuring long-lasting performance and durability. This makes them suitable for applications involving repetitive stress or cyclic loading, such as shafts, springs, and fasteners. Lastly, cobalt-alloy steel is biocompatible, making it suitable for medical and dental applications. Its corrosion resistance and biocompatibility properties make it commonly used in orthopedic implants, surgical tools, and dental instruments. In conclusion, the advantages of using cobalt-alloy steel round bars include exceptional strength, hardness, and dimensional stability, as well as heat resistance, machinability, fatigue resistance, and biocompatibility. These qualities make them valuable across a wide range of industries and applications, offering reliability, durability, and performance.
- Q: Are steel round bars suitable for architectural applications?
- Architectural applications can indeed make use of steel round bars. Steel, being a versatile and durable material, is commonly employed in construction and architectural projects. The utilization of steel round bars for architectural purposes offers numerous advantages. Primarily, steel round bars are renowned for their robustness and load-bearing capacity. They possess excellent tensile strength and can withstand heavy loads, making them suitable for applications where structural integrity is paramount. Whether employed as support beams, columns, or other structural elements, steel round bars offer a dependable and long-lasting solution. Furthermore, steel round bars exhibit high resistance to corrosion and fire, which is crucial for architectural applications. They can endure harsh weather conditions, including extreme temperatures, without compromising their structural integrity. This resistance to corrosion and fire renders steel round bars a secure and reliable choice for architectural projects. Moreover, steel round bars can be conveniently fabricated and customized to meet specific design requirements. They can be cut, welded, bent, and shaped into various forms, enabling architects and designers to create unique and innovative structures. The versatility of steel round bars makes them suitable for a wide range of architectural applications, such as bridges, stadiums, and high-rise buildings. Additionally, steel round bars are cost-effective in comparison to certain other building materials. They possess a longer lifespan and require minimal maintenance, thereby reducing the overall lifecycle costs of a project. The combination of cost-effectiveness, durability, and versatility contributes to the popularity of steel round bars in architectural applications. In conclusion, steel round bars are indeed appropriate for architectural applications. Their strength, resistance to corrosion and fire, ease of fabrication, and cost-effectiveness make them an ideal choice for a diverse array of architectural projects. Whether employed for structural elements or decorative purposes, steel round bars offer a reliable and aesthetically pleasing solution for architects and designers.
- Q: What is the difference between a turned and a ground steel round bar?
- Two distinct types of steel bars, a turned steel round bar and a ground steel round bar, have undergone different manufacturing procedures. To create a turned steel round bar, a cylindrical steel rod is rotated against a cutting tool, which eliminates material from the bar's surface to achieve the desired dimensions and finish. This process enhances the bar's dimensional accuracy and smoothness. Turned steel round bars find common usage in precision machining or automotive components that necessitate tight tolerances and a smooth surface finish. Conversely, a ground steel round bar is manufactured by passing a turned steel round bar through a grinding machine. This machine uses an abrasive wheel to eliminate any surface imperfections or irregularities from the bar. The grinding process ensures that the bar maintains a consistent diameter and a smooth, polished surface. Ground steel round bars often find application in aerospace components or hydraulic cylinders that demand a high level of precision and surface finish. In conclusion, the primary distinction between a turned and a ground steel round bar lies in the manufacturing processes they undergo. While turned bars are created by cutting material from the surface, ground bars are refined by grinding to achieve superior dimensional accuracy and surface smoothness. The selection between turned and ground steel round bars is contingent upon the specific requirements of the application and the desired level of precision and surface finish.
- Q: How do you calculate the fatigue strength of a steel round bar?
- Various methods can be employed to calculate the fatigue strength of a steel round bar. For instance, the stress-life (S-N) curve approach or the strain-life (ε-N) curve approach can be utilized. The stress-life (S-N) curve approach entails plotting the stress amplitude (S) against the number of cycles to failure (N) on a log-log scale. By subjecting multiple specimens of the steel round bar to different stress levels and measuring the number of cycles to failure for each stress level, the S-N curve can be obtained. The fatigue strength of the steel round bar can then be determined by identifying the stress level at which the desired number of cycles to failure is achieved, commonly known as the endurance limit. On the other hand, the strain-life (ε-N) curve approach involves plotting the strain amplitude (ε) against the number of cycles to failure (N) on a log-log scale. Similar to the S-N curve approach, multiple specimens of the steel round bar are subjected to different strain levels, and the number of cycles to failure is recorded. By utilizing the strain-life curve, the fatigue strength can be determined by identifying the strain level corresponding to the desired number of cycles to failure. It should be emphasized that calculating the fatigue strength of a steel round bar necessitates conducting fatigue tests on representative specimens under controlled conditions. These tests involve subjecting the specimens to cyclic loading, typically in the form of tension-compression cycles, and recording the number of cycles to failure. The data obtained from these tests is then utilized to construct the S-N curve or the ε-N curve, which offers valuable insights into the fatigue behavior and strength of the steel round bar.
- Q: Can steel round bars be used in the manufacturing of garden tools?
- Yes, steel round bars can be used in the manufacturing of garden tools. Steel is a durable and robust material that offers strength and resistance, making it suitable for various garden tools such as shovels, rakes, hoes, and spades. The round bars can be shaped and formed to create the desired tool design and functionality, ensuring durability and longevity in outdoor conditions.
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Carbon Structural Steel Square Bars SAE1020CR
- 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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